US536616A - Automatic circular knitting machine - Google Patents

Automatic circular knitting machine Download PDF

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US536616A
US536616A US536616DA US536616A US 536616 A US536616 A US 536616A US 536616D A US536616D A US 536616DA US 536616 A US536616 A US 536616A
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needles
drum
holders
needle
knitting machine
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    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B11/00Straight-bar knitting machines with fixed needles

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  • My invention relates to knitting machines; and more particularly to so-called circular knitting machines adapted forthe manufacture of hosiery, underwear and the like and of the general type of the Letters Patent of the United States No. 502,292, granted to me under date of August 1, 1893.
  • the principal objects of my present invention are, first, to provide a comparatively simple, efficient and inexpensive knitting machine; second, to provide a circular knitting,
  • eleventh to provide a knitting machine with gear-mechanism actuated by clutches from the main driving shaft for reciprocating the sinker-gear and controlling the movement of the sinker-bars during the widening and narrowing of a web being fabricated;
  • twelfth to provide a knitting machine with two groups of needles, whereof one group is provided with spring arms having rear bits and whereof the.
  • Myinvention comprises a knitting machine provided with two groups of needles, whereof one group is fixed as to its holder, and whereof the other group has fashioning needles detachably connected to its holder and provided with spring arms having bent ends forming bits, and reciprocating segmental needle-holders alternately movable from the main driving shaft by means of eccentrics for respectively actuating said group of needles.
  • My invention further comprises a knitting machine provided with needles, holders reciprocated in the direction of the lengths of the needles for elevating and depressing the groups thereof, an oscillating ring provided with teeth for closing the beards of each group of needles as they descend and with spaces for accommodating the beards of each group of needles as they ascend, movable webholders and a divided spring actuated ring provided with recesses engaging oppositely disposed cams, noses or projections of said beard closing-ring, for operating said movable web-holders.
  • My invention further comprises a knitting machine provided with two groups of needles, whereof one group is fixed as to its holder and whereof the other group has fashioning needles detachably connected to its holder, reciprocating segmental needle holders provided with recessed or grooved seats and one of said holders having a tapering internal surface, eccentrics for reciprocating the holders of the said two groups of needles, and strippers for liberating the fashioning needles from the recessed or grooved seat of their holder to permit of the narrowing and then of the widening of the fabric.
  • My invention further comprises a knitting machine provided with miter-gears, whereof one has pins adapted alternately to engage clutch members, one of which is connected by means of a sleeve and pinion with a sector-gear, which latter is connected with the crank-arm of a cross-shaft, the latter carrying a gear meshing with a gear upon the main driving-shaft, and whereof the other clutch member is connected with said shaft, and said clutch members respectively adapted to impart rotary and to and fro motions to the gearof a sinker-bed through the intervention of the gear of a vertical shaft engaging said sinkergear.
  • My invention further comprises a knitting machine provided with two groups of needles, whereof one group is provided with spring catches adapted to engage a recessed and tapering surfaced reciprocating holder and oscillating strippers or carriages arranged so that by contact of the same with the spring catches of said needles, said holder is permitted to rise free thereof, during fashioning of the article being fabricated.
  • My invention further comprises a knitting machine provided with web-holders movable in a vertical direction by means of a divided spring actuated ring having recesses or grooves adapted to engage with cams or noses of an oscillating beard closing ring reversely arranged with respect to each other.
  • My invention further comprises a knitting machine provided with a drum having an annular grooved cam for the reception of a roll connected with a fulcrumed lever, which latter is in pivotal connection with a horizontal rod, actuating clutches connected with the main driving shaft of the machine, and an arm for preventing rotation through friction of an eccentric of said main driving shaft actuating the group of needles fixed as to their segmental'needle holder or carrier.
  • My invention further comprises a knitting machine provided with spring pressed pawls and fixed pawls connected with each part of a centrally divided drum having angular and annular grooved cams and mechanism adapted to operate the same so as to permit of the throwing simultaneously out of and then into action of certain fashioning needles of a group of needles during fabrication of the toe portion of a stocking.
  • My invention further comprises a knitting machine provided with spring pressed pawls and fixed pawls connected with each part of a weighted and centrally divided drum and arranged to permit of a shifting of one part of the drum a certain distance for throwing out of and into action simultaneously a certain number of the fashioning needles, and said drum having ratchets with which engage pawls adapted to shift said drum forward step-by-step to throw successively out of and into action the fashioning needles while knitting the heel and toe portions of the stocking, and the drum being constructed to control a clutch-shifting mechanism to change rotary motion of the sinker-cam and thread-carrier into to and fro movement during fabrication of the heel and toe portions of the stocking; and myinventionfurthercomprisesaknitting machine constructed, arranged and adapted for operation in substantially the manner hereinafter fully described and claimed.
  • Figure 1 is a front view of a knitting ma chine embodying features of my invention with the parts and mechanisms thereof shown in such positions respectively as to fabricate round or tubular work and by the shifting of the clutch mechanism of the machine to effect fashioning of the article being fabricated;
  • Figure 2 is a side view taken from the right hand side of Fig. 1, showing means for operating the sectional, divided or two-part drum, the belt and clutch-shifting devices and mechanism and the means for effecting a reciprocating movement of the machine for fashioning an article being fabricated.
  • Fig. 1 is a front view of a knitting ma chine embodying features of my invention with the parts and mechanisms thereof shown in such positions respectively as to fabricate round or tubular work and by the shifting of the clutch mechanism of the machine to effect fashioning of the article being fabricated
  • Fig. 2 is a side view taken from the right hand side of Fig. 1, showing means for operating the sectional, divided or two-part drum, the belt and clutch-shifting devices and mechanism and the means for effecting a reciprocating
  • Fig. 3 is a top or plan view, showing the disposition of the pawls for operating the sectional, divided or two-part drum, the belt shifter and devices for operating the sinker-bars of the machine.
  • Fig 4 is a central longitudinal section on the line w-w, of Fig. 3, showing the needle-cylinder, segmental reciprocating needle-hold ers and the operating mechanism for the sinker-gear and the sectional or two-part counter-weighted drum and sprocket and ratchet-wheels.
  • Fig. 5 is a central longitudinal section on an enlarged scale from the upper left hand portion of Fig. 4, showing in detail the oscillating needlebeard closing ring and its complemental spring actuated divided ring in engagement with movable web-holders.
  • FIG. 6 is a perspective view of the parts illustrated in Figs. 4 and 5, and also showing the movable web-holders, the leaf spring connected with the sinker-bed support and the flanged oscillating beard closing ring.
  • Fig. 7 is a top or plan view on the lixe 00-00, of Fig. 4, showing the needle holders and strippers or carriages for releasing and returning the fashioning needles to their initial positions.
  • Fig. 8 is a section on the line yy, of Fig. 7.
  • Fig. 9, is a perspective view, showing the device for preventing rotation through friction of the eccentric actuating the needle holder carrying the group of needles fixed as to their said holder.
  • Fig. 10 is a View partly in section and partly in elevation of the two-part engagement with a rod held in pivotal connection with a belt shifting lever adapted to stop the machine by the shifting of a belt from a fast to a loose pulley.
  • Fig. 11 is an enlarged sectional view of means for imparting a reciprocating motion to thesinker-gear.
  • Fig. 12 is a view on the line 2-2, of Fig. 11; and
  • Fig. 13 is a diagrammatic View, showing developed in longitudinal plan, the construction and arrangement of the two-part grooved drum, showing also the cams adapted to actuate the clutch shifting lever and the rod for operating the clutches of the main driving shaft of the machine.
  • FIG. 1 are the end standards formed integral with the longitudinal base piece or frame A and carrying a separate and divided bed-plate a and a.
  • This bed-plate a has an annular flaring recess or aperture a for the reception of.
  • a needle-cylinder B which is rigidly secured thereto and an annular recess a for the reception of the need-lestrippers or carriages D and D.
  • the needle-strippers or carriages D and D comprise segmental top-plates d and d, se-
  • bed-plates d and 61 are provided with toothed peripheriesd and al which mesh with longitudinal rack-bars d and d afforded a range of to and fro movement along the bed plate a, and provided with channels or V-shaped grooves d and (Z which are adapted for the reception of longitudinally feathcred-brackets c1 and d, detachably secured to the bed-plate of the machine.
  • the bedplates d and d are provided with pins or bolts (Z and (NZ-which engage segmental slots d and 01 provided in the bed-plate a, of the machine.
  • the segmental slots afford the strippers or carriages D and D, a range of reciprocating movement in the'aotuation of the rackbars d and d engaging therewith and the stud-pins or bolts 01 and d prevent vertical displacement of the bed-plates d and d in the oscillating movement of the strippers or carriages D and D.
  • the bed-plate a, of the machine has an aperture or, adapted for the reception of a drum H, consisting of two parts H and H so arranged in position above one another that spaces H and H, are formed between opposite edges of the two parts of the same in ex- .tent corresponding to a tooth of the teeth of the two parts 71 and h of the flanged ratchet formed integral with or secured to the rear having radial spokes or arms 71. and 71. formed integral therewith and connected with the inner surface of the drum, and with inversely disposed radial counter-weighted arms h and IL7, formed integral with the hubs 71 and 71.3, and serving to hold each part of the drum in the required position.
  • the weights of the arms h and 71. are attached thereto by means of set-screws, not shown.
  • the shaft 7L8 is a distance piece keyed to the shaft h between the hubs 7L and 71 of the drum H.
  • the shaft 7L8 has a threaded extremity h, which is screwed into the threaded aperture of a bracket a formed integral with the bedplate a, of the machine.
  • the opposite eX- tremity of the shaft h is threaded at 72 and has an end journal 72. engaging asmooth surfaced aperture a, in the end of the bed'plate a, of the machine.
  • On the shaft 71.8 is mounted the sprocket-wheel It, provided with a double flanged or recessed hub h, which is secured by means of screws 71 to one face of the ratchetwheel h.
  • the ratchet-wheel -h which is actuated by a pawl it, connected with a cross-lever K, rotates the sprocketwheel it, maintained in contact with a distance piece it mounted on the shaft h and abutting against the hub 71. of the drum II. h, is a metal washer and h, is a bearing plate engaged by a jam-nut 71 applied to the threaded portion h, of the shaft 7L8.
  • the drum H is adapted to be rotated on the shaft 71*, independently of the movement of the ratchet and sprocket wheels h and 7t, step by step by means of the pawls 7i and it, during the fabrication of the heel and toe portions of the stocking or by means of the pivotal pawls k and 7.2 and rigid pawls 7.1 and k of the ratchet-wheels 72, and h a predetermined distance at the beginning of the formation of the heel and toe portions of the stocking.
  • the two parts H and 1-1, of the drum H are provided with detachable jackets H and H, which embrace each of the parts of the drum and so as to form spaces I1 and H which correspond in extent to the spaces H and 1-1 of the drum H.
  • These jackets H and H are respectively provided with channels or grooves extending from the edge of each half thereof at one end and meeting at the other end in such manner as to constitute angular cams 71 and 72 which are adapted to permit of the actuation of the strippers D and D, by the rotation of the drum in a manner to be hereinafter fully explained.
  • the two parts of the jacket are provided with a recess or groove 71., which latter is curved near the end of each half of the jacket, and forms in connection with the two parts h and 71 of the ratchet wheel of the drum, cams 71. as illustrated in Figs. 3 and 13.
  • These cams W of the two-part jacket serve to permit of the actuation of a clutch shifting rod N, to afford a change of the rotary movement of the sinker-cam b", to a to and fro movement for purposes to be presently .such case the two-part jacket may be dispensed with.
  • the needle cylinder 13, is provided with axial grooves, channels or slots b, in which the needles I) and b, are located and afiorded a range of vertical movement.
  • the fashioning needles 6, are provided at the lower parts thereof with springs b and bits 1), adapted to engage a groove or recess formed in the holder or carrier 0', therefor.
  • the needles b, fixed as to their carrier 0, are provided at the lower parts with bits b, which engage with a groove or recess 0 provided in the needle holder or carrier 0, therefor.
  • the needles I), are permanently secured to the holder or carrier 0, while the needles I), are detachably connected with the holder or carrier O.
  • c and c are segmental plates detachably connected with the holders or carriers 0 and C, by means of screws 0 and 0 for permitting of the removal and replacement of broken or worn needles by others.
  • the plates 0' in conjunction with the segmental groove of the holder 0, forms a seat 0 for the bits I), of the fashioning needles I).
  • the holder 0, beneath the seat 0 is provided with a slanting or tapering surface 0 This surface 0 serves to press the bits I), inwardly, when the needles Z), are detached from the holder 0, and released by the strippers D and D, and thus to allow the needles b',to return to their normal position with the bits thereof in engagement with the seat 0 for purposes to be hereinafter more fully explained.
  • the strippers or carriages D and D, located below the holder 0, are adapted to bear against the springs b of the fashioning needles I), to cause the release of the bits 19 from the grooved seat 0 of the holder or carrier 0', when the strippers are shifted toward the carrier 0, in Fig. 7, so that the fashioning needles may be thrown out of action for a purpose to be hereinafter fully explained.
  • c and c are vertical posts journaled to the respective needle holders or carriers 0 and O, and extending downward through the bedplate a, of the machine and through housings or guides 0 and a, suitably secured to the under side of the bed-plate at.
  • needle operating carrier posts 0 and o are pivotally connected at e and 0 to rods 0 and 0 suitably applied to straps upon eccentrics 0 and 0", respectively clutched to and mounted on the main driving shaft F, as clearly illustrated in Figs. land 2.
  • This ring b is composed of twoparts, each of which is provided with a projection at the end thereof, not shown, for the reception of a screw for holding said parts together.
  • This ring 6 forms a support for the sinkerbed 19 which is rigidly connected to the needle cylinder B, by means of screws 1), in-
  • the sinker-bed b is connected with the upper ends of the ribs or projections b forming grooves b adapted for the reception of the beards of the needles, as
  • the sinker-bed b care bars 19 is provided at the upper extremity W with a lip or lug b engaging an annular groove Z1 formed in the sinker-gear If.
  • This I groove Z7 has a curvilinear cam or inverted V-shaped extension 11 which is adapted to shift the sinker bars first backward and then forward, while the guide b, as illustrated in Fig. 3, is presenting the thread or yarn to the stems of the respective groups of needles b and b.
  • g is a flanged ring movably connected with the sinker-bed b", as fully illustrated in Figs. 4,5, 6 and 8.
  • This ring is provided upon its inner edge with two sets of teeth 9' and g whereof one set 9 pertains to'the beards of the needles I), operated by the holderor carrier C, and the other set to the needles I).
  • the tooth 9 between the two sets of teeth at one side is made wider thanthe other teeth, as shown in Fig. 6, and at the opposite side of the ring there is a corresponding wide 'space 9 between the two series of teeth, in
  • the needles especially those illustrated in Figs. 1, 2, 4 and 8, are in aposition for knitting a tubular or round fabric.
  • the fashioning needles Z are stripped from their holder or carrier 0, by means of the strippers or carriages D and D, which cause the springs b of said needlesto be pressed inward in order to release the bits b, from the recessed seat 0 of the needle holder or carrier C, so that when this holder or carrier is next moved in a vertical direction, the fashioning needles of the group b, remain down throughout the action of the strippers or carriages D and D, which are shifted forward toward the right in Fig. 7, in order to allow the holder or carrier 0', to rise independently, so as to drop or release one stitch at a time, whilethe heel and toe portionsof the article are being fabricated.
  • the needles I), are'then successively returned to their initial positions, in the needle holder or carrier 0', as the bits b which were pressed toward the needle cylinder 13, by the strippers D and D, are returned into contact with the slanting surface 0 of, the holder 0, and so as to force the bits toward the stems of the needles until they are in a position to spring into the annular recessed or grooved seat 0 of the needle holder or carrier 0, in a position for further action. It will be observed that by successive movements of the strippers D and D, all the fashioning needles I), are again thrown into action and the heel by that time has been fashioned.
  • the flanged oscillating beard closing ring. 9, is operated by an arm g which is secured thereto and extends through a slot Z2 in the side of-the sinker-bed b
  • This arm g is actuated by a pivotal lever 9 provided with a' forked extremity engaging the cam 9 of a clutch device n mounted on the main driving shaft F, of the machine.
  • the range of to and fro movement of the arm 9 and of the beard closing ring g is limited by means of the side pins g and g, projecting from the under of the sinker-bed 19
  • This mechanism actuates the beard closing ring g, the distance of a needle to efiect the closing of each heard of the needles of the group and the raising and lowering of the web-holders E and E, in succession for engaging and disengaging the meshes or stitchesof the article being fabricated by the needles raised and lowered through the intervention of the eccentrics c and a".
  • the oscillations of the ring g, by means of the cam of the clutch device "n are timed with respect to the movement of the needle holders or carriers 0 and O.
  • the beards of the rising needles I), working in the spaces of the corresponding teeth 9 of the ring g, are permitted to open in order to allow the yarn to be laid beneath the same and when the needles b, are descending, their beards collide with the corresponding teeth 9 in order that they may be closed thereby.
  • Correspondinglythe beards of theneedles 1), working in the spaces of the teeth g, of the ring 9, are permitted to open, in order to allow the yarn to be laid beneath the same and when these needles b, are descending their beards collide with the teeth 9, so as to close the same.
  • g and g' are noses, cams or projections de pending from the ring g, and adapted to engage corresponding recesses or grooves z" and d of a spring controlled divided ring I and I.
  • These noses, cams or projections g and g of the flanged oscillating ring g are so arranged that when the ring is moved to the right, as illustrated in Fig.
  • the fashioning needle side I of the divided movable ring is pressed downward against the force of one or more of the reversely disposed leaf springs b, detachably connected with the sinker-bed b to cause the web-holders E, on the same side to release the stitches of the web being fabricated, while the same movement of the ring y, will cause the web-holders E, on the opposite or fixed needle side of the machine, by the force ofthe springs 19 connected with the sinker-bed b, in the movement of the part I of the divided ring to retain the stitches of the web being fabricated.
  • the oscillating ring g is next moved to the left, and the fashioning needle side I of the divided ring is released, in order to allow the same to rise by the force of the leaf springs b and the fixed needle side I of the divided ring is simultaneously forced against the action of the leaf springs 19 and thereby caused to move in a downward direction to release the corresponding stitches of the web being fabricated, and at the same time securing the stitches on the fashioning side of the machine.
  • This divided ring I and l is provided with'pins or studs 2' and 2' having a range of movement in vertical slots b suitably provided in the sinker-bed b and adapted to prevent accidental rotation of the divided ring I and I, by friction, as clearly shown in Fig. 5.
  • the projecting shanks e and e, of the webholdersE and E, are guided in radial grooves or slots 12, formed in the upper end of the needle cylinder B, as clearly illustrated in Figs. 4, 5, 6 and 8.
  • Each of these radial grooves or slots 1) is located between each needle and the next.
  • Each of the web-holders has also a movable hearing or seat '5 in the inner surface of the divided ring I and I.
  • the webholders E and E are permitted to hold and then release the respective meshes or stitches from the curved fingers c of said holders, as clearly shown in Figs. 4, 5, 6 and 8.
  • the sinker-gear b In fabricating a circular web or tube, the sinker-gear b", with the sinker-cam b, is revolved in one direction and the oscillating beard closing ring g, through the intervention of the pivotal rod g and cam 9 of the clutch device n is operated to alternately actuate the web-holdersE and E.
  • Fig. 1 in Fig. 1, is a thread or yarn controlling device provided with a platform 0, having a projection or lug 0 secured thereto.
  • 0 is a guide pivoted to the lug 0 and provided with an eye 0 for the reception of the thread or yarn.
  • 0 is a spring guide fingerhaving an eye 0", through which the thread or yarn is conducted from the eye 0 of the pivotal guide 0 in a 0', which is pivotally connected with a vertical lever 0 carrying a roller 0 adapted to engage in the annular grooved cam 77. of the two-part or centrally divided drum H.
  • the vertical lever 0 is pivotally connected at a with the horizontal clutch-rod N, suitably journaled to the frame of the machine.
  • the sinker-gear b When fabricating a circular web or tube, the sinker-gear b", with the sinker-cam b, is revolved in one direction.
  • the sinker-bar 1) corresponding to a fashioning needle, being thrown outward from the center of the needle cylinder B, during the application of the thread or yarn, is subsequently drawn forward toward the center of the cylinder to engage the yarn or thread and to push a loop or bight of the same inward past the needle.
  • the projection b, on the end of the sinker-bar I9 holds the bight or loop in such ,posi tion, against upward displacement, while the thread is being laid on the rest of the fashioning needles, that are actuated by the holder or carrier 0'.
  • the thread guide I) approaches the center needle of the constantly rising holderor carrier C, the thread is inserted beneath the beards of the needles and the sinker-bars Z9 appertaining to these needles are'projected forward toward the center of the needle cylinder B, one after another. As soon as the thread has been laid onto the needles of the group,to which they pertain, the needles I), are permitted simultaneously to descend. After the thread or yarn guide I), passes the center or thereabout of. the holder or carrier 0', and while it is approaching the opposite extremity thereof, the holder or carrier C, will begin to descend.
  • the thread is laid onto the remaining needles and loops or bights of the threads, are pushed inward toward the center of the needle-cylinder B, and held in such position by the projections b, of the sinker-bars b, it being understood that these sinker-bars Z2 are for this purpose operated successively in the manner hereinbefore explained.
  • the thread or yarn carrier b", and sinker-bars 5 then lay the thread or yarn onto the needles 1), operated by the holder or carrier 0, in precisely the manner hereinabove explained, with reference to the fashioning needles b, of theholder or carrier 0.
  • the fiat web maybe narrowed by shifting the needle strippersDand D, toward the needle holder or carrier rod 0 as previously described, so that when the holder or carrier 0, descends, the springs 11 of the needles I), are pressed against the inner edges of the strippers D and D, the bits b being thereby forced toward the stems of the needles and out of engagement with the annular grooved seat 0 of the holder or carrier 0'.
  • the flat web may be widened by throwing into action in the fabrication of the article, the needles I), one after another, by reversing the movement of the strippers D and D, and returning the same to'their normal position, as illustrated in Fig. 7.
  • the eccentric 0 has secured theretoa pin 0, which projects at aright angle to the face thereof and serves to engage with a projecting arm a, connected with the clutch shifting rod N.
  • This arm 0 when in engagement with the pin a, is adapted to prevent'accidental rotation of the fixed needle holder eccentric c during the reciprocating move ment of the mechanism of the machine, for efiecting the fashioning of the heel and toe portions of the stocking being fabricated, as illustrated in Fig. 9.
  • the pawls k and 7c are attached to a pivotally supported cross-arm K, as illustrated in Figs. 1, 2, 8 and 10.
  • the lever-pawl is, located at the extreme end of the pivotal cross-arm K, has a greater range of movement than the lever-pawl which is located near the pivoted end of the crossarm K.
  • Each of the lever-pawls k and 7c actuates one of the sections or parts of the drum the space of a tooth on each side alternately in the revolution thereof.
  • drum H in the fabricating of a tubular web will not be shifted forward, because at such time the pawls 7c and I will enter the toothless spaces between the two ratchets h and 71 of the drum H, as illustrated in Fig. 10, which correspond to the parts of the drum; it being understood that said spaces l-Itand 11 ,136-
  • the lever-pawl 7c In the downward movement of the crossarm K, the lever-pawl 7c, is brought into a position for further action.
  • the lever-pawl 75' By the same movement of the cross-arm K, the lever-pawl 75', near the pivoted end of the cross-arm K, and on the opposite side of the drum, engages with the teeth of the ratchet 72 by means of a spring k attached to the bed-plate a, and normally engaging therewith, to effect a movement of the upper part H of the drum H, the space of onetooth, without causing a similar movement of the other part H of the drum.
  • the clutch device a is thrown out of engagement with the gear m, while the clutch device n is thrown into engagement with the gear m, which engages a complemental gear m, mounted on a vertical shaft m extending through the bed plate a, of the machine, and carrying a gear-wheel m provided with a handle m.
  • This gear-wheel m meshes with the sinker-gear b and is operated by means of the handle m so as to cause,in the event of the breaking of a thread, by the turning of the sinker gear around the part If, of the groove b, of said gear to shift the sinker-bars 12 so as to permit of the tying of the ends of the threads in order that the knitting operation may he proceeded with.
  • This gear-wheel p is connected by for the reception of pins m and m
  • These pins permit the miter-gear 'm, to be connected with one or the other of the clutch members n or 91 by the actuation of the clutch-rod N, through the intervention of the lever 0 in on der to change the rotary movement of tho sinker-gear b into a reciprocating movement, as hereinafter more fully explained.
  • the pinion p is loosely mounted on the main driving shaft F and has a sleeve 12 provided with a horizontal slot 19*, adapted to engage a pin 19 of the clutch device of, whereby through the shifting of said clutch device n to the left by means of the clutch'rod N, the movement of the sinker-gear b, is changed, as above mentioned.
  • the sprocket or pattern chain 'r engages the sprocket-wheel h, o n the shaft h
  • This sprocket-wl1eel h is rigidly secured to the ratchet-wheel h, in the manner hereinbefore fully explained.
  • the ratchet-wheel h is engaged by the pawl which is pivotally attached in front of the cross-arm K, opposite the pawl k, as illustrated in Fig. 2, and is actuated in one direction by the same mechanism as actuates the pawls k and k, as hereinbefore explained.
  • step or lug 0 extending from one side of the 'sprocket or pattern chain 1*, is brought into engagement with the spring pressed pawl is", pivotally connected to one half of the drum H, as previously described and a similar pawl k which is pivotally connected with the opposite half of said drum, to be presently more fully explained.
  • pawls k and 70 are slots provided in the spring controlled pawls k and 70 and pins 7a and is, attached to the drum at the front side of each section thereof project through the slots 71: and 70 in such manner as to limit the range of to and fro movement of the pawls k and 70 when pressed outward by the lug 'r, of the pattern chain 7', as illustrated at the left hand side of Fig. 10, and pressed inward by the springs 7c and 70 to their initial positions as shownat the right hand side of Fig. 10.
  • These pawls k and 70 are provided with curved noses 7c" and 7e adapted to engage alternately the lever-pawl k.
  • k and 70 are pawls rigidly connected with the drum H, as illustrated in Fig. 10, for purposes to be here inafter fully explained.
  • the pawl 7c Upon the completion of the heel portion of the stocking and by which time it must be understood that the drum has made a one half revolution, the pawl 7c will have been brought by such movement into the path of the pawl it, so as to engage therewith in such manner as to shift the drum a sufiicient distance to bring the rollers (Z and d of the rack-bars d and 61 immediately over or into the spaces H and H in their engagement with the cams h and h The drum will remain in this position, because the pawls k and is, by the above shifting of the drum H,- will now enterithe blank spaces between the ratchets h and h.
  • a lug of the pattern chain 1 similar to the lug r, will be brought into engagement with the pawl [118, by which time the same will have assumed a position on the left hand side of the drum similar to that of pawl illustrated in Fig. 10, thereby shifting the nose 1618, of said pawl k ,into the path of the pawl it.
  • the pawls 70 and 10 are located at different distances from the ends of their respective ratchets h and h, the location of the former being such that when thrown into the path of the pawl k,'the drum is moved only far enough to throw one needle b, out of action, while the location of the latter 70 at a greater distance from the end of its ratchet is such that when engaged by the pawl 10, the drum is moved a distance suffioient tothrow five needles I), out of action.
  • the said pawl It will thereby shift the drum H, forward for the space of five teeth 6f the ratchet h, and five needles located at each end of the carrier 0', will be thrown out of action simultaneously therewith. It must be borne in mind that the rollers d and (1 after such shifting will have passed the spaces between the parts of the drum H, and be in engagement with the respective cams thereof.
  • the needle holder 0, carries in the present instance, at each end five fashioning needles b, more than are necessary to form the toe portion of the stocking, but, the number of fashioning needles thrown out of action simultaneously at the beginning of the formation of the toe portion of the stocking will depend upon the size or fullness of the stocking tobe fabricated.
  • the number of fashioning needles I is greater than the number of needles b, in order that when a certain number of the fashioning needles b, at each end are thrown out of action, those remaining will correspond in number with the fixed needles b.
  • the formation of the toe portion of the stocking that is, the narrowing and widening of the same, is as described in connection with the heel portion of the stocking.
  • the fixed pawl 76- In the position of the drum H, for beginning the fashioning of the toe portion of the stocking the fixed pawl 76-, will be at the right hand side of the ratchet it, and it is at a distance from the end of said ratchet greater than that of the fixed pawl 10 from the end of its ratchet on the opposite side and at the end of the ratchet 71, but similar to that of the pawl 10 It will thus be observed that at the end of the 'toe fashioning when the pawl 10, engages the said pawl'k", the drum H, will be shifted a distance corresponding to that caused by the pawl it at the beginning of the toe portion of the stocking and so as to throw simultaneously into action, the five needles at each end of the group of needles b, previouslythrown out of action
  • the pattern chain 1 is provided with a step or projection r T is a cross-arm suitably hinged at a in a grooved lug a and extending through the same.
  • r is a leaf spring normally contacting with the cross-arm r which extends in the path of the step or projection 1
  • This step or projection T is so arranged as that when the stocking is finished, the same will be brought into engagement with the free extremity of the cross-arm r as clearly illustrated in Figs. 1, 2, 3 and 10, to raise said arm out of engagement with the longitudinal rod r held in the guides r and T of the bed plates at and a.
  • This rod 1' is pivotally connected with a IIO belt shifting leverr pressed outward by means of a spring 0"", which is suitably secured to the end standard A, of the machine.
  • the cross-arm W by rising through the instrumentality of the step or projection r engaging therewith, liberates the longitudinal rod 7", and by the tension of the spring 0"", the pivotal belt shifting lever r is shifted into such position as to cause the belt f on the fixed pulleyf, of the main driving shaft F, to be shifted onto the loose pulleyf thereby stopping the machine.
  • a knitting machine provided with two groups of needles, one group being fixed as to its holder and the other group having fashioning needles detachably connected to its holder and provided with spring arms having bent ends forming bits, a support or grooved cylinder, a driving shaft, reciprocating segmental needle holders alternately actuated from said shaft, and eccentrics connected with said shaft and holders for respectively actuating said groups of needles, substantially as and for the purposes set forth.
  • a knitting machine provided with two groups of needles, holders reciprocated in the direction of the lengths of the needles for elevating and depressing the groups thereof, an oscillating ring provided with teeth for closing the beards of each group of needlesras they descend and with spaces for accommodating the beards of each group of needles as they ascend, movable web-holders, and a divided spring actuated ring provided with recesses engaging oppositely disposed cams, noses or projections of said beard closing ring for operating said movable web-holders, substantially as and for the purposes set forth.
  • a knitting machine provided with two groups of needles, whereof the needles of one group are provided with spring arms bent to form bits and whereof the needles of the other group have hits, a grooved cylinder or support therefor, segmental needle holders or carriers provided with recessed or grooved seats and one of said holders or carriers having a tapering internal surface, eccentrics for reciprocating the holders or carriers of the groups of needles, and strippers for liberating the needles of the group provided with spring arms having bits from the recessed or grooved seat of their holder or carrier, substantially as and for the purposes setforth.
  • a knitting machine provided with a cylinder having radial top notches, needles, mov able Web-holders having curved fingers, lat
  • a knitting machine provided with a slotted needle-cylinder, two groups of needles, whereof one group is fixed as to its holder and provided with base bits, and whereof the other group is provided with spring arms having bent ends forming bits, holders, a main driving shaft. eccentrics, strippers, movable web-holders having curved fingers and transverse shanks engaging the slotted portions of said cylinder, and means for actuating the same so as to engage and disengage stitches with the fingers of said web-holders, substantially as and for the purposes set forth.
  • a knitting machine provided with two groups of needles, segmental reciprocating needle-holders, web-holders, a needle cylinder provided with radial notches for the shanks of said web-holders, an oscillating beard closing ring having noses or projections, and a divided ring provided with recesses, said ring adapted to operate said web-holders, substantially as and for the purposes set forth.
  • a knitting machine provided with two groups of needles movable in respect to their cylinder or support, segmental needle holders reciprocated in the direction of the lengths of the needles, an oscillating ring provided with teeth for closing the beards of each group as they descend and accommodating the same as they ascend and having lugs, cams or projections, movable webholders and a spring controlled divided ring provided with recesses engaging the noses, lugs or cams of said beard closing ring and for operating said web-holders, substantially as and for the purposes set forth.
  • a knitting machine provided with two groups of needles, a cylinder or support there for, segmental needle holders reciprocated in the direction of the length of the needles, a ring having noses or projections, web-holders,
  • a knitting machine provided with two groups of needles, whereof the needles of one group are provided with spring arms with bent ends forming bits, and whereof the needles of the other group are provided with base bits, reciprocating segmental needle-holders,
  • an oscillating beard closing ring web holders, a spring controlled divided ring, strippers or carriages oscillated so as to engage and disengage said needles, and means connected with and operated from the main driving shaft for alternately and successively permitting of the actuation of said groups of needles, substantially as and for the purposes set forth.
  • a knitting machine provided with needles movable in the direction of their support, segmental needle holders reeiprocated alternately from the main driving shaft, a secengaging said cams and adapted to actuate said rack-bars controlling said strippers or carriages, and means for actuating the two part drum, substantially as and for the purposes set forth.
  • Aknitting machine provided with fashioning needles having spring arms with bits, needles having lateral base bits, said needles movable in the direction of their cylinder, reciprocating segmental needle'holders adapted to receive and support the bits of said needles, movable strippers or carriages provided with toothed peripheries, rack-bars having rolling means engaging grooved cams of a two part weighted drum, and means for positively actuating said drum sstep-bystep to throw into and out of action said fashioning needles, substantially as and for the purposes set forth.
  • a knitting machine provided with two groups of needles, whereof one group is provided with spring arms with rear bits, and whereof the other group is provided with base bits, segmental needle holders reciprocated in the direction of the length of the needles, an oscillating beard closing ring, web-holders, a divided spring controlled ring, a sinker-bed and gear and sinker-bars adapted to slacken the thread or yarn between each two of the needles of the groups as they are elevated for holding the same against accidental displacement until the thread or yarn is positively drawn off of said sinker-barsby the descent of the groups of said needles, substantially as and for the purposes set forth 13.
  • a knitting machine provided with two groups of needles, whereof one group is provided with spring arms with bent ends forming bits and whereof the other group is provided with base bits movable within a grooved support, segmental needle holders reciprocated in the direction of'the lengths of the needles, a beard closing ring having noses or projections, movable web-holders, a spring controlled ring provided with recesses and the article being fabricated, substantially as and for the purposes set forth.
  • a knitting machine provided with two groups of needles, whereof one group is provided with springarms having bent ends forming bits and whereof the other has base bits, complemental reciprocating segmental needle-holders, strippers, movable web-holders and means for operating said web-holders in certain directions with respect to the needle cylinder for retaining and releasing the meshes or stitches of the article being fabricated, substantially as and for the purposes set forth.
  • a knitting machine provided with two groups of needles, complemental segmental needle holders for said groups, eccentrics, a driving shaft, movable strippers or carriages, movable web-holders, a divided ring having recesses, a flanged oscillating toothed beard closing ring provided with noses or projections, rack-bars having means adapted to travel in grooved cams of a sectional drum to permit of a step-by-step motion being imparted thereto, and means for actuating said drum, substantially as and for the purposes set forth.
  • a knitting machine provided with needles arranged in separate groups, whereof one group is provided with spring arms having rear bitsand whereof the other is provided with base bits, complemental segmental needle holders, movable strippers or carriages, a sectional drum with grooved cams, rack-bars adapted to actuate said strippers or carriages, and means for imparting a step by step move ment to said drum and for shifting the samea predetermined distance, substantially as and for the purposes set forth.
  • a divided spring actuated 'ring provided with recesses or grooves
  • an oscillating beard closing ring provided with cams or noses reversely'arranged with respect to each other, and web-ho1ders moved in a vertical direction by means of said divided ring, substantially as and for the purposes set forth.
  • a knitting machine provided with a two-part drum loosely mounted on a shaft and having a two-part jacket provided with cams, ratchets connected with one end of said drum, reciprocating pawls and devices in virtue of which said pawls are caused to impart step by step and predetermined movements to said drum, substantially as and for the purposes set forth.
  • a knitting machine provided with a sectional drum loosely mounted on a shaft having radial counterweighted spokes or arms and grooved cams, spring pressed pawls adapted to alterri'at'ely engage a ratchet of said drum, and means for actuating said pawls, substantially as and for the purposes set forth.
  • a knitting machine provided with two groups of needles, needle-holders, movableets ofsaid drum, rack-bars provided With rolls movements to said drum at the completion of the heel and toe portion of the stocking, substantially as and for the purposes set forth.
  • a knitting machine provided with two groups of needles, one group being fixed as to its segmental holder or carrier, a drum having an annular grooved cam, a roll connected with a fulcrumed lever, a horizontal shifting rod in pivotal connection with said lever, a clutch member connected with the main driving shaft of the machine, an eccentric loosely mounted thereon, and an arm for preventing rotation through friction of the eccentric, the same being operatively connected to actuate said group of needles fixed as to its holder, substantially as and for the purposes set forth.
  • a knitting machine provided with fashioning needles, a segmental needleholder, strippers or carriages adapted to be oscillated by rack-bars, a sectional counter-weighted drum provided with grooved cams disposed at substantially an acute angle to each other and adapted to alternately operate said strippers or carriages step by step a predetermined distance and to permit said strippers or carriages to throw certain of the fashioning needles successively and sim ultaneously into and out of action, substantially as and for the purposes set forth.
  • a knitting machine provided with a drum having a jacket with grooved cams, a roller adapted to engage said cams and connected with a vertical rod fulcrumed to the machine, a horizontal shifting rod in pivotal connection with said vertical rod, clutch members mounted on the main driving shaft, provisions for rotating one and reciprocating the other of said members, one of said clutch memhere being adapted to engage a gear on said shaft meshing with a mitengear wheel of a vertical shaft, a sinker-gear and a gear meshing therewith mounted on the upper end of said vertical shaft, substantially as and for the pur-.
  • a knitting machine provided with a cylinder, two groups of needles, holders, a twopart drum having an annular grooved cam, a roll adapted to engage therewith, a clutch shifting mechanism actuated by said roll, gearing adapted to operate a sinkercam, strippers or carriages, rack-bars and cams adapted to actuate said strippers or carriages, substantially as and for the purposes set forth.
  • a knitting machine provided with a drum having an annular grooved cam, a ver tical lever provided with a roller, the latter engaging said cam and said lever being connected with a horizontal clutch shifting rod, a main driving shaft, clutch members and provisions for causing the rotation of one and reciprocation of the other, a gear constructed so as to be connected with each clutch member, a sinker-cam, sinker-gearing actuated by said gear to communicate rotary and to and fro movements to said sinker-cam, and means for actuating said drum, substantially as and for the purposes set forth.
  • a knitting machine provided with a sinker bed having sinkers, a sinker gear adapted to actuate said sinkers, a vertical shaft provided at one end with a miter-gear and at the other with a gear engaging said sinker-gear, a bevel-gear mounted on the main driving shaft and engaging the miter-gear of said vertical shaft, a clutch movable on a sleeve mounted on the main driving shaft, said sleeve provided with a pinion, which latter meshes with a sector-gear connected by means of a rod and a crank with a shaft carrying a gear, which latter meshes with a gear on the main driving shaft, whereby a rotary movement of said driving shaft is transformed into to and fro movement of the sinker-gear, substantially as and for the purposes set forth.
  • a knitting machine provided with two groups of needles, whereof one group ispro-. vided with springs having bits and whereof the other group has base bits, reciprocating segmental needle holders provided with grooved or recessed seats for the bits of said needles, one of said holders having a tapering or slanting body, oscillating strippers or carriages with toothed peripheries, grooved rackbars engaging therewith, feathered brackets engaging the grooves of the rack bars, a sectional drum provided with grooved cams, means connected with said rack-bars and engaging the grooved cams of said drum for actuating said strippers or carriages, and means to impart a step-by-step movement to said drum, substantially as and for the purposes set forth.
  • a knitting machine provided with a fixed needle cylinder with radial notches, two groups of needles, web-holders with shanks and curved fingers, a flanged toothed beard closing ring with noses, cams or projections, a divided ring with complemental recesses or grooves, springs in engagement with said divided ring, and means for oscillating said beard closing ring and elevating and depress- 1 ing said divided ring, substantially as and forthe purposes set forth.
  • a knitting machine provided with needles movable in their support, segmental needle holders therefor, eccentrics for causing the alternate movements of said holders, strippers or carriages, means for oscillating the same comprising a sectional drum provided with an annular grooved cam and a clutch shifting mechanism provided with means adapted to engage said cam and to prevent rotation through friction of one of the needle operating eccentrics, substantially as and for the purposes set forth.
  • a knitting machine provided with needles movable in their grooved support or cylinder, reciprocating segmental needle holders, oscillating strippers or carriages, an oscillating beard closing ring, rack-bars engaging said strippers or carriages, a sectional counter-weighted drum provided with grooved cams, means connected with said rack-bars and engaging said grooved cams, and means ing bits and whereof the needles of the other group have base-bits, a grooved needle cylinder, complemental reciprocating segmental needle holders, strippers or carriages, rackbars, a counter-Weighted two-part drum and means for affording a step by step movement thereto, substantially as and for the purposes set forth.
  • a knitting machine provided with two groups of needles, whereof the needles of one group are provided with springs having bits and whereof the needles of the other group have bits, agrooved needle cylinder, segmental needle holders or carriers, strippers or carriages having toothed peripheries engaging rackbars provided with rolling means which engage grooved cams or jackets of a counter- Weighted two-part drum and means for imparting a step-by-step movement to said drum, substantially as and for the purposes set forth.
  • a knitting machine provided with two groups of needles, whereof the needles of the one have springs with bits and whereof the needles of the other have base bits, a fixed grooved cylinder or support therefor, complemental needle holders having recessed seats, one of said holders provided with a slanting inner surface and both of said holders provided with a removable top-plate, substantially as and for the purposes set forth.
  • a knitting'machine provided with a grooved needle cylinder for the reception of needles, a needle holder reciprocated by an eccentric mounted on the main driving shaft, and a clutch shifting rod provided with a projecting arm adapted to engage a pin connected with said eccentric, substantially as and for the purposes set forth.
  • a knitting machine provided with a shaft, a two part weighted drum, spring pressed pawls connected with the ratchets of said two-part drum and pawls connected with a cross-arm which is actuated by a crank mounted on a shaft driven'by gears from the main driving shaft, a sprocket wheel,achain with a step or projection, and means for operating said wheel, substantially as and for the purposes set forth.
  • a knitting machine provided with two groups of needles, whereof the needles of one group are provided with. curved springs and bits and whereof the needles of the other group are provided with base bits, a fixed grooved needle cylinder, reciprocating segmental needle holders, oscillating strippers or carriages, longitudinal rack-bars provided with rollers, a counter-weighted two-part drum with angular earns, a sprocket-wheel and pattern-chain with steps or projections, a spring pressed pawl connected with each part of' said drum and mechanism actuated from the main driving-shaft and adapted to be brought into engagement with said pawls so as to start the drum and to impart a stepby-step movement-thereto so as to permit of certain of said needles being thrown into and out of action, substantially as and for the purposes set forth.
  • a knitting machine provided with 1ongitudinal rack-bars with grooved channels, feathered brackets engaging therewith, rollers journaled to said rack-bars, a grooved two-part drum, and means for imparting a step-by-step movement thereto and to said rack-bars, substantially as and for the purposes set forth.
  • a knitting machine provided with needles having base-bits afforded a range of movement vertically in a grooved support, a complemental needle holder with an inner recessed or grooved seat and with a detachable plate or rim, a driving-shaft, an eccentric mounted thereon and provided with apin and a clutch-shifting mechanism provided with an arm adapted to engage the pin of said eccentric, substantially as and for the purposes set forth.
  • a knitting machine provided with a bedplate with a dish-shaped aperture, agrooved needle cylinder mounted therein, needles with curved springs and hits, a complemental needle holder with a grooved or recessed seat and with a slanting inner surface and oscillating strippers or carriages adapted to disengage said needles to permit said holders to rise free thereof, substantially as and for the purposes set forth.
  • a knitting machine provided with a fixed needle cylinder having radial notches or slots in the top thereof and carrying a detachable ring forminga support for the sinker-bed, bars and gear, an oscillating beard closing ring having noses adapted to engage recesses of a spring controlled divided ring and to actuate the same, and web-holders engaging said ring, substantially as and for the purposes set forth.
  • a knitting machine provided with two groups of needles movable in their support, needle holders actuated from a main driving shaft by means of eccentrics, oscillating strippers or carriages, rack-bars, a sectional drum and means for imparting astep-by-step movement to said drum and strippers or carriages, substantially as and for the purposes set forth.
  • a knitting machine provided with two groups of needles, whereof the needles of one group have spring arms with bent ends forming bits, and whereof the needles of the other group have lateral base bits, means for reciprocating the same in the direction of the lengths thereof, a grooved needle cylinder, a two-part counter-weighted drum having grooved cams, rack -bars, strippers, spring pressed pawls, oneof which is arranged at the end and the other near the end of the ratchets of said drum, and fixed pawls arranged oppo-

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  • Textile Engineering (AREA)
  • Knitting Machines (AREA)

Description

(No Model.) 7 Sheets-Sheet 1. E. J. FRANCK. AUTOMATIC CIRCULAR KNITTING MACHINE. No. 536,616.
Patented Apr. 2, 1895.
WM/on 2 M m M "mg ncnms PETERS co. Fnorau'mm WASNINGIDN n. c.
'(No Model.) 7 Sheets-Sl1eet 2.
E. J. PRANGK. AUTOMATIC CIRCULAR KNITTING MACHINE.
No. 536,616. Patented Apr. 2, 1895.
"LV/RM/MA/e/a 2 THE NORRIS rsnznsco. FNOTOLITNQ. WASHINGTON. o. c.
(No Model.) 7 Sheets-Sheet 3.
E. J. FRANCK. AUTOMATIC CIRCULAR KNITTING MACHINE.
Patented Apr. 2,1895. Q
1'24: norms PETERS co. runmuruou wnsumulom mv c.
(No Model.) 7 Sheets-Sheet 5.
' E. J. FRANC AUTOMATIC GIRGULAB. KNITTING MACHINE.
Patented Apr. 2, 1895.
cams virus 00. momu'mu. WASHINGTON u c (No Model.) 7 Sheets-Sheet 6.
, E. J. PRANCK. AUTOMATIC CIRCULAR KNITTING MACHINE.
No. 536,616. Patented Apr. 2, 1896' nm'aumuv WASHINGTON u. c,
(No Model.) 6 6 w 7 Sheets-Si1et 7. E. J. FRANGK.
AUTOMATIC CIRCULAR KNITTING MACHINE. No. 536,616. Patented Apr. 2, 1895;
ma NORRIS ranzns 00 mom uwm vusumomm o c NITEED STATES A-TENT OFFICE,
EMIL J. FRANCK, OF P-HILADELPHIA, PENNSYLVANIA.
AUTOMATIC CIRCULAR-KNITTING MACHINE.
SPECIFICATION forming part of Letters Patent No. 536,616, dated April 2, 1895.
Application filed September 1, 1893. Serial No. 484,540. (No model.)
To all whom it may concern.-
Be it known that I, EMIL J. FRANCK, a citizen of the United States, residing at the city ofPhiladelphia, in the county of Philadelphia and State of Pennsylvania, have invented certain new and useful Improvements in 'Automatic Circular-Knitting Machines, of which the following is a specification.
My invention relates to knitting machines; and more particularly to so-called circular knitting machines adapted forthe manufacture of hosiery, underwear and the like and of the general type of the Letters Patent of the United States No. 502,292, granted to me under date of August 1, 1893.
The principal objects of my present invention are, first, to provide a comparatively simple, efficient and inexpensive knitting machine; second, to provide a circular knitting,
machine with two groups of needles, whereof one group is fixed as to its holder, and whereof the other group has fashioning needles detach'ably connected to its holder and provided with spring arms having bent ends forming bits and which groups are alternately elevated and depressed in the grooves of a fixed needle cylinder by means of segmental needle holders alternately moved from a shaft by eccentrics which afford ranges of reciprocating movement to said needles in the direction of their lengths; third, to provide a knitting machine with Web holders actuated by a ring having recesses engaging cams connected with an oscillating ring adapted to automatically close the beards of the needles of each group as they descend and accommodate the same as they ascend by certain defined movements of their complemental needle-holders; fourth, to provide a knitting machine with two groups of needles, whereof the needles of one group are provi ed with spring arms bent to form bits and whereof the needles of the other group have bits, 2. grooved needle cylinder or support therefor, segmental needle holders or carriers provided with recessed or grooved seats and one of said holders or carriers having a tapering internal surface, eccentrics for reciprocating the holders or carriers of the groups of needles and strippers for liberating the needles of the group provided with spring arms having bits from the recessed or grooved seat of their holder or carrier; fifth, to providea knitting machine withrimproved means for connecting and disconnecting certain of the needles, that is, the fashioning needles, to and from a complemental reciprocating segmental needle holder so as to effect the required narrowing or widening of a fabric; sixth, to provide a knitting machine with improved means for operating the web-holders in acertain direction as to the needle cylinder in order to respectively retain and release the meshesor stitches of the Web being fabricated; seventh, to provide a knitting machine with means for operating movable webholders alternately in a vertical direction by means of a divided spring controlled ring having recesses engaging cams or noses arranged reversely with respect to each other and depending from an oscillating needle-beard closing ring; eighth, to providea knitting machine with a sectional, divided or two part drum having angular grooved cams disposed preferably at substantially an acute angle to each other and so arranged as to permit, in the alternate operation of strippers or carriages, the fashioning needles in regular sequence from different positions of the needle cylinder, tobe thrown out of and into action; ninth, to provide a knitting machine with a sectional drum having angular grooved cams and an annular grooved cam for the reception of a roller connected with a lever actuating a clutch shifting rod and an arm for preventing the rotation through friction of the eccentric actuating the group of needles fixed as to its holder; tenth, to provide a knitting machine with spring pressed pawls and fixed pawls connected with each section of the drum and arranged to permit of the shifting of one of the sections of the same a predetermined distance for throwing simultaneously out of and into action certain of the fashioning needles of. the group thereof, at the commencement of the toe portion of the stocking; eleventh,to provide a knitting machine with gear-mechanism actuated by clutches from the main driving shaft for reciprocating the sinker-gear and controlling the movement of the sinker-bars during the widening and narrowing of a web being fabricated; twelfth, to provide a knitting machine with two groups of needles, whereof one group is provided with spring arms having rear bits and whereof the.
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other group is provided with base-bits, segmental needle holders reciprocated in the direction of the lengths of the needles, an oscillating beard closing ring, web holders, a divided spring controlled ring, a sinker-bed and gear and sinker bars adapted to slacken the thread or yarn between each two of the needles of the groups as they are elevated for holding the same against accidental displacement until the thread or yarn is positively drawn oif of said sinker bars by the descent of the groups of said needles; thirteenth, to provide a knitting machine with two groups of needles, whereof one group is provided with spring catches adapted to engage a complemental recessed and tapering surfaced reciprocating holder and with oscillating strippers or carriages so arranged as that by contact of the same with the spring catches of the needles, the holder is permitted to rise free thereof during the fashioning of the heel and toe portions of the web, and, fourteenth, to provide a knitting machine having the parts reduced as to number and the mechanism connected therewith simplified, whereby more positive action is insured in the production of a knit fabric.
Myinvention comprises a knitting machine provided with two groups of needles, whereof one group is fixed as to its holder, and whereof the other group has fashioning needles detachably connected to its holder and provided with spring arms having bent ends forming bits, and reciprocating segmental needle-holders alternately movable from the main driving shaft by means of eccentrics for respectively actuating said group of needles.
My invention further comprises a knitting machine provided with needles, holders reciprocated in the direction of the lengths of the needles for elevating and depressing the groups thereof, an oscillating ring provided with teeth for closing the beards of each group of needles as they descend and with spaces for accommodating the beards of each group of needles as they ascend, movable webholders and a divided spring actuated ring provided with recesses engaging oppositely disposed cams, noses or projections of said beard closing-ring, for operating said movable web-holders.
My invention further comprises a knitting machine provided with two groups of needles, whereof one group is fixed as to its holder and whereof the other group has fashioning needles detachably connected to its holder, reciprocating segmental needle holders provided with recessed or grooved seats and one of said holders having a tapering internal surface, eccentrics for reciprocating the holders of the said two groups of needles, and strippers for liberating the fashioning needles from the recessed or grooved seat of their holder to permit of the narrowing and then of the widening of the fabric.
My invention further comprises a knitting machine provided with miter-gears, whereof one has pins adapted alternately to engage clutch members, one of which is connected by means of a sleeve and pinion with a sector-gear, which latter is connected with the crank-arm of a cross-shaft, the latter carrying a gear meshing with a gear upon the main driving-shaft, and whereof the other clutch member is connected with said shaft, and said clutch members respectively adapted to impart rotary and to and fro motions to the gearof a sinker-bed through the intervention of the gear of a vertical shaft engaging said sinkergear.
My invention further comprises a knitting machine provided with two groups of needles, whereof one group is provided with spring catches adapted to engage a recessed and tapering surfaced reciprocating holder and oscillating strippers or carriages arranged so that by contact of the same with the spring catches of said needles, said holder is permitted to rise free thereof, during fashioning of the article being fabricated.
My invention further comprises a knitting machine provided with web-holders movable in a vertical direction by means of a divided spring actuated ring having recesses or grooves adapted to engage with cams or noses of an oscillating beard closing ring reversely arranged with respect to each other.
My invention further comprises a knitting machine provided with a drum having an annular grooved cam for the reception of a roll connected with a fulcrumed lever, which latter is in pivotal connection with a horizontal rod, actuating clutches connected with the main driving shaft of the machine, and an arm for preventing rotation through friction of an eccentric of said main driving shaft actuating the group of needles fixed as to their segmental'needle holder or carrier.
My invention further comprises a knitting machine provided with spring pressed pawls and fixed pawls connected with each part of a centrally divided drum having angular and annular grooved cams and mechanism adapted to operate the same so as to permit of the throwing simultaneously out of and then into action of certain fashioning needles of a group of needles during fabrication of the toe portion of a stocking.
My invention further comprises a knitting machine provided with spring pressed pawls and fixed pawls connected with each part of a weighted and centrally divided drum and arranged to permit of a shifting of one part of the drum a certain distance for throwing out of and into action simultaneously a certain number of the fashioning needles, and said drum having ratchets with which engage pawls adapted to shift said drum forward step-by-step to throw successively out of and into action the fashioning needles while knitting the heel and toe portions of the stocking, and the drum being constructed to control a clutch-shifting mechanism to change rotary motion of the sinker-cam and thread-carrier into to and fro movement during fabrication of the heel and toe portions of the stocking; and myinventionfurthercomprisesaknitting machine constructed, arranged and adapted for operation in substantially the manner hereinafter fully described and claimed.
The nature and general features of my invention will be more fully understood from the following description taken in connection with the accompanying drawings forming part hereof; and in which Figure 1, is a front view of a knitting ma chine embodying features of my invention with the parts and mechanisms thereof shown in such positions respectively as to fabricate round or tubular work and by the shifting of the clutch mechanism of the machine to effect fashioning of the article being fabricated; Fig. 2, is a side view taken from the right hand side of Fig. 1, showing means for operating the sectional, divided or two-part drum, the belt and clutch-shifting devices and mechanism and the means for effecting a reciprocating movement of the machine for fashioning an article being fabricated. Fig. 3, is a top or plan view, showing the disposition of the pawls for operating the sectional, divided or two-part drum, the belt shifter and devices for operating the sinker-bars of the machine. Fig 4, is a central longitudinal section on the line w-w, of Fig. 3, showing the needle-cylinder, segmental reciprocating needle-hold ers and the operating mechanism for the sinker-gear and the sectional or two-part counter-weighted drum and sprocket and ratchet-wheels. Fig. 5, is a central longitudinal section on an enlarged scale from the upper left hand portion of Fig. 4, showing in detail the oscillating needlebeard closing ring and its complemental spring actuated divided ring in engagement with movable web-holders. Fig. 6, is a perspective view of the parts illustrated in Figs. 4 and 5, and also showing the movable web-holders, the leaf spring connected with the sinker-bed support and the flanged oscillating beard closing ring. Fig. 7, is a top or plan view on the lixe 00-00, of Fig. 4, showing the needle holders and strippers or carriages for releasing and returning the fashioning needles to their initial positions. Fig. 8, is a section on the line yy, of Fig. 7. Fig. 9, is a perspective view, showing the device for preventing rotation through friction of the eccentric actuating the needle holder carrying the group of needles fixed as to their said holder. Fig. 10, is a View partly in section and partly in elevation of the two-part engagement with a rod held in pivotal connection with a belt shifting lever adapted to stop the machine by the shifting of a belt from a fast to a loose pulley. Fig. 11, is an enlarged sectional view of means for imparting a reciprocating motion to thesinker-gear. Fig. 12, is a view on the line 2-2, of Fig. 11; and Fig. 13, is a diagrammatic View, showing developed in longitudinal plan, the construction and arrangement of the two-part grooved drum, showing also the cams adapted to actuate the clutch shifting lever and the rod for operating the clutches of the main driving shaft of the machine.
In the drawings A and A, are the end standards formed integral with the longitudinal base piece or frame A and carrying a separate and divided bed-plate a and a. This bed-plate a, has an annular flaring recess or aperture a for the reception of. a needle-cylinder B, which is rigidly secured thereto and an annular recess a for the reception of the need-lestrippers or carriages D and D.
The needle-strippers or carriages D and D, comprise segmental top-plates d and d, se-
cured in grooved and flanged bed-plates d and d by means of screws alt and d., The
bed-plates d and 61 are provided with toothed peripheriesd and al which mesh with longitudinal rack-bars d and d afforded a range of to and fro movement along the bed plate a, and provided with channels or V-shaped grooves d and (Z which are adapted for the reception of longitudinally feathcred-brackets c1 and d, detachably secured to the bed-plate of the machine. The bedplates d and d are provided with pins or bolts (Z and (NZ-which engage segmental slots d and 01 provided in the bed-plate a, of the machine. The segmental slots afford the strippers or carriages D and D, a range of reciprocating movement in the'aotuation of the rackbars d and d engaging therewith and the stud-pins or bolts 01 and d prevent vertical displacement of the bed-plates d and d in the oscillating movement of the strippers or carriages D and D.
The bed-plate a, of the machine has an aperture or, adapted for the reception of a drum H, consisting of two parts H and H so arranged in position above one another that spaces H and H, are formed between opposite edges of the two parts of the same in ex- .tent corresponding to a tooth of the teeth of the two parts 71 and h of the flanged ratchet formed integral with or secured to the rear having radial spokes or arms 71. and 71. formed integral therewith and connected with the inner surface of the drum, and with inversely disposed radial counter-weighted arms h and IL7, formed integral with the hubs 71 and 71.3, and serving to hold each part of the drum in the required position. The weights of the arms h and 71. it is to be understood, are attached thereto by means of set-screws, not shown.
h", is a distance piece keyed to the shaft h between the hubs 7L and 71 of the drum H. The shaft 7L8, has a threaded extremity h, which is screwed into the threaded aperture of a bracket a formed integral with the bedplate a, of the machine. The opposite eX- tremity of the shaft h is threaded at 72 and has an end journal 72. engaging asmooth surfaced aperture a, in the end of the bed'plate a, of the machine. On the shaft 71.8, is mounted the sprocket-wheel It, provided with a double flanged or recessed hub h, which is secured by means of screws 71 to one face of the ratchetwheel h. The ratchet-wheel -h, which is actuated by a pawl it, connected with a cross-lever K, rotates the sprocketwheel it, maintained in contact with a distance piece it mounted on the shaft h and abutting against the hub 71. of the drum II. h, is a metal washer and h, is a bearing plate engaged by a jam-nut 71 applied to the threaded portion h, of the shaft 7L8. The drum H, is adapted to be rotated on the shaft 71*, independently of the movement of the ratchet and sprocket wheels h and 7t, step by step by means of the pawls 7i and it, during the fabrication of the heel and toe portions of the stocking or by means of the pivotal pawls k and 7.2 and rigid pawls 7.1 and k of the ratchet-wheels 72, and h a predetermined distance at the beginning of the formation of the heel and toe portions of the stocking.
The two parts H and 1-1, of the drum H, are provided with detachable jackets H and H, which embrace each of the parts of the drum and so as to form spaces I1 and H which correspond in extent to the spaces H and 1-1 of the drum H. These jackets H and H, are respectively provided with channels or grooves extending from the edge of each half thereof at one end and meeting at the other end in such manner as to constitute angular cams 71 and 72 which are adapted to permit of the actuation of the strippers D and D, by the rotation of the drum in a manner to be hereinafter fully explained. The two parts of the jacket are provided with a recess or groove 71., which latter is curved near the end of each half of the jacket, and forms in connection with the two parts h and 71 of the ratchet wheel of the drum, cams 71. as illustrated in Figs. 3 and 13. These cams W of the two-part jacket serve to permit of the actuation of a clutch shifting rod N, to afford a change of the rotary movement of the sinker-cam b", to a to and fro movement for purposes to be presently .such case the two-part jacket may be dispensed with. The employment of a two-part jacket, however, is preferred, because such insures good results in the practice of the invention; and moreover, in case of wear or breaking down of the jacket, another may be readily applied to the drum with the least amount of time and labor attending upon the same.
The needle cylinder 13, is provided with axial grooves, channels or slots b, in which the needles I) and b, are located and afiorded a range of vertical movement. The fashioning needles 6, are provided at the lower parts thereof with springs b and bits 1), adapted to engage a groove or recess formed in the holder or carrier 0', therefor. The needles b, fixed as to their carrier 0, are provided at the lower parts with bits b, which engage with a groove or recess 0 provided in the needle holder or carrier 0, therefor. The needles I), are permanently secured to the holder or carrier 0, while the needles I), are detachably connected with the holder or carrier O.
c and c, are segmental plates detachably connected with the holders or carriers 0 and C, by means of screws 0 and 0 for permitting of the removal and replacement of broken or worn needles by others. The plates 0' in conjunction with the segmental groove of the holder 0, forms a seat 0 for the bits I), of the fashioning needles I). The holder 0, beneath the seat 0 is provided with a slanting or tapering surface 0 This surface 0 serves to press the bits I), inwardly, when the needles Z), are detached from the holder 0, and released by the strippers D and D, and thus to allow the needles b',to return to their normal position with the bits thereof in engagement with the seat 0 for purposes to be hereinafter more fully explained. The strippers or carriages D and D, located below the holder 0, are adapted to bear against the springs b of the fashioning needles I), to cause the release of the bits 19 from the grooved seat 0 of the holder or carrier 0', when the strippers are shifted toward the carrier 0, in Fig. 7, so that the fashioning needles may be thrown out of action for a purpose to be hereinafter fully explained. c and c, are vertical posts journaled to the respective needle holders or carriers 0 and O, and extending downward through the bedplate a, of the machine and through housings or guides 0 and a, suitably secured to the under side of the bed-plate at. These needle operating carrier posts 0 and o, are pivotally connected at e and 0 to rods 0 and 0 suitably applied to straps upon eccentrics 0 and 0", respectively clutched to and mounted on the main driving shaft F, as clearly illustrated in Figs. land 2.
11 is an annular ring detachably connected with the needle cylinder B, by means of a hinge. This ring b is composed of twoparts, each of which is provided with a projection at the end thereof, not shown, for the reception of a screw for holding said parts together.
This ring 6 forms a support for the sinkerbed 19 which is rigidly connected to the needle cylinder B, by means of screws 1), in-
serted through the part 11 of said sinker-bed b and bearing against the ribs or projections b of the cylinder B. The sinker-bed b is connected with the upper ends of the ribs or projections b forming grooves b adapted for the reception of the beards of the needles, as
illustrated in Fig. 4. The sinker-bed b care bars 19 is provided at the upper extremity W with a lip or lug b engaging an annular groove Z1 formed in the sinker-gear If. This I groove Z7 has a curvilinear cam or inverted V-shaped extension 11 which is adapted to shift the sinker bars first backward and then forward, while the guide b, as illustrated in Fig. 3, is presenting the thread or yarn to the stems of the respective groups of needles b and b.
g,is a flanged ring movably connected with the sinker-bed b", as fully illustrated in Figs. 4,5, 6 and 8. This ring is provided upon its inner edge with two sets of teeth 9' and g whereof one set 9 pertains to'the beards of the needles I), operated by the holderor carrier C, and the other set to the needles I). The tooth 9 between the two sets of teeth at one side, is made wider thanthe other teeth, as shown in Fig. 6, and at the opposite side of the ring there is a corresponding wide 'space 9 between the two series of teeth, in
order to insure engagement or disengagement of the beards of the needles at the ends of the two groupsb and b, with and from the corresponding teeth of the ring g. The needles, especially those illustrated in Figs. 1, 2, 4 and 8, are in aposition for knitting a tubular or round fabric.
When the fabrication of the heel of a stocking has been reached, the fashioning needles Z), are stripped from their holder or carrier 0, by means of the strippers or carriages D and D, which cause the springs b of said needlesto be pressed inward in order to release the bits b, from the recessed seat 0 of the needle holder or carrier C, so that when this holder or carrier is next moved in a vertical direction, the fashioning needles of the group b, remain down throughout the action of the strippers or carriages D and D, which are shifted forward toward the right in Fig. 7, in order to allow the holder or carrier 0', to rise independently, so as to drop or release one stitch at a time, whilethe heel and toe portionsof the article are being fabricated. The forward movements of the strippers or carriages D and D, and of the needle holder or carrier 0, are then repeated until one half of the heel has been fashioned or until all the needles I), requisite for fashioning the heel, are thrown out of action. Upon reaching the point where the needles are to be again thrown into action, the strippers D and D, are moved in reverse directions alternately the space of one needle of the group at a time to release the springs 6 of the fashioning needles I), one after another. The needles I), are'then successively returned to their initial positions, in the needle holder or carrier 0', as the bits b which were pressed toward the needle cylinder 13, by the strippers D and D, are returned into contact with the slanting surface 0 of, the holder 0, and so as to force the bits toward the stems of the needles until they are in a position to spring into the annular recessed or grooved seat 0 of the needle holder or carrier 0, in a position for further action. It will be observed that by successive movements of the strippers D and D, all the fashioning needles I), are again thrown into action and the heel by that time has been fashioned.
The flanged oscillating beard closing ring. 9, is operated by an arm g which is secured thereto and extends through a slot Z2 in the side of-the sinker-bed b This arm g is actuated by a pivotal lever 9 provided with a' forked extremity engaging the cam 9 of a clutch device n mounted on the main driving shaft F, of the machine. The range of to and fro movement of the arm 9 and of the beard closing ring g, is limited by means of the side pins g and g, projecting from the under of the sinker-bed 19 This mechanism actuates the beard closing ring g, the distance of a needle to efiect the closing of each heard of the needles of the group and the raising and lowering of the web-holders E and E, in succession for engaging and disengaging the meshes or stitchesof the article being fabricated by the needles raised and lowered through the intervention of the eccentrics c and a". The oscillations of the ring g, by means of the cam of the clutch device "n are timed with respect to the movement of the needle holders or carriers 0 and O. The beards of the rising needles I), working in the spaces of the corresponding teeth 9 of the ring g, are permitted to open in order to allow the yarn to be laid beneath the same and when the needles b, are descending, their beards collide with the corresponding teeth 9 in order that they may be closed thereby. Correspondinglythe beards of theneedles 1), working in the spaces of the teeth g, of the ring 9, are permitted to open, in order to allow the yarn to be laid beneath the same and when these needles b, are descending their beards collide with the teeth 9, so as to close the same.
g and g', are noses, cams or projections de pending from the ring g, and adapted to engage corresponding recesses or grooves z" and d of a spring controlled divided ring I and I. These noses, cams or projections g and g of the flanged oscillating ring g, are so arranged that when the ring is moved to the right, as illustrated in Fig. 6, the fashioning needle side I of the divided movable ring is pressed downward against the force of one or more of the reversely disposed leaf springs b, detachably connected with the sinker-bed b to cause the web-holders E, on the same side to release the stitches of the web being fabricated, while the same movement of the ring y, will cause the web-holders E, on the opposite or fixed needle side of the machine, by the force ofthe springs 19 connected with the sinker-bed b, in the movement of the part I of the divided ring to retain the stitches of the web being fabricated. The oscillating ring g, is next moved to the left, and the fashioning needle side I of the divided ring is released, in order to allow the same to rise by the force of the leaf springs b and the fixed needle side I of the divided ring is simultaneously forced against the action of the leaf springs 19 and thereby caused to move in a downward direction to release the corresponding stitches of the web being fabricated, and at the same time securing the stitches on the fashioning side of the machine. This divided ring I and l, is provided with'pins or studs 2' and 2' having a range of movement in vertical slots b suitably provided in the sinker-bed b and adapted to prevent accidental rotation of the divided ring I and I, by friction, as clearly shown in Fig. 5.
The projecting shanks e and e, of the webholdersE and E, are guided in radial grooves or slots 12, formed in the upper end of the needle cylinder B, as clearly illustrated in Figs. 4, 5, 6 and 8. Each of these radial grooves or slots 1), is located between each needle and the next. Each of the web-holders has also a movable hearing or seat '5 in the inner surface of the divided ring I and I. The webholders E and E, are permitted to hold and then release the respective meshes or stitches from the curved fingers c of said holders, as clearly shown in Figs. 4, 5, 6 and 8.
In fabricating a circular web or tube, the sinker-gear b", with the sinker-cam b, is revolved in one direction and the oscillating beard closing ring g, through the intervention of the pivotal rod g and cam 9 of the clutch device n is operated to alternately actuate the web-holdersE and E.
O, in Fig. 1, is a thread or yarn controlling device provided with a platform 0, having a projection or lug 0 secured thereto.
0 is a guide pivoted to the lug 0 and provided with an eye 0 for the reception of the thread or yarn.
0 is a spring guide fingerhaving an eye 0", through which the thread or yarn is conducted from the eye 0 of the pivotal guide 0 in a 0', which is pivotally connected with a vertical lever 0 carrying a roller 0 adapted to engage in the annular grooved cam 77. of the two-part or centrally divided drum H. The vertical lever 0 is pivotally connected at a with the horizontal clutch-rod N, suitably journaled to the frame of the machine. On this rod N, are mounted at suitable distances apart forked devices n, n and n adapted to engage clutch members 01 n and n mounted on the main driving shaft F, it being understood that the roller 0 will play in the groove h", the drum H, being actuated by the leverpawls 7c and k, engaging the ratchets h, 72, during the fabrication of the heel and toe portions of the stocking. There is a belt f applied to the fast pulley f, mounted on the main driving shaft F, which shaft by means of the gear-wheels p and p, communicates motion to the crank-shaft p and in turn to a connecting-rod p mounted on the crank-arm p, of said crank shaft 19 This connecting rod 9 is pivotally attached to the cross arm K, in order to reciprocate the leverpawls 70, 7c and k, to cause the drum H, to be moved step by step and likewise the ratchet wheel h. This drum H, in turn imparts a like movement to the rack-bars d and al through the intervention of rollers (Z and d journaled thereto.
When fabricating a circular web or tube, the sinker-gear b", with the sinker-cam b, is revolved in one direction. The sinker-bar 1), corresponding to a fashioning needle, being thrown outward from the center of the needle cylinder B, during the application of the thread or yarn, is subsequently drawn forward toward the center of the cylinder to engage the yarn or thread and to push a loop or bight of the same inward past the needle. It should of course be borne in-mind that the projection b, on the end of the sinker-bar I9 holds the bight or loop in such ,posi tion, against upward displacement, while the thread is being laid on the rest of the fashioning needles, that are actuated by the holder or carrier 0'. As the thread guide I)", approaches the center needle of the constantly rising holderor carrier C, the thread is inserted beneath the beards of the needles and the sinker-bars Z9 appertaining to these needles are'projected forward toward the center of the needle cylinder B, one after another. As soon as the thread has been laid onto the needles of the group,to which they pertain, the needles I), are permitted simultaneously to descend. After the thread or yarn guide I), passes the center or thereabout of. the holder or carrier 0', and while it is approaching the opposite extremity thereof, the holder or carrier C, will begin to descend. During the descent of the holder or carrier C, the thread is laid onto the remaining needles and loops or bights of the threads, are pushed inward toward the center of the needle-cylinder B, and held in such position by the projections b, of the sinker-bars b, it being understood that these sinker-bars Z2 are for this purpose operated successively in the manner hereinbefore explained. The thread or yarn carrier b", and sinker-bars 5 then lay the thread or yarn onto the needles 1), operated by the holder or carrier 0, in precisely the manner hereinabove explained, with reference to the fashioning needles b, of theholder or carrier 0. While the thread or yarn is being laid onto these needles I), the carrier 0, will be descending, with the result that the beards of the needles I), operated thereby are closed by contacting with the teeth of the oscillating ring g, so that the thread is drawn by means of the closed beards off the projections 11 of the sinker-bars 12 over the curved fingers c of the web-holders E, and through the stitches of the previously formed course, and these latter stitches are permitted thereby iii the usual manner to be disengaged from the closed beards of the needles I).
The repetition of the above described operations results in the production of a knit tube or web which is held down by means of the curved fingers c of the web-holders and which is fed away from the machine through the interior of the needle cylinder B.
In knitting a flat web one of the holders or carriers 0, for example, is permitted to rise and fall and the other holder or carrier, for example 0, is thrown out of action, the. oscillating ring 9 operating to close the beards of the fashioning needles I) as they descend, and allowing them to open-as they ascend, and the sinker-gear b, is caused to turn first in one direction and then, in the other in order to permit the thread guide I)", to lay the thread backward and then forward across the needles that are operated by the holder or carrier 0, and also to cause the sinker-bars 19 to press the thread between the fashioningneedles b, and toward the center of the needle. cylinder B, as hereinbefore explained.
The fiat web maybe narrowed by shifting the needle strippersDand D, toward the needle holder or carrier rod 0 as previously described, so that when the holder or carrier 0, descends, the springs 11 of the needles I), are pressed against the inner edges of the strippers D and D, the bits b being thereby forced toward the stems of the needles and out of engagement with the annular grooved seat 0 of the holder or carrier 0'.
The flat web may be widened by throwing into action in the fabrication of the article, the needles I), one after another, by reversing the movement of the strippers D and D, and returning the same to'their normal position, as illustrated in Fig. 7.
The eccentric 0 has secured theretoa pin 0, which projects at aright angle to the face thereof and serves to engage with a projecting arm a, connected with the clutch shifting rod N. This arm 0 when in engagement with the pin a, is adapted to prevent'accidental rotation of the fixed needle holder eccentric c during the reciprocating move ment of the mechanism of the machine, for efiecting the fashioning of the heel and toe portions of the stocking being fabricated, as illustrated in Fig. 9. The pawls k and 7c, are attached to a pivotally supported cross-arm K, as illustrated in Figs. 1, 2, 8 and 10. The lever-pawl is, located at the extreme end of the pivotal cross-arm K, has a greater range of movement than the lever-pawl which is located near the pivoted end of the crossarm K. Each of the lever-pawls k and 7c, actuates one of the sections or parts of the drum the space of a tooth on each side alternately in the revolution thereof. t
70 is a pin or stud projecting from the surface of the standard A, and the pawl 7c, is pressed against the pin or stud k by means of a spring k suitably connected with the bed plate a, of the machine. This pawl 70, in its vertical movement, as shown in Fig. 10, is brought into contact with the teeth of the ratchet h, of the drum H, when the pin it, enters the recess k formed in the edge of the pawllc,this recess permitting the same to mesh with and actuate the lower part H of the ICO 'r, projecting from the pattern-chain 'r, shifts the nose is", of the pawl k into the path of the pawl k, which causes the same to engage said pawl I0 and both pawls 7c and 10 will thereby shift the lower part H of the drum H, forward a space sufficient to shift the rollers c1 and (1 out of the spaces H and H between the two parts of the jacket H and H and thus to throw out of action one of the fashioning needles I), by means of the stripper D, which is simultaneously shifted forward equal to oneof the fashioning needles I), by means of the cam h, of the lower part H of the drum H. The first or upward movement of the lower part H of the drum H, moves the upper part H and its ratchet h within reach of the pawl 10, thereby causing the said pawl to engage the ratchet h. When the cross-arm K, moves downward, the pawl 70', will slrift the upper half H of the drum forward and will throw out of action one of the fashioning needles I), by means of the stripper D, which is shifted forward toward the right, as illustrated in Figs. 3 and 7 by means of the cam 71 of the upper half H of the drum H.
It may be here remarked that the drum H, in the fabricating of a tubular web will not be shifted forward, because at such time the pawls 7c and I will enter the toothless spaces between the two ratchets h and 71 of the drum H, as illustrated in Fig. 10, which correspond to the parts of the drum; it being understood that said spaces l-Itand 11 ,136-
tween the two parts of the drum II, correspond with the space of atooth in the ratchets h and h of the drum. It should also be borne in mind that the lever pawls 7t and 7t, each shift one part of the drum H, the space of a tooth of the ratchets 7L and h without moving the other half of the drum, in order to throw out of and into action successively the fashioning needles.
In the downward movement of the crossarm K, the lever-pawl 7c, is brought into a position for further action. By the same movement of the cross-arm K, the lever-pawl 75', near the pivoted end of the cross-arm K, and on the opposite side of the drum, engages with the teeth of the ratchet 72 by means of a spring k attached to the bed-plate a, and normally engaging therewith, to effect a movement of the upper part H of the drum H, the space of onetooth, without causing a similar movement of the other part H of the drum. These movements are repeated until the rollers d and d of the rack-bars d and (Z and h, of the drum H, have reached the meeting points of the cams, when they are returned to their respective initial positions and therewith the strippers D and D, whereby narrowing or widening of the web is insured to its full extent by the throwing out of and then into action successively of the fashioning needles b, as hereinbefore described.
\Vhen the machine has reached the point to commence fabrication of the heel, the oper- "ation of the parts to change the rotary movement of the sinker-gear into a to and fro movement, is as follows:-The roller 0 on the vertical clutch shifting lever 0 is through the intervention of the cam 72 of the annular groove h, of the drum H, actuated to shift the lever 0 at its lower extremity to the left of the position as illustrated in Fig. 1, and the clutch-device n is thrown out of'engagement with the eccentric c actuating the needles I). The clutch device a, is thrown out of engagement with the gear m, while the clutch device n is thrown into engagement with the gear m, which engages a complemental gear m, mounted on a vertical shaft m extending through the bed plate a, of the machine, and carrying a gear-wheel m provided with a handle m. This gear-wheel m meshes with the sinker-gear b and is operated by means of the handle m so as to cause,in the event of the breaking of a thread, by the turning of the sinker gear around the part If, of the groove b, of said gear to shift the sinker-bars 12 so as to permit of the tying of the ends of the threads in order that the knitting operation may he proceeded with. The gear-wheel 6 a 19, secured to the main driving shaft F, meshes with a gear-wheel 19, mounted on the crankshaft 19 This gear-wheel p, is connected by for the reception of pins m and m These pins permit the miter-gear 'm, to be connected with one or the other of the clutch members n or 91 by the actuation of the clutch-rod N, through the intervention of the lever 0 in on der to change the rotary movement of tho sinker-gear b into a reciprocating movement, as hereinafter more fully explained.
When the gear wheel m, with its pin m is in engagement with the clutch device n ,a to and fro movement of the sinker-gear b, is secured through the intervention of the fixed gearp, meshing with the gear 19'. The pinion p", is loosely mounted on the main driving shaft F and has a sleeve 12 provided with a horizontal slot 19*, adapted to engage a pin 19 of the clutch device of, whereby through the shifting of said clutch device n to the left by means of the clutch'rod N, the movement of the sinker-gear b, is changed, as above mentioned.
The sprocket or pattern chain 'r, engages the sprocket-wheel h, o n the shaft h This sprocket-wl1eel h, is rigidly secured to the ratchet-wheel h, in the manner hereinbefore fully explained. The ratchet-wheel h, is engaged by the pawl which is pivotally attached in front of the cross-arm K, opposite the pawl k, as illustrated in Fig. 2, and is actuated in one direction by the same mechanism as actuates the pawls k and k, as hereinbefore explained. The step or lug 0", extending from one side of the 'sprocket or pattern chain 1*, is brought into engagement with the spring pressed pawl is", pivotally connected to one half of the drum H, as previously described and a similar pawl k which is pivotally connected with the opposite half of said drum, to be presently more fully explained.
70 and 70 are slots provided in the spring controlled pawls k and 70 and pins 7a and is, attached to the drum at the front side of each section thereof project through the slots 71: and 70 in such manner as to limit the range of to and fro movement of the pawls k and 70 when pressed outward by the lug 'r, of the pattern chain 7', as illustrated at the left hand side of Fig. 10, and pressed inward by the springs 7c and 70 to their initial positions as shownat the right hand side of Fig. 10. These pawls k and 70 are provided with curved noses 7c" and 7e adapted to engage alternately the lever-pawl k. k and 70 are pawls rigidly connected with the drum H, as illustrated in Fig. 10, for purposes to be here inafter fully explained.
Upon the completion of the heel portion of the stocking and by which time it must be understood that the drum has made a one half revolution, the pawl 7c will have been brought by such movement into the path of the pawl it, so as to engage therewith in such manner as to shift the drum a sufiicient distance to bring the rollers (Z and d of the rack-bars d and 61 immediately over or into the spaces H and H in their engagement with the cams h and h The drum will remain in this position, because the pawls k and is, by the above shifting of the drum H,- will now enterithe blank spaces between the ratchets h and h. It should be borne in mind that upon the completion of the heel portion of the stocking it is necessary to automatically turn the cluth shifting mechanism to its initial position, that is, the position which it occupied prior to the commencement of the fabrication of the heel, so as to change the to and r fro movement of the sinkergear b to a rotary movement thereof, and so as to begin the foot portion of the stocking. This is effected by means of one of the cams 77, by the above shifting of the drum H, by means of the pawls k and 76, as hereinbefore described. One end of the lever-arm 0 is simultaneously shifted toward the left in Fig.1, and the clutch-rod N, shifts thereby the clutch device n into engagement with the eccentric 0 and the clutchdevice n into engagement with the gear m, so that the same will be connected directly with the main driving shaft F, and the to and fro movement of the sinker-gear 12*, will be changed into a rotary movement and both needle carriers 0 and C, will be afforded up and down movements and the arm 0 of the rod N, will be thereby freed from the pin 0 of the eccentric c. The foot portion of the stocking is fabricated in the same manner as previously described in connection with the knitting of the tubular web of the stocking. When the foot portion of the stocking is completed, a lug of the pattern chain 1", similar to the lug r, will be brought into engagement with the pawl [118, by which time the same will have assumed a position on the left hand side of the drum similar to that of pawl illustrated in Fig. 10, thereby shifting the nose 1618, of said pawl k ,into the path of the pawl it.
As shown in Fig; 10, the pawls 70 and 10 are located at different distances from the ends of their respective ratchets h and h, the location of the former being such that when thrown into the path of the pawl k,'the drum is moved only far enough to throw one needle b, out of action, while the location of the latter 70 at a greater distance from the end of its ratchet is such that when engaged by the pawl 10, the drum is moved a distance suffioient tothrow five needles I), out of action. The said pawl It, will thereby shift the drum H, forward for the space of five teeth 6f the ratchet h, and five needles located at each end of the carrier 0', will be thrown out of action simultaneously therewith. It must be borne in mind that the rollers d and (1 after such shifting will have passed the spaces between the parts of the drum H, and be in engagement with the respective cams thereof.
The needle holder 0, carries in the present instance, at each end five fashioning needles b, more than are necessary to form the toe portion of the stocking, but, the number of fashioning needles thrown out of action simultaneously at the beginning of the formation of the toe portion of the stocking will depend upon the size or fullness of the stocking tobe fabricated. With regard to Fig. 7, of the drawings, it will be observed that the number of fashioning needles I), is greater than the number of needles b, in order that when a certain number of the fashioning needles b, at each end are thrown out of action, those remaining will correspond in number with the fixed needles b. Shifting the lower part of the drum the space of five teeth of the ratchet h, will simultaneously transfer the upper half of the drum the same distance. By the shifting of the drum for five teeth of the ratchet 71 the clutch shifting lever 0 will be simultaneously actuated toward the right hand in Figs. 1 and 13, and the rotary movement of the gears m and m and the sinker-gear 19*, will be changed to that of a to and fro movement.
The formation of the toe portion of the stocking, that is, the narrowing and widening of the same, is as described in connection with the heel portion of the stocking. In the position of the drum H, for beginning the fashioning of the toe portion of the stocking the fixed pawl 76-, will be at the right hand side of the ratchet it, and it is at a distance from the end of said ratchet greater than that of the fixed pawl 10 from the end of its ratchet on the opposite side and at the end of the ratchet 71, but similar to that of the pawl 10 It will thus be observed that at the end of the 'toe fashioning when the pawl 10, engages the said pawl'k", the drum H, will be shifted a distance corresponding to that caused by the pawl it at the beginning of the toe portion of the stocking and so as to throw simultaneously into action, the five needles at each end of the group of needles b, previouslythrown out of action.
To finish the toe portion of the stocking after the-mechanism and devices of the machine are again in position for fabricating round or tubular work, it should be borne in mind that about fifteen or more courses of stitches or meshes are formed before the machine comes to a stop in order to provide for the looping of the parts of the toe together.
In order to automatically stop the machine upon the completion ofthe several operations hereinbefore explained, the pattern chain 1", is provided with a step or projection r T is a cross-arm suitably hinged at a in a grooved lug a and extending through the same.
r, is a leaf spring normally contacting with the cross-arm r which extends in the path of the step or projection 1 This step or projection T is so arranged as that when the stocking is finished, the same will be brought into engagement with the free extremity of the cross-arm r as clearly illustrated in Figs. 1, 2, 3 and 10, to raise said arm out of engagement with the longitudinal rod r held in the guides r and T of the bed plates at and a. This rod 1' is pivotally connected with a IIO belt shifting leverr pressed outward by means of a spring 0"", which is suitably secured to the end standard A, of the machine. The cross-arm W, by rising through the instrumentality of the step or projection r engaging therewith, liberates the longitudinal rod 7", and by the tension of the spring 0"", the pivotal belt shifting lever r is shifted into such position as to cause the belt f on the fixed pulleyf, of the main driving shaft F, to be shifted onto the loose pulleyf thereby stopping the machine.
It will be manifestly obvious to those skilled in the art to which my invention appertains, that modifications may be made in the details of construction and arrangement of the parts, without departing from the spirit of the invention; and hence I do not wish to be understood as limiting myself to the precise construction and arrangement of the parts as hereinbefore explained.
Having thus described the nature and objects of my invention, what I claim as new, and desire to secure by Letters Patent, is
l. A knitting machine provided with two groups of needles, one group being fixed as to its holder and the other group having fashioning needles detachably connected to its holder and provided with spring arms having bent ends forming bits, a support or grooved cylinder, a driving shaft, reciprocating segmental needle holders alternately actuated from said shaft, and eccentrics connected with said shaft and holders for respectively actuating said groups of needles, substantially as and for the purposes set forth.
2. A knitting machine provided with two groups of needles, holders reciprocated in the direction of the lengths of the needles for elevating and depressing the groups thereof, an oscillating ring provided with teeth for closing the beards of each group of needlesras they descend and with spaces for accommodating the beards of each group of needles as they ascend, movable web-holders, and a divided spring actuated ring provided with recesses engaging oppositely disposed cams, noses or projections of said beard closing ring for operating said movable web-holders, substantially as and for the purposes set forth.
3. A knitting machine provided with two groups of needles, whereof the needles of one group are provided with spring arms bent to form bits and whereof the needles of the other group have hits, a grooved cylinder or support therefor, segmental needle holders or carriers provided with recessed or grooved seats and one of said holders or carriers having a tapering internal surface, eccentrics for reciprocating the holders or carriers of the groups of needles, and strippers for liberating the needles of the group provided with spring arms having bits from the recessed or grooved seat of their holder or carrier, substantially as and for the purposes setforth.
a. A knitting machineprovided with a cylinder having radial top notches, needles, mov able Web-holders having curved fingers, lat
eral shanks and base projections, a ring,and means for imparting vertical movement to said ring to actuate said web-holders, sub- 7o stantially as and for the purposes set forth.
5. A knitting machine provided with a slotted needle-cylinder, two groups of needles, whereof one group is fixed as to its holder and provided with base bits, and whereof the other group is provided with spring arms having bent ends forming bits, holders, a main driving shaft. eccentrics, strippers, movable web-holders having curved fingers and transverse shanks engaging the slotted portions of said cylinder, and means for actuating the same so as to engage and disengage stitches with the fingers of said web-holders, substantially as and for the purposes set forth.
6. A knitting machine provided with two groups of needles, segmental reciprocating needle-holders, web-holders, a needle cylinder provided with radial notches for the shanks of said web-holders, an oscillating beard closing ring having noses or projections, and a divided ring provided with recesses, said ring adapted to operate said web-holders, substantially as and for the purposes set forth.
7. A knitting machine provided with two groups of needles movable in respect to their cylinder or support, segmental needle holders reciprocated in the direction of the lengths of the needles, an oscillating ring provided with teeth for closing the beards of each group as they descend and accommodating the same as they ascend and having lugs, cams or projections, movable webholders and a spring controlled divided ring provided with recesses engaging the noses, lugs or cams of said beard closing ring and for operating said web-holders, substantially as and for the purposes set forth.
8. A knitting machine provided with two groups of needles, a cylinder or support there for, segmental needle holders reciprocated in the direction of the length of the needles, a ring having noses or projections, web-holders,
and a spring controlled ring provided with recesses,substantially as and for the purposes set forth.
9. A knitting machine provided with two groups of needles, whereof the needles of one group are provided with spring arms with bent ends forming bits, and whereof the needles of the other group are provided with base bits, reciprocating segmental needle-holders,
an oscillating beard closing ring, web holders, a spring controlled divided ring, strippers or carriages oscillated so as to engage and disengage said needles, and means connected with and operated from the main driving shaft for alternately and successively permitting of the actuation of said groups of needles, substantially as and for the purposes set forth.
10. A knitting machine provided with needles movable in the direction of their support, segmental needle holders reeiprocated alternately from the main driving shaft, a secengaging said cams and adapted to actuate said rack-bars controlling said strippers or carriages, and means for actuating the two part drum, substantially as and for the purposes set forth.
11. Aknitting machine provided with fashioning needles having spring arms with bits, needles having lateral base bits, said needles movable in the direction of their cylinder, reciprocating segmental needle'holders adapted to receive and support the bits of said needles, movable strippers or carriages provided with toothed peripheries, rack-bars having rolling means engaging grooved cams of a two part weighted drum, and means for positively actuating said drum sstep-bystep to throw into and out of action said fashioning needles, substantially as and for the purposes set forth.
12. A knitting machine provided with two groups of needles, whereof one group is provided with spring arms with rear bits, and whereof the other group is provided with base bits, segmental needle holders reciprocated in the direction of the length of the needles, an oscillating beard closing ring, web-holders, a divided spring controlled ring, a sinker-bed and gear and sinker-bars adapted to slacken the thread or yarn between each two of the needles of the groups as they are elevated for holding the same against accidental displacement until the thread or yarn is positively drawn off of said sinker-barsby the descent of the groups of said needles, substantially as and for the purposes set forth 13. A knitting machine provided with two groups of needles, whereof one group is provided with spring arms with bent ends forming bits and whereof the other group is provided with base bits movable within a grooved support, segmental needle holders reciprocated in the direction of'the lengths of the needles, a beard closing ring having noses or projections, movable web-holders, a spring controlled ring provided with recesses and the article being fabricated, substantially as and for the purposes set forth.
15. A knitting machine provided with two groups of needles, whereof one group is provided with springarms having bent ends forming bits and whereof the other has base bits, complemental reciprocating segmental needle-holders, strippers, movable web-holders and means for operating said web-holders in certain directions with respect to the needle cylinder for retaining and releasing the meshes or stitches of the article being fabricated, substantially as and for the purposes set forth.
16. A knitting machine provided with two groups of needles, complemental segmental needle holders for said groups, eccentrics, a driving shaft, movable strippers or carriages, movable web-holders, a divided ring having recesses, a flanged oscillating toothed beard closing ring provided with noses or projections, rack-bars having means adapted to travel in grooved cams of a sectional drum to permit of a step-by-step motion being imparted thereto, and means for actuating said drum, substantially as and for the purposes set forth.
17. A knitting machine provided with needles arranged in separate groups, whereof one group is provided with spring arms having rear bitsand whereof the other is provided with base bits, complemental segmental needle holders, movable strippers or carriages, a sectional drum with grooved cams, rack-bars adapted to actuate said strippers or carriages, and means for imparting a step by step move ment to said drum and for shifting the samea predetermined distance, substantially as and for the purposes set forth.
18. In a knitting machine, a divided spring actuated 'ring provided with recesses or grooves, an oscillating beard closing ring provided with cams or noses reversely'arranged with respect to each other, and web-ho1ders moved in a vertical direction by means of said divided ring, substantially as and for the purposes set forth.
19. A knitting machine provided with a two-part drum loosely mounted on a shaft and having a two-part jacket provided with cams, ratchets connected with one end of said drum, reciprocating pawls and devices in virtue of which said pawls are caused to impart step by step and predetermined movements to said drum, substantially as and for the purposes set forth.
20. A knitting machine provided with a sectional drum loosely mounted on a shaft having radial counterweighted spokes or arms and grooved cams, spring pressed pawls adapted to alterri'at'ely engage a ratchet of said drum, and means for actuating said pawls, substantially as and for the purposes set forth.
21. A knitting machine provided with two groups of needles, needle-holders, movableets ofsaid drum, rack-bars provided With rolls movements to said drum at the completion of the heel and toe portion of the stocking, substantially as and for the purposes set forth.
22. A knitting machine provided with two groups of needles, one group being fixed as to its segmental holder or carrier, a drum having an annular grooved cam, a roll connected with a fulcrumed lever, a horizontal shifting rod in pivotal connection with said lever, a clutch member connected with the main driving shaft of the machine, an eccentric loosely mounted thereon, and an arm for preventing rotation through friction of the eccentric, the same being operatively connected to actuate said group of needles fixed as to its holder, substantially as and for the purposes set forth.
23. A knitting machine provided with fashioning needles, a segmental needleholder, strippers or carriages adapted to be oscillated by rack-bars, a sectional counter-weighted drum provided with grooved cams disposed at substantially an acute angle to each other and adapted to alternately operate said strippers or carriages step by step a predetermined distance and to permit said strippers or carriages to throw certain of the fashioning needles successively and sim ultaneously into and out of action, substantially as and for the purposes set forth.
24. A knitting machine provided with a drum having a jacket with grooved cams, a roller adapted to engage said cams and connected with a vertical rod fulcrumed to the machine, a horizontal shifting rod in pivotal connection with said vertical rod, clutch members mounted on the main driving shaft, provisions for rotating one and reciprocating the other of said members, one of said clutch memhere being adapted to engage a gear on said shaft meshing with a mitengear wheel of a vertical shaft, a sinker-gear and a gear meshing therewith mounted on the upper end of said vertical shaft, substantially as and for the pur-.
poses set forth.
25. A knitting machine provided with a cylinder, two groups of needles, holders, a twopart drum having an annular grooved cam, a roll adapted to engage therewith, a clutch shifting mechanism actuated by said roll, gearing adapted to operate a sinkercam, strippers or carriages, rack-bars and cams adapted to actuate said strippers or carriages, substantially as and for the purposes set forth.
26. A knitting machine provided with a drum having an annular grooved cam, a ver tical lever provided with a roller, the latter engaging said cam and said lever being connected with a horizontal clutch shifting rod, a main driving shaft, clutch members and provisions for causing the rotation of one and reciprocation of the other, a gear constructed so as to be connected with each clutch member, a sinker-cam, sinker-gearing actuated by said gear to communicate rotary and to and fro movements to said sinker-cam, and means for actuating said drum, substantially as and for the purposes set forth.
esaeie 27. A knitting machine provided with a sinker bed having sinkers, a sinker gear adapted to actuate said sinkers, a vertical shaft provided at one end with a miter-gear and at the other with a gear engaging said sinker-gear, a bevel-gear mounted on the main driving shaft and engaging the miter-gear of said vertical shaft, a clutch movable on a sleeve mounted on the main driving shaft, said sleeve provided with a pinion, which latter meshes with a sector-gear connected by means of a rod and a crank with a shaft carrying a gear, which latter meshes with a gear on the main driving shaft, whereby a rotary movement of said driving shaft is transformed into to and fro movement of the sinker-gear, substantially as and for the purposes set forth.
28. A knitting machine provided with two groups of needles, whereof one group ispro-. vided with springs having bits and whereof the other group has base bits, reciprocating segmental needle holders provided with grooved or recessed seats for the bits of said needles, one of said holders having a tapering or slanting body, oscillating strippers or carriages with toothed peripheries, grooved rackbars engaging therewith, feathered brackets engaging the grooves of the rack bars, a sectional drum provided with grooved cams, means connected with said rack-bars and engaging the grooved cams of said drum for actuating said strippers or carriages, and means to impart a step-by-step movement to said drum, substantially as and for the purposes set forth.
20. A knitting machine provided with a fixed needle cylinder with radial notches, two groups of needles, web-holders with shanks and curved fingers, a flanged toothed beard closing ring with noses, cams or projections, a divided ring with complemental recesses or grooves, springs in engagement with said divided ring, and means for oscillating said beard closing ring and elevating and depress- 1 ing said divided ring, substantially as and forthe purposes set forth.
80. A knitting machine provided with needles movable in their support, segmental needle holders therefor, eccentrics for causing the alternate movements of said holders, strippers or carriages, means for oscillating the same comprising a sectional drum provided with an annular grooved cam and a clutch shifting mechanism provided with means adapted to engage said cam and to prevent rotation through friction of one of the needle operating eccentrics, substantially as and for the purposes set forth.
31. A knitting machine provided with needles movable in their grooved support or cylinder, reciprocating segmental needle holders, oscillating strippers or carriages, an oscillating beard closing ring, rack-bars engaging said strippers or carriages, a sectional counter-weighted drum provided with grooved cams, means connected with said rack-bars and engaging said grooved cams, and means ing bits and whereof the needles of the other group have base-bits, a grooved needle cylinder, complemental reciprocating segmental needle holders, strippers or carriages, rackbars, a counter-Weighted two-part drum and means for affording a step by step movement thereto, substantially as and for the purposes set forth.
33. A knitting machine provided with two groups of needles, whereof the needles of one group are provided with springs having bits and whereof the needles of the other group have bits, agrooved needle cylinder, segmental needle holders or carriers, strippers or carriages having toothed peripheries engaging rackbars provided with rolling means which engage grooved cams or jackets of a counter- Weighted two-part drum and means for imparting a step-by-step movement to said drum, substantially as and for the purposes set forth.
34. A knitting machine provided with two groups of needles, whereof the needles of the one have springs with bits and whereof the needles of the other have base bits, a fixed grooved cylinder or support therefor, complemental needle holders having recessed seats, one of said holders provided with a slanting inner surface and both of said holders provided with a removable top-plate, substantially as and for the purposes set forth.
35. A knitting'machine provided with a grooved needle cylinder for the reception of needles, a needle holder reciprocated by an eccentric mounted on the main driving shaft, and a clutch shifting rod provided with a projecting arm adapted to engage a pin connected with said eccentric, substantially as and for the purposes set forth.
36. A knitting machine provided with a shaft, a two part weighted drum, spring pressed pawls connected with the ratchets of said two-part drum and pawls connected with a cross-arm which is actuated by a crank mounted on a shaft driven'by gears from the main driving shaft, a sprocket wheel,achain with a step or projection, and means for operating said wheel, substantially as and for the purposes set forth.
37. A knitting machine provided with two groups of needles, whereof the needles of one group are provided with. curved springs and bits and whereof the needles of the other group are provided with base bits, a fixed grooved needle cylinder, reciprocating segmental needle holders, oscillating strippers or carriages, longitudinal rack-bars provided with rollers, a counter-weighted two-part drum with angular earns, a sprocket-wheel and pattern-chain with steps or projections, a spring pressed pawl connected with each part of' said drum and mechanism actuated from the main driving-shaft and adapted to be brought into engagement with said pawls so as to start the drum and to impart a stepby-step movement-thereto so as to permit of certain of said needles being thrown into and out of action, substantially as and for the purposes set forth.
38. A knitting machine provided with 1ongitudinal rack-bars with grooved channels, feathered brackets engaging therewith, rollers journaled to said rack-bars, a grooved two-part drum, and means for imparting a step-by-step movement thereto and to said rack-bars, substantially as and for the purposes set forth.
39. A knitting machine provided with needles having base-bits afforded a range of movement vertically in a grooved support, a complemental needle holder with an inner recessed or grooved seat and with a detachable plate or rim, a driving-shaft, an eccentric mounted thereon and provided with apin and a clutch-shifting mechanism provided with an arm adapted to engage the pin of said eccentric, substantially as and for the purposes set forth.
40. A knitting machine provided with a bedplate with a dish-shaped aperture, agrooved needle cylinder mounted therein, needles with curved springs and hits, a complemental needle holder with a grooved or recessed seat and with a slanting inner surface and oscillating strippers or carriages adapted to disengage said needles to permit said holders to rise free thereof, substantially as and for the purposes set forth. v
41. A knitting machine provided with a fixed needle cylinder having radial notches or slots in the top thereof and carrying a detachable ring forminga support for the sinker-bed, bars and gear, an oscillating beard closing ring having noses adapted to engage recesses of a spring controlled divided ring and to actuate the same, and web-holders engaging said ring, substantially as and for the purposes set forth.
42. A knitting machine provided with two groups of needles movable in their support, needle holders actuated from a main driving shaft by means of eccentrics, oscillating strippers or carriages, rack-bars, a sectional drum and means for imparting astep-by-step movement to said drum and strippers or carriages, substantially as and for the purposes set forth.
43. A knitting machine provided with two groups of needles, whereof the needles of one group have spring arms with bent ends forming bits, and whereof the needles of the other group have lateral base bits, means for reciprocating the same in the direction of the lengths thereof, a grooved needle cylinder, a two-part counter-weighted drum having grooved cams, rack -bars, strippers, spring pressed pawls, oneof which is arranged at the end and the other near the end of the ratchets of said drum, and fixed pawls arranged oppo-
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110077639A1 (en) * 2009-09-29 2011-03-31 Vivant Medical, Inc. Flow Rate Monitor for Fluid Cooled Microwave Ablation Probe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110077639A1 (en) * 2009-09-29 2011-03-31 Vivant Medical, Inc. Flow Rate Monitor for Fluid Cooled Microwave Ablation Probe

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