US556968A - Shuttle-box-operating mechanism for looms - Google Patents

Shuttle-box-operating mechanism for looms Download PDF

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US556968A
US556968A US556968DA US556968A US 556968 A US556968 A US 556968A US 556968D A US556968D A US 556968DA US 556968 A US556968 A US 556968A
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shaft
wheel
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crank
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D43/00Looms with change-boxes

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  • the object of my invention is to provide a shuttle-boX-operating mechanism for looms of simple, strong, and durable construction, reliable in operation and not liable to get out of order.
  • the invention consists in the improved shuttle box-operating mechanism, its liftinglcvers controlling cam-groove wheels, in the means for operating and controlling the said cam-groove wheels, and in the combination and arrangement of the various parts thereof, substantially as will be hereinafter more fully described, and finally embodied in the clauses of the claim.
  • Figure 1 is a side elevation of a loom provided with my improvements, only those parts of the loom and of the said improvements being shown which are necessary to fullyillustratc the nature of my invention.
  • Fig. 2 a diagrammatic view showing the movements of the shuttlebox-operating levers;
  • Fig. 3 an enlarged detail view of the upper set of cam-groove wheels (controlling the movement of the upper sh ut-tle-boX-operatin glever) and its operating mechanism;
  • Fig. 4 a sectional view on the line (a .1 of Fig. 3, looking in the direction. of arrowR;
  • Fig. 1 is a side elevation of a loom provided with my improvements, only those parts of the loom and of the said improvements being shown which are necessary to fullyillustratc the nature of my invention.
  • Fig. 2 a diagrammatic view showing the movements of the shuttlebox-operating levers;
  • Fig. 3 an enlarged detail view of the upper set of cam-groove wheels
  • FIG. 5 a sectional view on the line 3 y of Fig. 3, looking in the direction of arrow B;
  • Figs. 6 and 6 detail views similar to Fig. 4, illustrating the cam-groovewheel-operatin g mechanism in two successive working positions;
  • Figs. 7 and S enlarged detail views of a certain operating angle-le ver, hereinafter more fully described.
  • i) and 10 are enlarged detail views of the pattern-chain-operating mechanism, as shown in Fig. 1; and Fig. 11, a detail view of the preferred form of said patternchainoperating mechanism.
  • a represents the loomframe, in which is arranged the dri ving-shaf t c, transmitting its motion through crank c and pitm an o to the lay or batten 6, supported by swords (Z, the latter fulerumed, as at d, to the loom-frame.
  • the shuttle-boxesf carried by rods f, each of which rods is guided by the block 61 secured to the lay-sword and is surrounded by a spiral spring f bearing with one end on said block (1' and with its other end on the nut or collar f secured at or near the lower end of the rod f, all said parts of the usual well-known construction.
  • a feather j On the shaft 0 (see Figs. 1, 9, and 10) is splined, by means of a feather j, a grooved collar j, carrying the two radial arms j arranged diametrically opposite each other and provided at or near the outerends with wheels or rollers j adapted to engage the curved portion of angle-lever j, and thus to operate the same.
  • the annular groove of the collar j is engaged by the forked portion of thc fulcrumed angle-lever which latter is operated through cord j from the Jacquard machine in the ordinary manner.
  • the shaft 0 is surrounded by a spiral spring j, bearing with one end on the grooved collar 7' and with its other end on a collarj firmly secured to the shaft 0.
  • the spring being com pressed, angle-leverj on being released, will force the collarj outward on shaft 0 and thus the rollers j out of the path of the angle lever j.
  • the said lever j is fulerumed, as at j, to the loom-frame and is controlled by a spring
  • To the free end of the shorter arm of said angle-lever is pivotally secured a spring-controlled pawlj adapted to engage the teeth of the ratchet-wheel a and thus to operate the same.
  • the ratchet-wheel a is mounted on shaft of, supported by frame a and also by a bracket-frame a. 011 said shaft is firmly secured the sprocket-wheel a carrying the patternchain and adapted to operate the levers h 72-, pivoted with one end to a stubshaft a and provided at their other ends with -rically opposite each other.
  • bracket-frame a To the bracket-frame a is also secured edgewise a flat but curved spring a adapted to rest with its curved .portion between adjoining rollers of the pattern chainp and thus to hold the said pattern-chain and its. sprocket-wheel in position whenever the shaft a has been turned the required distance by means of the 1'atchetwl1eel a and its opcrating-pawl.
  • Said pins o-are adapted-to be operatedthat isto say, pressed outward beyond the outer-face of-therim of wheel Z by levers 0, each of which is controlled by a spring 0 and is pivoted, as at o to a bracket of the circular frame 0 arrangedinrear of thewheel b and parallel therewith and secured to the loom-frame bybolts or in any desired manner.
  • levers 0 pivoted .to their respective brackets and arranged diamet-
  • Each of said levers is segment-shaped, as clearly shown in Fig. 3, and thus covers thepath of the pins owhen the wheel Z) is rotated.
  • the freeend of eachlever which is curved.
  • Said arm 0 is adapted to be thrown out of thepath of the curved end 0 of lever 0 by means of the pins 0 which latter are firmly secured to the inner side of the rim of will only engage the hinged portion 0 of the angle-lever when the-latter has been operated by its respective cord and thus has operated the lever o.
  • the pins 0 Whenthe :hinged portion 0 against'the action of its flat spring 0 has been forced outward by the pin 0", it will bear against the curved end of lever 0, which by that time has returned by action of spring 0 to its normal position.
  • the shafts a (L a and a", which are arranged diametrically opposite each other and about opposite the middle of the levers 0.
  • a wheel b b 6* and I On each of these shafts is secured a wheel b b 6* and I), respectively, provided at its outer periphery and at regular -intervals'with a series of eight notches m with flaring mouths m, adapted to be engaged by the pins 0 of the wheel I), (when said pins are operated,) and thus to be rotated one-eighth of a revolution.
  • a a and a On the outer face of each wheel a, a a and a is arranged an endless cam-groove consisting of four concave and-four convex curves m and m arranged alternately and-symmetrically and in such amanner on-the wheelthat the culminating point of each curve is on a radius midway between each -two adjoining notches.
  • each endless cam-groove is arranged and adapted to be operated thereby a pin g g, Q12 and g, respectively, guided by the vertically-arranged slots of the brackets a, secured to the circular frame o or to the loom-frame a in any-desired manner, only two of said slotted brackets beingshown-in the drawings. (See Fig. 3.)
  • the pin is firmly secured to the lever g, while the pin 9 is adapted to operate in the elongated slot g arranged in the free end of-said'lever g, the other end ofwhich is'connected by the link with the collar f on the shuttle-boX-supporting rod f.
  • lever 9 which is adaptedto operate, throughshaft 9 the shaft g To the opposite end of said shaft is secured the lever 9 (shown in dot ted lines in .Fig. 1,) and which lever through a connection similar to link f operates the shuttle-box-supporting rod on the opposite end ofthe loom.
  • the pins g g, andg may, if desired, be surrounded by a-small cylindrical sleeve to reduce the friction during the operation.
  • Toeach bracket n is also secured in any desired manner a spring n, carrying at its free end a brake-block n adapted to rest in he notches m of its respective wheel when the same has been rotated the required distance-that is to say, one-eighthof a revolution.
  • the cord j is drawn upward by the jack or hook of the machine, and through the angle-leverj engaging the annular groove of collar the said collar and its arms 9' and rollers j are moved into the path of lever
  • One of the rollers j (as the collar 7' is continually revolving with shaft 0) will strike the curved portion of pivoted angle-lever and thus operate the said angledever, and through its pivoted pawl j engaging the teeth of ratchet-wheel a, will rotate the shaft 64 the required distance, (in the drawings one-eighth of a revolution.)
  • the sprocket-wheel a is thus revolved, operating the pattern-chain until one of its rollers comes under and lifts one of the levers h h.
  • Fig. 1 of the drawin gs is illustrated the position of lever g when the first compartment of the shuttle-box (from the top) is brought opposite the lay or race and ready to discharge its shuttle. Supposing that the second shuttle from the top (see also the upper portion of diagrammatic view of 2) is called for after the first shuttle has performed its operation, the lever h is raised by its respective roller of the patternchain, thus lifting through its cord connection the an gle-lever 0 (corresponding with cam-groove wheel b and the latter in turn depressing the lever 0.
  • the spring-controlled headed pin 0 carried along by the wheel I) (revolving in the direction of arrow Q, Fig.
  • the mode of operation of the lower camgroove wheels 12* and b and the connecting lever g is the same as that of the upper series, except that they are operated through cords q? and i connected to a second set of treadle-levers similar to the levers h and h.
  • the lever g operates, through crank 9 shaft 9 and lever 9 the shnttle-box-supporting rod on the opposite side of the loom.
  • Fig. 11 of the drawings I have illustrated a modified form of device for operating the sprocket-wheel a on shaft a
  • a gear-uheel "r" meshing with a gear-wheel r on shaft 7
  • Said gear-wheel r is one-half the diameter of the gear-wheel T.
  • an eccentric 7" provided with an arm r having a pawl-shaped end and on its under side a cam 4" and being controlled by a spiral spring 1.
  • Pivoted to the loom-frame, as at r" is the an gle-lever r controlled by spring r and connected with one arm through cord j G with the Jacquard mech anism.
  • the other arm of said angle-lever?" is provided with a roller 7'" adapted to bear on the under side of the arm r which latter with its pawl-shaped end engages the teeth of the sprocket-wheel a
  • the cord 3' is lowered and the angle-leverr by the action of the spring 0', is brought under the cam r of arm 0", thus raising the arm out of engagement with the teeth of the sprocket-wheel a and thus preventing the shaft a from being rotated.
  • the angle-lever r is returned to its normal position and the pawl-shaped end of arm r again thrown into engagement with the teeth of the sprocket-wheel, as will be manifest.
  • crank-shaft of its respective disk the camgroove of each .disk being, adapted to engage its respective pin of the lifting-lever, :and
  • the shuttle- :box-tlifting lever aseriesof pins on said liftiing-lever, each ofsaidpins being adapted to beiengaged ,bythecamegroove of its respective disk, afixed guide-bracket for each pin, and means forintermittingly transmitting the ,motion of therevolvingshaft 'to said cranknately and symmetrically with relationto the crank-shaft of its respective disk, the shuttlebox-lifting'lever, a series of pins on said liftving-lever, each of said pins :being adapted to be engagedby the cam-groove of its respective disk, a fixed guide-bracket for each pin,
  • cam-grooves means for bringing said pins into the notches of said disks and a spring-controlled, brake-block for each disk and adapted to engage the notches of the same and to thus hold its respective disk in position after it has been rotated th e required distance, all said parts, substantially as and for the purposes described.

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  • Textile Engineering (AREA)
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Description

N0 ModelJ- 3 Sheets-Sheet 1.
A. GARTNER. SHUTTLE BOX OPERATING MECHANISM FOR LOOMS;
Patented Mar. 24, 1896.
iNVENTOR ATTORNEYS ANBREW B GRANAM.PHO'TD-UTHO.WA5XHN 810N116 (No Model) 3 Sheets-Sheet 2 A. GARTNER. SHUTTLE BOX OPERATING MECHANISM FOR LOOMS.
No. 656,968 Patented Mar. 24, 1896.
Hi 4y,
(No Model.) 3 Sheets-Sheet 3.
A. GARTNER. SHUTTLE BOX OPERATING MEGHANISM FOR LOOMS.
No 556,968. Patented Mar. 24, 1896 INVENTOR WITNESSES:
BY MA ATTORNEYS MIDI!" B GIAMMAHOTOUTHOAIAQHNGTUN .DC
UNITED STATES PATENT EEicE.
ALFRED GARTNER, OF NEW ARK, ASSIGNOR TO ROBERT ATIIERTON, ()F PATERSON, NEXV JERSEY.
SHUTTLE-BOX-OPERATING MECHANISM FOR LOOMS.
SPECIFICATION forming part of Letters Patent No. 556,968, dated. March 24, 1896.
Application iileri July 30, 1895.
T 0 all whom it may concern:
Be it known that I, ALFRED GARTNER, a citizen of the United States, residing in Newark,county of Essex,and State of New Jersey, have invented certain new and useful Improvements in ShuttleBox-Operating Mechanism for Looms; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters of reference marked thereon, which form a part of this specification.
The object of my invention is to provide a shuttle-boX-operating mechanism for looms of simple, strong, and durable construction, reliable in operation and not liable to get out of order.
The invention consists in the improved shuttle box-operating mechanism, its liftinglcvers controlling cam-groove wheels, in the means for operating and controlling the said cam-groove wheels, and in the combination and arrangement of the various parts thereof, substantially as will be hereinafter more fully described, and finally embodied in the clauses of the claim.
Referring to the accompanying drawings, in which like letters of reference indicate corresponding parts in each of the several views, Figure 1 is a side elevation of a loom provided with my improvements, only those parts of the loom and of the said improvements being shown which are necessary to fullyillustratc the nature of my invention. Fig. 2 a diagrammatic view showing the movements of the shuttlebox-operating levers; Fig. 3, an enlarged detail view of the upper set of cam-groove wheels (controlling the movement of the upper sh ut-tle-boX-operatin glever) and its operating mechanism; Fig. 4, a sectional view on the line (a .1 of Fig. 3, looking in the direction. of arrowR; Fig. 5, a sectional view on the line 3 y of Fig. 3, looking in the direction of arrow B; Figs. 6 and 6, detail views similar to Fig. 4, illustrating the cam-groovewheel-operatin g mechanism in two successive working positions; Figs. 7 and S, enlarged detail views of a certain operating angle-le ver, hereinafter more fully described. Figs.
Serial No. 557,614. (No model.)
i) and 10 are enlarged detail views of the pattern-chain-operating mechanism, as shown in Fig. 1; and Fig. 11, a detail view of the preferred form of said patternchainoperating mechanism.
In said drawings, a represents the loomframe, in which is arranged the dri ving-shaf t c, transmitting its motion through crank c and pitm an o to the lay or batten 6, supported by swords (Z, the latter fulerumed, as at d, to the loom-frame. At each end of the lay are arranged the shuttle-boxesf, carried by rods f, each of which rods is guided by the block 61 secured to the lay-sword and is surrounded by a spiral spring f bearing with one end on said block (1' and with its other end on the nut or collar f secured at or near the lower end of the rod f, all said parts of the usual well-known construction.
On the shaft 0 (see Figs. 1, 9, and 10) is splined, by means of a feather j, a grooved collar j, carrying the two radial arms j arranged diametrically opposite each other and provided at or near the outerends with wheels or rollers j adapted to engage the curved portion of angle-lever j, and thus to operate the same. The annular groove of the collar j is engaged by the forked portion of thc fulcrumed angle-lever which latter is operated through cord j from the Jacquard machine in the ordinary manner.
The shaft 0 is surrounded by a spiral spring j, bearing with one end on the grooved collar 7' and with its other end on a collarj firmly secured to the shaft 0. The spring being com pressed, angle-leverj on being released, will force the collarj outward on shaft 0 and thus the rollers j out of the path of the angle lever j. The said lever j is fulerumed, as at j, to the loom-frame and is controlled by a spring To the free end of the shorter arm of said angle-lever is pivotally secured a spring-controlled pawlj adapted to engage the teeth of the ratchet-wheel a and thus to operate the same. The ratchet-wheel a is mounted on shaft of, supported by frame a and also by a bracket-frame a. 011 said shaft is firmly secured the sprocket-wheel a carrying the patternchain and adapted to operate the levers h 72-, pivoted with one end to a stubshaft a and provided at their other ends with -rically opposite each other.
more fully described.
cords or wires '13, t", i and i which latterare connected with the shuttle -boxoperating mechanism, as will be hereinafter more fully described. To the bracket-frame a is also secured edgewise a flat but curved spring a adapted to rest with its curved .portion between adjoining rollers of the pattern chainp and thus to hold the said pattern-chain and its. sprocket-wheel in position whenever the shaft a has been turned the required distance by means of the 1'atchetwl1eel a and its opcrating-pawl.
On the shaft b, which'has.itsbearings inthe:
loom-frame and which receives its revolving motion from driving-shaft 0, (through a train of gear-wheels arranged on the opposite side ofthe'loom, as in the ordinary manner, and
which therefore is notillustrated in the drawin gs,-) is secured-the wheel or disk I), provided at the inner side of its rim with four headed pins 0, arranged horizontally and diametrically opposite each other and having an enlarged portion 0 as clearly showninl igs. 4, '5, (land 6. Eachpin'is surrounded and thus controlled-by-a spiral spring 0 and rests when in normal positionwith its enlarged port-ion in a hole-penetrating-the rim of the wheell), but does not, when in said normalposition,
project beyond the outer face of said rim. (See Figs. l and 5.) Said pins o-are adapted-to be operatedthat isto say, pressed outward beyond the outer-face of-therim of wheel Z by levers 0, each of which is controlled by a spring 0 and is pivoted, as at o to a bracket of the circular frame 0 arrangedinrear of thewheel b and parallel therewith and secured to the loom-frame bybolts or in any desired manner.
There are four levers 0 pivoted .to their respective brackets and arranged diamet- Each of said levers is segment-shaped, as clearly shown in Fig. 3, and thus covers thepath of the pins owhen the wheel Z) is rotated. The freeend of eachlever, which is curved. as at 0 is engaged'by one arm, 0 of an gle-lever 0 pivoted to a bracket 0 of the circular frame 0 and controlled by a spiral spring 0 secured with one end'to the frame 0 in any desired manner and with its other end-to the other arm, 0, of the angle-lever 0 Theouter ends of said arms 0 of the an gle-levers are connected to and thus operated by their respective cords or wires i, L, 1' and 4 as will be hereinafter The arm 0 is hinged, as at 0 to said angle-lever and is controlled by a flat spring 0 as clearly shown in Figs. 7 and 8. Said arm 0 is adapted to be thrown out of thepath of the curved end 0 of lever 0 by means of the pins 0 which latter are firmly secured to the inner side of the rim of will only engage the hinged portion 0 of the angle-lever when the-latter has been operated by its respective cord and thus has operated the lever o. Whenthe :hinged portion 0 against'the action of its flat spring 0 has been forced outward by the pin 0", it will bear against the curved end of lever 0, which by that time has returned by action of spring 0 to its normal position. (See Fig. 6.)
In theframe Ct are journaled the shafts a, (L a and a", which are arranged diametrically opposite each other and about opposite the middle of the levers 0. On each of these shafts is secured a wheel b b 6* and I), respectively, provided at its outer periphery and at regular -intervals'with a series of eight notches m with flaring mouths m, adapted to be engaged by the pins 0 of the wheel I), (when said pins are operated,) and thus to be rotated one-eighth of a revolution.
On the outer face of each wheel a, a a and a is arranged an endless cam-groove consisting of four concave and-four convex curves m and m arranged alternately and-symmetrically and in such amanner on-the wheelthat the culminating point of each curve is on a radius midway between each -two adjoining notches.
In each endless cam-groove is arranged and adapted to be operated thereby a pin g g, Q12 and g, respectively, guided by the vertically-arranged slots of the brackets a, secured to the circular frame o or to the loom-frame a in any-desired manner, only two of said slotted brackets beingshown-in the drawings. (See Fig. 3.) The pin is firmly secured to the lever g, while the pin 9 is adapted to operate in the elongated slot g arranged in the free end of-said'lever g, the other end ofwhich is'connected by the link with the collar f on the shuttle-boX-supporting rod f. The pins 9 and are likewise arrangedin lever g, which is adaptedto operate, throughshaft 9 the shaft g To the opposite end of said shaft is secured the lever 9 (shown in dot ted lines in .Fig. 1,) and which lever through a connection similar to link f operates the shuttle-box-supporting rod on the opposite end ofthe loom.
The pins g g, andg may, if desired, be surrounded by a-small cylindrical sleeve to reduce the friction during the operation.
Toeach bracket n is also secured in any desired manner a spring n, carrying at its free end a brake-block n adapted to rest in he notches m of its respective wheel when the same has been rotated the required distance-that is to say, one-eighthof a revolution.
'The operation of the-device is as follows, reference being made to Figs. 1 to 10, inclusive, of the drawings: During the operation of plain weaving the shuttle-boX-operating mechanism is at rest, as the collar 9' with its arm 7' and rollers 3' has, by action of the spiral springj, been forced out of the path of pawlcarrying lever j, Fig. 10, and the sprocket-wheel a carrying the pattern-chain is thus prevented from being rotated. WVhen the jacquard calls for the introduction of a fOO ill
color to be worked in a figure or design of the fabric, the cord j is drawn upward by the jack or hook of the machine, and through the angle-leverj engaging the annular groove of collar the said collar and its arms 9' and rollers j are moved into the path of lever One of the rollers j (as the collar 7' is continually revolving with shaft 0) will strike the curved portion of pivoted angle-lever and thus operate the said angledever, and through its pivoted pawl j engaging the teeth of ratchet-wheel a, will rotate the shaft 64 the required distance, (in the drawings one-eighth of a revolution.) The sprocket-wheel a is thus revolved, operating the pattern-chain until one of its rollers comes under and lifts one of the levers h h. In Fig. 1 of the drawin gs is illustrated the position of lever g when the first compartment of the shuttle-box (from the top) is brought opposite the lay or race and ready to discharge its shuttle. Supposing that the second shuttle from the top (see also the upper portion of diagrammatic view of 2) is called for after the first shuttle has performed its operation, the lever h is raised by its respective roller of the patternchain, thus lifting through its cord connection the an gle-lever 0 (corresponding with cam-groove wheel b and the latter in turn depressing the lever 0. The spring-controlled headed pin 0 carried along by the wheel I) (revolving in the direction of arrow Q, Fig. 3) is, as soon as it reaches the said depressed lever o, engaged by the same and forced outward beyond the outer face of the rim of said wheel 1) and into the notch m of cam-groove wheel 5 The said wheel is thus rotated onceighth of a revolution, and the guided pin 9 engaged by the camgroove on wheel is moved downward until it rests in the culminating point of the concave curve 711?. The pin g has acted as fulcrum and the lever will thus occupy the position marked 11 in the upper half of Fig. 2. Soon after the pin 0 has left the notch m of wheel 11 its co'operative pin 0 engages the hinged portion 0 of anglelever and forces the same out of the path of lever 0, which latter by the action of the spiral spring o is returned to its normal position, the hinged portion 0 of angle-lever 0 bearing on the curved end 0 of lever 0. (See Fig. W.) This is a very important point as, for instance, should the pick be repeated, the sprocket-wheel and the patternchain being prevented from rotation, the cord j being released by the Jacquard machine and thus the rollers 3' moved out of the path of anglelever j, as heretofore described, the wheel b must remain unmoved-that is to say,the next following spring-controlled headed pin 0 must pass under the lever 0 without being operated, and this can only be accomplished by having the levero returned to its normal position, notwithstanding that its respective angle-lever remains in operative position. As soon as the strain on the angle-lever is releasedthat is to say, its respective treadle lever 7i is loweredsaid angle-lever by the action of the spring 0 is returned to its normal position and rests again within its hinged portion 0 on the top surface of the curved end of the lever 0, (the hinged portion being returned to its normal position by the action of the flat spring 0 If, for instance, the fourth shuttle (from the top) is required, the sprocket-wheel and pattern-chain being again brought in operation by the Jacquard machine, the pin g must be lowered and the pin g raised. For that purpose the two levers h h corresponding with the wheels Z2 and b are raised by the rollers on the patternchain, and the respective angle-levers o are thus operated and the levers o controlling the pins 0 thereby depressed. The wheels If and b are each turned by their respective pins 0 one-eighth of a revolution, and the lever g thus brought into the position marked IV in the upper half of the diagrammatic view in Fig.
The mode of operation of the lower camgroove wheels 12* and b and the connecting lever g is the same as that of the upper series, except that they are operated through cords q? and i connected to a second set of treadle-levers similar to the levers h and h. The lever g operates, through crank 9 shaft 9 and lever 9 the shnttle-box-supporting rod on the opposite side of the loom.
In Fig. 11 of the drawings I have illustrated a modified form of device for operating the sprocket-wheel a on shaft a On the shaft 0, Fig. 11, is firmly secured a gear-uheel "r" meshing with a gear-wheel r on shaft 7 Said gear-wheel r is one-half the diameter of the gear-wheel T". On shaft r is also arranged an eccentric 7"", provided with an arm r having a pawl-shaped end and on its under side a cam 4" and being controlled by a spiral spring 1. Pivoted to the loom-frame, as at r", is the an gle-lever r controlled by spring r and connected with one arm through cord j G with the Jacquard mech anism. The other arm of said angle-lever?" is provided with a roller 7'" adapted to bear on the under side of the arm r which latter with its pawl-shaped end engages the teeth of the sprocket-wheel a During the operation of plain weaving the cord 3' is lowered and the angle-leverr by the action of the spring 0', is brought under the cam r of arm 0", thus raising the arm out of engagement with the teeth of the sprocket-wheel a and thus preventing the shaft a from being rotated. As soon as the cord j is drawn upward the angle-lever r is returned to its normal position and the pawl-shaped end of arm r again thrown into engagement with the teeth of the sprocket-wheel, as will be manifest.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-
1. The combination with the shuttle-boxlifting lever, of a series of pins arranged on said lifting-lever, a series of crank-shafts, a
disk on each ofsaid crank-shafts, each of said diskszhaving aseries. of concave; and convex connecting cam-grooves .arranged alternately'and, symmetrically with relation to the,
crank-shaft of its respective disk, the camgroove of each .disk being, adapted to engage its respective pin of the lifting-lever, :and
.means for intermittingly rotating said disks, all said parts substantially as and for the;
purposes described.
:having a series -.of concave and convex connecting cam-grooves arranged alternately and symmetricallywith relation tothe crank-shaft vofits respective disk, the camegrooveof each idiskbeing adaptedto engage its respective pin-of the lever, afixed slotted guide-bracket for each pin, and means fordntermittingly rotating said disks, all said parts, substan-.
tially'as and :for the purposes described.
rotating said disks, anda spring-controlled brake-block for each'disk, all said parts, substantially as and for the purposes described.
4. The combination with the shuttle-bozo lifting lever, of a series of .pins on said lifting-lever, a'series of crank-shafts, a disk on each of said crank-shafts and provided at its outer periphery with a series of notches ar ranged at, regular intervals,each of said-disks having a cam-groove consistingof a series of concave and convex curves arranged alternately and symmetrically with relation to the' crankshaft and notches of its respective disk and adapted to engage its respective pin of the lifting-lever, a fixed slotted guide-bracket for each pin, a spring-controlled brake-block secured toeach bracket and adapted to engage the notches of its respective disk, and means for intermittingly rotating said'disks,
all said parts, substantially as and for the purposes described.
5. The combination with the continuouslyrevolving shaft 12, of a series of crank-shafts intermittingly rotated by said shaft, a disk secured to each of said crank-shafts and each disk :having a series of concave and convex connecting cam-grooves arranged alternately and symmetrically with relation to the crankshaft of its respective disk, the shuttle-boxlifting lever operated by two of said series of connecting convex and concave camvgrooves, and means for intermittingly transmitting the motion of the revolving shaft to the said crankshaft, .all said parts, substantially as and for the purposes described.
6. The:combination-withthe-continuouslyrevolving-shaft b, I of 'a series of crank-shafts nately. and symmetricallywith relationito the Y crank-shaft ofitsrespective disk, the shuttle- 2. The combination with the shuttleebox-e lifting lever, of a series of .pinsonsaid lift-1 .ing-lever, aseries of crankeshafts, a disk on each-of said crank-shafts, each of said disks' box-liftingslever operated by two of said se .ries of cam-grooves, means for-intermittingly transmitting the motion -of the *16VO1VlIlg shaft to said crank-shafts, and means for holding said crank-shafts and disks in their respective positions, all said parts, substantially as andfor the purposes described.
.7. The combination with-the-continuously- .revolvingshaft b, of a series of crank-shafts intermittingly rotated bysaid shaft, a disk secured to each ofisaid crank-shafts each of said disks havinga seriesofconcave andconvex connecting cam-grooves arranged alter- 3. The combination with the shuttle-.box-f lifting lever, of a series-of pins on said lifting-lever, a series of crankeshafts, a disk on each of said crank-shafts, each of said disks having a series of concave and'convex'com:
natelyand symmetrically with relation'to the crankshaft ofits respective disk, the shuttle- :box-tlifting lever, aseriesof pins on said liftiing-lever, each ofsaidpins being adapted to beiengaged ,bythecamegroove of its respective disk, afixed guide-bracket for each pin, and means forintermittingly transmitting the ,motion of therevolvingshaft 'to said cranknately and symmetrically with relationto the crank-shaft of its respective disk, the shuttlebox-lifting'lever, a series of pins on said liftving-lever, each of said pins :being adapted to be engagedby the cam-groove of its respective disk, a fixed guide-bracket for each pin,
vmeans for intermittingly transmitting the motion of the revolving shaft to said crankshafts, and means for holding said shafts and disks in their respective positions, all said parts, substantially as and for the purposes described.
9. The combination with the continuouslyrevolving shaft b, of a series of crank-shafts intermittingly rotated by said shaft, a disk on each crankshaft andprovided at its outer for each of said pins, a spring-controlled brake-block on each of said brackets and adapted to engage the notches of its respect- IIO ive disk, and means for intermittingly transmitting the motion of the revolving shaft to said crank-shafts, all said parts, substantially as and for the purposes described.
10. The combination with a continuouslyrevolving shaft, of a wheel secured to said shaft, a series of springcontrolled pins arranged horizontally and at regular intervals in the rim of said wheel, a series of crankshafts parallel with said revolving shaft, a disk secured to each crank-shaft and provided at its outer periphery with a series of regu larly-arranged notches, each disk being also provided with an endless cam-groove consisting of a series of concave and convex curves arranged alternately and symmetrically with relation to the crank-shaft of its respective disk, the shuttle-box-lifting lever operated by said cam-grooves, and means forbringing said spring-controlled pins into the notches of said disks, all said parts, substantially as and for the purposes described.
11. The combination with a continuouslyrevolving shaft, of a wheel secured to said shaft, a series of spring-controlled pins arranged in the rim of the wheel horizontally and at regular intervals, a series of crank shafts parallel with said revolving shaft, a disk secured to each crank-shaft and provided at its outer periphery with a series of regularly-arranged notches, each disk being also provided with an endless canrgroove consisting of a series of concave and convex curves arranged alternately and symmetrically with relation to the crank-shaft of its respective disk, the shuttle-boX-liftinglever operated by said. cam-grooves, means for bringing said pins into the notches of said disks and a spring-controlled, brake-block for each disk and adapted to engage the notches of the same and to thus hold its respective disk in position after it has been rotated th e required distance, all said parts, substantially as and for the purposes described.
12. The combination with a continuouslyrcvolving shaft, of a wheel secured to said shaft, a series of spring-controlled pins arranged in the rim of the wheel, horizontally and at regular intervals, a series of crank shafts parallel with said revolving shaft, a disk secured to each crank-shaft and provided at its outer periphery with a series of regularlyarranged notches, each disk being also provided with an endless cam-groove consisting of a series of concave and convex curves arranged alternately and symmetrically with relation to the crank-shaft of its respective disk, the shuttlebox-lifting lever, a series of pins on said lifting-lever and engaging said camgrooves, a fixed guide-bracket'for each of said pins, a spring-controlled brake-block secured to each guide-bracket and adapted to engage the notches of its respective disk, and means for bringing said pins into engagement with the notches of said disks, all said parts, substantially as and for the purposes described.
13. The combination with the continuouslyrevolving shaft, of a wheel secured to said shaft, a bracket-frame in rear of said wheel, a series of spring-controlled pins arranged at regular intervals in the rim of said wheel, a segmental lever in rear of each pin and fulcrumed on said bracket-frame, a series of crank -shafts parallel with said revolving shaft, a disk secured to each crank-shaft and provided at its outer periphery with a series of regularly-arranged notches, the shuttlebox-lif ting lever operated by two of said disks, means for operating the f ulc ruined levers and thus to bring the said spring-controlled pins into engagement with the notches of said disks, and means for returning said levers to their normal positions, all said parts, substantially as and for the purposes described.
1i. The combination with the continuouslyrevolving shaft, of a wheel secured to said shaft, a bracket-frame in rear of said wheel, a series of spring-controlled pins arranged at regular intervals in the rim of said wheel, a segmental lever in rear of each pin and fulcrumed to said bracket-frame, a series of crank -shafts parallel with said revolving shaft, a disk secured to each crank-shaft and provided at its outer periphery with a series of regularly-arranged notches, adapted to be engaged by said spring-controlled pins, the shuttle-boX-lifting lever operated by two of said disks, an angle-lever pivotally secured to the bracket-frame and in rear of each segmental lever and resting with one arm on the free end of the same, means for operating said angle-lever and means for returning the segmental lever to its normal position, all said parts, substantially as and for the purposes described.
15. The combination with the pattern-chain and the treadle-levers operated thereby, of a continuously-re volving shaft, a wheel secured to said shaft and provided in its rim with a series of spring-con trolled pins, a bracketframe in rear of said wheel, a lever in rear of each pin an d fulcru med to said bracket-frame, a pivoted angle-lever in rear of each fulcrumed lever and resting with one arm on the free end of said fulcrumed lever, the other arm being connected by a cord or wire with its respective treadle-lever, a series of crankshafts parallel with the revolving shaft, a disk secured to each of said crank-shafts and provided at its outer periphery with a series of notches, adapted to be engaged by the spring controlled pins, each disk being also provided with a cam-groove consisting of a series of concave and convex curves alternately arranged, of the shuttle-box-lifting lever, a series of pins on said lifting-lever and en gaging the cam-grooves of their respective disks, and means for holding said disks in position after they have been rotated the required distances, all said parts, substantially as and for the purposes described.
16. The combination with the pattern-chain and the treadle-levcrs operated thereby, of a eontinnousl ya'evolvin g shaft, a wheel secured to said shaft and provided in its rim with a series of spring-controlled pins, a bracket frame in rear of said wheels, a spring-controlled lever in rear of each pin and fulcrumed to said bracl et-frame, a pivoted angledever in rear of each fulcrumed lever and connected with one arm. by a cord or Wire to its respective treadle-lever, the other arm of said anglelever being provided with a hinged portion resting on the free end of its respective fulcrumed lever, of a series of pins secured to the rim of the Wheel and adapted to engage the hinged portions of said angle-levers, a series of crank-shafts parallel With the revolving shaft, a disk on each of said crank-shafts and, provided with aseries of notches adapted to be engaged by the spring-controlled pins in the rim of the wheel, and of the shuttlebox-1ifting lever operated by said disks, all
said parts, substantially as and for the purposes described,
17. The combination with the shaft 6 and with the pattem-chain-carrying shaft, of a shaft parallel with the said shaft 0 and operated thereby, an eccentric on said parallel shaft, a spring controlled arm projecting from said eccentric and provided with a pawlshaped end, a ratehetwvheel secured to the pattern-ehain-earrying shaft and adapted to be engaged by said arm, a spring-controlled pivoted angle-lever provided at one arm with a roller and adapted to engage the arm projecting from the eccentric, and means for operating said angle-lever, all said parts, substantially as and for the purposes described.
In testimony that I claim the foregoing I have hereunto set my hand this 29th day of July, 1895.
ALFRED GARTNER.
Witn esses:
WM. D. BELL, II. B. GRIFFITH.
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