US834763A - Knitting-machine. - Google Patents

Description

N0. 834,763. PATBNTED OCT. 30, 1906.

R. W. SCOTT. yKNITTING MACHINE.

APPLICATION FILED Nov.24, 1905.

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N0.,.8()4,763.v PATENTED OCT. 30, 1906. R. W. SCOTT. KNITTING MACHINE.

APPLICATION FILED N ov.24.1905.

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110.334,763. PATENTED 00T. 4so, 1906. 4 R. w. SCOTT. f

KNITTING MACHINE. APPLICATION FILED NOV.24,1905.

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KNIlTING MACHINE.

APPLICATION FILED NOV.24.1905.

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R. W. SCOTT.

. 110.834,763. PATENTED 00T. so, 1906.

KNITTING MACHINE. APPLIUATION FILED NQv.24.19o5.

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I ATENTED OCT. 30, 1906. R. W. SCOTT.

KNITTING MACHINE.

APPLICATION FILED NOV.24. 1905.

16 SHEETS-SHEET 6.

No. 834,763. PATENTED OGT. 30, 190-6.

`R W. SCOTT.l

KNITTING MACHINE.

PPLIOATION FILED NOV.24.1905.

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PATENTED 00T. 30, 1906.

APPLIOA'IION FILED NOV.24. 1905.

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PATENTED OCT. 30, 1906.

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' No. 834,763. PATENTED OCT. 30, 1906.

R. W. SCOTT. KNITTING MACHINE.

APPLICATION FILED NOV-24. 1905.

1 6 SHEETS-SHEET 10.

a W o0. ou 9 m wm No. 834,763. PATENTED OCT. 30, 1906.

R. W. SCOTT.

KNITT'ING MACHINE.v

APPLICATION FILED NOV.24. 1905.

16 SHEETS-SHEET 11.

No. 834,763. PATBNTBD 00T. 3o, 1906.

n R. W. SCOTT.

KNITTING MACHINE.

APPLICATION FILED NOV'. @.1906.

16 SHEETS-SHEET l2.

Noflms. PATENTED OCT. so, 1906.

R.. W. SCOTT. f

KNITTING MACHINE.

APPLICATION FILED NOV.24, 1905.

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/zzfbg'g Nb. 834,763. R W SCOTT KNI'ITING MACHINE.

APPLICATION FILED NOV.24, 1905. l

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R. W. SCOTT. KNITTING MACHINE.

APPLICATION FILED NOVf24, 1905.

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' Leeds Point, Atlanticcounty, New Jersey,

' teras, for instance,l from rib-stitch webv tov lUNITED sTATEs PATENT .oFFieng .ROBERT ZW. SCOTT, OF .LEEDSvPOIN'L NEW JERSEY, AVSSIGNO'R .'(IF'ONE- g HALF TO lLOUIS NQ D. 'i WILLIAMS, OF OGONIZ, PENNSYLVANIA.

' y'yeKNITrINGflvmlQHINE.1

No. 834,763.. p l

To au whom it may i y i `Be it known that I, RoB-ERTW. citizen of the United States, residing lin have invented certain Improvements in Knitting-Machines, of whichthe. following is a specification.

,The object of my invention istodso-construct a'knitting-machine `that the web produced thereon may be changed in characplain-stitch web, or vice-versa, the 'plainstitch web having either the same ora lesser number of wales than the vribbed web, or if.y

the web is ribbed throughout the character of the rib or the number of wales in the web may be varied, these operations being readily effected by movements of. the needles ,and without stopping the machine or requiring the intervention of the attendant-,the invention being therefore especially applicable to automatic machines for the production of hosiery.

In the accompanying drawings, Figure 1 is a view, partly in elevation and partly in verf tical section, showing those portionsof the knitting-machinev to which my invention particularly relates. Fig. 2 is 'a' view, partly in side elevation and partlyv in section, showing parts of the machine located above those representedin Fig. 1. Fig. 3 is a side eleva'- tion ofthe cylinder-needle-actuating cams of thel machine develo ed ina flat plane. Fig. 3, is a sectional view il ustrating devices for operating a certaincam of the cam-cylinder. Fig. 3b is ay face. view illustrating a modified arrangement of certain cams of the cam-cylinder. Fig. 4 is a sectional plan viewl on the line w a, Fig. 2. Fig. 5 is a' sectional plan view on the line b b, Fig. 1.- Fi 6 isa-sectional plan view on the line c c, i'g.1'. Fig. 7

is a sectional plan view on the line d d, Fig. 1,

certain ofthe arts shownin the latter figure being omitted). .'Fig. 8 i is a lsectional plan viewon the line c e, Fig. 1. Fig. 8a is a view similar'to Fig. 8, butshowing a'disposition of the` cams diering from thatin said figure.I

Fig. 9 is a sectional plannview of' a needleshogging device employedin connection with the machine for producing certain classes of work. Fig. 10 isa side elevation of the same.

Fig.` 11 is a vertical section of a modified form of shoggingdevice. Fig. 12 is a sectional plan SCOTT, ak

Patented 'o c't. 3o, 190e. i

View of a portion of `the same. Figi-13 is a .view similar to Fig. 11, but illustrating still another form of needle-shogging device. Fig.

14is a plan view of av part of the same. Fig.

15 is an `inverted plan view of a modiiied form of lcam-ring operating in conjunction with dial-needles of the machine. F10'. 1 6 is a similar view of still another modifie form of said ring. Figs. 17 to 20, inclusive, are side elevations showing the different types of cylinderneedles. Fig. 21 isl a view similar `to. Fig. 8, but showing a ydifferent arrangement of cams.

Fig. 22 isa vertical sectional view of part of the machine, showing the method of transferring'a stitch from a c linder-needle to a dial-needle. Figs- 23 an 24 are views illustrating the .operation of -a certain latchopener em lloyed in connection with the cylinder-need es. Fig.'25.is aview, partlyinvertical section and partly in elevation, of means for moving certain of the dial-needle-operating cams. Fig. 26 is a sectional view showing an arrangement of dial-needles for producing a certainkind of web. Fig. 27 is a side view, v

cfa special needle for like use. Fig. 28 is a sectional view showing the cylinder and dial needles and'. illustrating shog'ging devices'in connection with the c l1linder-needles.v Figs.

29 and 30 are views s owing, on an exaggerated scale, a set ofcylinderv and dial needles with stitches upon them and illustrating different methods of transferring stitches.' Figs. 31 to 34 are views illustrating how stitches are transferred from needle to needle in accordance with ymy invention, and Fi s. 35 to are views showing arrangements o needles for producing some of themany different forms of fabrics for whosel production the machine is available. Fig. 51 is a view similar to'Fig. 6, but showing a modified arrangef mentoflneedles in the dial and 52-is a view showing a modified construction of the shogging-wheels illustrated in Fig. 9.' Figs.

1 `150.8, inclusive,- 8, 21, and 25 are upon a r smaller scale than the remaining figures.

In Fi 1 of the drawings, 1 represen'tsthe,c

'-iix'e'd ta le or bed of the machine,having depending r `mounted,so as to be free to rotate, a spurwheel to rotateupon the sleeve, continuous rotative movement in one-direction being imparted to the spur-Wheel 3 and back-and-forth' move`- I OO l bearings for a shaft 2, on which are* 3v anda sleeve 4, with' spur-wheel 5, free i ment of partial rotation beingimparted to the i spur-wheel by any of the Jforms of mechanism common for this purpose in ordinary knitting-machines Sliding on but s lined to the shaft`2 is a clutch-sleeve 6, which may be moved into engagement with a clutchingface on the spur-wheel 3 when it is desired to rotate the shaft 2 in one direction or into engagement with a clutch-face on the spurwheel 5 when it is desired to impart backand-forth movement of partial rotation to'.

'the shaft. Secured to the shaft 2 is a bevel- Wheel 7, meshing with a v bevelinion 8, which is secured to a vertical tubu ar sleeve. 9, and upon the latter is mounted a needlecylinder 10, which engages the sleeve 9, so as to turn therewith, but is free to move vertically thereon to a limited extent in order to vary the ,draftl of the cylinder-needles below the top of the cylinder, and thereby govern the slackness or tightnessI of the stitch produced, it being understood that the cylinderneedles are operated by camscarri'ed by a cylindrical cam-carrier 11, which is secured to the bed or table 1 and occupies a fixed vertical relation thereto.

The cylinder is" provided with ordinary needles 12, Fig. 17, and'other n eedles 13,

luponby the knitting-cams of the machine, while the needles 12 and 13 on the remaining half of the cylinder have longer buttsv16, as shown in Figs. 18 and 20, and certain of theneedle-jacks 14 have short butts 17, (see Fig. 19,) while the others have longer butts 18, as illustrated in Fig. 20. A

The cam-carrier 11 has, as shown in Fig. 3, lift-cams 20., 21, and 22, depressing- cams 23 and 24, a sliding toe-cam 25, yielding camgates 26, lifting-pickers 27, and depressingypickers 28, all of which are common in ordinary machines for making hose with seamless heel and toe pockets thereon, and said vcam-carrier also has the usual cams 30 and 31, the former for raising out of action the needles having long butts 16 before beginning `the formation of the heel oritoe pocket by back-and-forth knitting upon the remaining needles and the cam 31'being intended Jfor restoring to action after the completion of the heel or toe pocket, said needles having long butts 16. f

I n addition to the usual earn formation the `cam-.box 11 has' three cams 32, 33, and 34,

which act upon the` butts of the jacks 14.

pendently of this drivi `to adjustA the dial-need es circumferentiall in respect to `the cylinder-needles, such a `In -the normal operation of the machine for producing ribbed fabric all of the needles 13 are lowered in the needle-cylinder, so that their butts 15 and 16 -are below and out of range of the knitting-cams, said butts traveling 1n a raceway 35 and the butts of the jacks traveling on the supporting-ledge 36 of the cam-box. needles 13 into action, however, they are irst raised and then slightly depressed by the action of the cams 32 and 33 upon the jackbutts,so that they can engage with and receive stitches from. the dial-needles, this -movement bringing the butts 15 andlv of' said needles 13 into range of the knittingcams, and thereafter in the operation of the machine .stitches-are formed upon said needles, as well as upon the ever-active needles 12 ofthe machine. When it is desired to again put the cylinder-needles 13`out of ac-l tion, the cam 34 is moved into the path of the jack-butts and acts upon the same to depress 1the needles 13 and cause them to cast their stitches, the butts 15 and 16 of said needles finally resuming their former position in the race 35, where they will be free fromthe action of the knitting-cams.

.The dial-needles 40 o erate in conjunction with a suitably-groove dial 41 and are'pivotally mounted upon a 'sleeve 42, bothdial and sleeve being secured to a central vertical tubular shaft 43, the ylatter passing through a fixed hub or bearing 44, forming part of a' cross-arm 45, which is mounted upon the top ofv a standard 46, secured to and projecting upwardly from the xed bed or .table 1 of the machine, Figs. 1 and 2. Secured to the upper end of the tubular shaft 43 is a spurwheel 47, Fig. 2, which meshes with a spurpinion 48, carried by the upper end of a vertical-shaft 49, the latter being adapted to a When it is desired to bring these IOC IOS

bearing at the outer end of the cross-arm 45 and also to a bearin in the iixed bed 1 of the machine, said shaft aving a spur-wheel 250, which is in mesh with a spur-wheel 251, formed upon the peripheral portion of the bevel-wheel 8. Hence the needle-cylinder 10 .-and dial 41 'of the machine are caused to rotate in unison. The dial can, however, be turned to a slight extent about its axis indeconnection in order arms, of a forked. sleeve 254, secured to, the

shaft 49, so that by slackening one of these set-screws and screwing up on the other the position of thespur-pinion 48 in respect to the shaft 49 can be slightly changed, with the effect of corres ondingly changing the position of the dial) 41in respect to the needlecylinder io, Figs. 1 2, @d 4.- The dal 41 can also be raised and lowered to a limited extent in respect to. the cylinder, `a ring 255 being mounted so as to be free to turn on the shaft y43, the upper face of this ring bearing upon the top of the be'arin 44 on the .crossarm 45,'but'ca`n by a slig t turning movement of the'ring 255 be caused to engage with cams 257l on said bearing, -thus lifting `to any desired extentl the dial and partscooperating therewith, Fi s. 2 and 4.

Each dial-needle 40 orrns part of an 4upwar'dly-'bent jack 50, which is guided in-upcams being shown 1n Fig. 8 and 'comprising per. and lower grooves or slots in the sleeve 42 and at an intermediate pointl is pivoted to the sleeve, as by E curved portionw ich is adapted 'to a correspondlngly-curved seat in the-sleeve.v (See Figs. 1, 1-1, and 13.) The jacks are normally retained' in engagement with the sleeve 42 by means of la surrounding coiled spring 51, which is heldin place by a sectional' clampring 52, Figs. 1 and 11, the latter also serving as an outboard-bearing for the jacks 50.

Resting upon the to of the sleeve 42 is a dial-cam ring 53 which carries the cams for operating they dial-needle jacks 50, these a pivoted swinging cam 54 for projecting the tracting the said dial-needles, and a series of dial-needles in knitting, a v'canti 55 for relguard-camsf56, 57, nd 58,l the course of the needle-butts when the dial-needles are being actuated so, as to knit bein represented in Fig. 8a. The purpose of ma {ing'the cam 54 adjustable is to beable to retain the dial-needles in the retracted position for one 'ormore courses when it is desired to form a welt upon i .the knitted tube. l I j In addition tothe cams already enumerated-the cam-ring 58 has4 a pair of cams 60 and 61 and an intermediate cam 62, said cams 60 and 61 being vertically guided in the back of the cam-ring, whereby they can be Iss depressed vin order to engage the upper ends ofthe jacks or can be raised so as to be freefrom'engagement therewith. l,

The jacks 50 are- 0f different lengths, as

showninFig. 1; Hencethe cam 60, which acts u on said jacks to effect roj'ection vof the kdlal-needles, may be iirst epres'sedl to such a position as to actonly `upon the 4longer jacks and'may then be further depressed in order to act upon the shorter jacks as well.

The character of the cam is such that when it is vacting upon the jacks v50asshown in Fi 21, the dial-needles 40 willgbe projecte to a greater extent than at any time during the knitting operation, and will lthere,- fore draw stitches of the web of fabric produced upon Said dial-needles outwardly to a position above the cylinder-needles, and the roviding the jack with .a

stitches thus drawn into abnormal relationwith the cylinder. V

Fig.

Without projection of a needle or needles in advance of said abnormally projected needle to a point short of the transfer-point, but

'beyond the clearing-point-that is to say,

with the stitch slipped, back of the latch-*for if any such needle or needles is thus partially projected it will on bein subsequently retractedcast itsl stitch without transferring the same andl will thus cause av drop-stitch or defect in the work. For this reasonjacks of different lengths are employed, and the projecting cam 60, while loccupying a position above the short jacks, is depressed to such an extent as to be in position to engage the long jacks. Consequentlythe projection of the dialneedles begins 4with that having the first long jack, the shortjacks in advance of the same not having been acted uponby said cam 60.

'latter may then be caused to "engage the As soon, however, as the cams 60 61 are in with the long jacks, as, shown in Fig.' 21 lthey canbe further depressed, so as to be in osition to engage the shortjacks as well. ence rotation all Vof the dial-needles will have been projected to the transfer-point.

engagement throughout theirentire length .by the time that the dial has completed afull yWhen the projecting-cam 60 is first'de pressed, the retracting-cam 61. isalso delong jacks, andit follows the further depression of the cam 60, so as to act upon the short jacks. Therefore each dial-needle as soonas it. has transferred a stitch to the ,corresponding c llinder-needle will be retracted and cast the stitch from it, and the jacks will thenbe directed to the outside of the cam 58 and pressed to suc-h an extent as to act upon the also to the outside of a cam 63, the effect being to retain the dial-needles in ay fully-retracted ositionat the knitting-point, with ther,l stitches formed upon them until it is again desired to bring them into action', whereupon the cams 60 and 61 are raised out of the path of the jacks 50. v

Fi 21 shows both of the cams 60 and 61 in the epress'ed position, so as'to act upon the jacks 50 to project the dial-needles to the transfer-point and then retract them, and Fig. 8 shows the cam 60 retracted to clear the IIG the resu t that saidrneedles will have-.no fur- IIE jacks 50 the cams 61 remaining in action and il I all of the dial-needles being retracted to permit of the knitting of plain web upon the cylinder needles. In Figs. 8', 8, and 21 the long-jacks are shaded and the short jacks are un'shaded. f

For the purpose of beginning the projection of the cylinder-needles at a certain needle of a set corresponding to the dial-needle `which is to transfer its stitch thereto the dial-need jacks which control the needle 13 are provided with the short and long butts 17 and 18, and thecam 32 acts upon these long and 4short butts in the same way that .the cam 60 acts upon the long and short jacks. It is preferable that the jacks having the long butts 18 shall be those of the needles 13, which have long butts 16, these needles, together with the long-butt needles 12, being grouped around one-half of the cylinder and acted upon by the cams 30 and 31 of the camboX, and the long jacks 50` of the dial-needles y.

are correspondingly arranged in order that the transfer of stitches may begin on a wale corresponding with or adjoining that yat the beginning of the heel-pocket upon 'the knitted tube.

As shown in Figs. 1 and 6, there arejust half as many dial-needles as there are cylinder-needles in the machine-that is to say, the needles 12 and 13 are arranged in regular alternation in the needle-cylinder and there is a dial-needle 40 directly in line with each cylinder-needle'13. Hence if the cylinderneedles 12 are out of. action and are retained in their retracted position a one-and-oneri web will be roduced-that is to say, a web in which sing e cylinder-needle wales and single dial-needle wales alternate regularly with one another. lf, however, dial-needle stitches are -transferred to the before inactive cylinder-needles 13, (the latter are put in operation and the dial-needles are moved out of operative position and retained in such inopative position,) plain web will be produced upon all of the cylinder-needles, said plain web having as many wales of stitches as were formerly contained in the ribbed web. This is what l term a straight transfer. If the ribbed web is to contain a greater number of wales than the plain web, there will be al greater number of dial-needles than when the two webs have the same number of wales, and the stitches will be transferred from these excess dial-needles either to formerly-active or formerly-inactive cylinder-needles,depending upon circumstances. In the case of a uniformly-ribbed web-such as one having a oneand-one rib, a two-and-two rib, or the likethe number of dial-needles will exceed onehalf the number of cylinder-needles, the excess dial-needles working in radial planes which do'not register with the vertical planes of the cylinder-needles and in some cases more than these excess needles maybe thus disposed. l. therefore Iprovide meansY for shoggin or moving laterally such of the Fes as are not normally in register with cylinderneedles in order to bring them into such-relation with the cooperating cylinder-needles that stitches may be transferred from one to the other. Various forms of shogging mechanism for this purpose will be hereinafter described. This feature of desired result is shown in`Fig` 3b. -construction the lower cam 32, which acts my invention may be embodied in a machine in which there are no inactive cylinder-needles at any stage of the knitting operation. For instance, the machine may have one hundred cylinder-needles and one hundred dialneedles so disposed that thel one-and-oneribbed fabric produced will have two hundred wales of stitches, each dial-needle transferring a stitch to and doubling it with the stitch u on an adjoining cylinder-needle to produce a p ain web having but one hundred wales of stitches.

Usually, however, the transfer will be either a straight transfer from each dial-needle to a hitherto inactive cylinder-needle, as before described, so as to produce a plain web having as many wales as the ribbed web or a transfer which is artly a straight transfer and partly a doub lng transfer, the latter term meaning a transfer from one needle to another needle which already has a stitch upon it.

- In order to transfer a stitch to an evertransfer-point to receive the stitch; but it ,active needle, the latter will be raised to the must not thereafter be inoved'to inactive position, as are the intermittently-active needles. One method of accomplishing the In this upon the butts of the jacks 14, does not lift ,the latter sufficiently to raise the needles 13 to the transfer-point, this duty being performed byan upper cam 32, which acts upon the butts of the partially-raised needles and completes the raisin of the same. A cam 33 cooperates with t iis cam 32 for the performancevof the same duty as the cam 33 in the construction shown in Fig. 3. A cam 33b acts upon the butts of the ever-active needles 12 in order to de ress the same prior to their ree'levation to t e transfer-point by the cam 32a after the dial-needles have been properly projected -above the same. As the ever-active needles have no depending jacks, they will of course be free from the influence of the cam 34, and hence will not at any time be retracted to inactiveposition thereby. The cam 33b can be projected and retracted in the same manner as the cam 32, although it is by preference independent thereof. tlt may, however, be under the `same control as the shogging-wheels, hereinafter referred to.

LOO

tracted, it will crowd past the projected cylinder-needle and Ain casting its stitch will transfer or deliver the same to said projected `cylinder-needle, asshown in Fig. 32, or if it is not desired to thus crowd one needle past the other either the cylinder-needle or the dial-needle may be shogged before such retraction of the dial-needle. j

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