US585607A

US585607A - Multiplier mechanism for looms

Info

Publication number: US585607A
Authority: US
Publication date: 1897-06-29
Anticipated expiration: 1914-06-29

Description

8 Sheets-Sheet 1.

(No Model.) I

W. WATTIB. MULTIPLIER MECHANISM FOR 'LooMs. No. 585,607. Patented June 29, 1897.

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8 Sheets-Sheet 2.

(No, Model.)

W. WATTIE. MULTIPLIER MECHANISM FOR LOOMS. No. 585,607. Patented June 29,1897.

(No Model.)

8 Sheets-Sheet 3. W. WATTIE.

MULTIPLIER MECHANISM FOR LOOMS.

No. 585,607; Patented June 29,1897" (No Model.) 8 Sheets-Sheet 4.

W. WATTIE. MULTIPLIER MECHANISM FOR LOOMS. No, 585,607. Patented June 29, 1897.

{No Model.) 8 Sheets-Sheet 5.

W. WATTIB, MULTIPLIER MECHANISM FOR LOOMS.

No. 585,607. Patented June 29,1897.

THE- mums Perms co, mu'rouruov, wAsmNe'mN, 0/ c,

'(No Model.) 8 Sheets-Sheet, 6.

' W. WATTIE.

MULTIPLIER .M EGHANISM .POR LOOMS'. No. 585,607. Patented June 29,1897.

s Sheets-Sheet 7.

(No Model.)

W. WATTIE. MULTIPLIER MECHANISM FOR LOOMS.

No. 585,607. Patented June 29,1897.

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(No Model!) 8 Sheets-Sheet 8. W. WATTI-E.

MULTIPLIER MBGHANISMPOR LOOMS.

No. 585,607. Patented June 29,1897. 6

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5mm sum/W I r Tu: NORRIS Pzrcns ca, movmmuz, wnnmu'mu n c NTTED STATES I PATENT FFlCE.

WVILLIAM WVATTIE, OF WORCESTER, MASSACHUSETTS, ASSIGNOR TO THE CROMPTON & KNOWVLFS LOOM VORKS, OF SAME PLACE.

MULTIPLIER MECHANISM FOR LOOIVIS.

SPECIFICATION forming part of Letters Patent No. 585,307, dated June 29, 1897.

Application filed June 1, 1896. Serial N0- 593,756- (No model.)

Be it known that I,\VILLIAM WATTIE,a citizen of the United States, residing at Worcester, in the county of Worcester and State of Massachusetts, have invented certain new and useful Improvements in Multiplier Meche' lar bars in said main chain, as is well understood.

The object of my present invention is to provide, in addition to the multiplier patternchainand the main pattern-chain of the dropbox-indicating mechanism above described,

a third pattern chain or surface, which I term a supplemental chain, by means of which I can weave stripes in the body of the goods without increasing the number of bars in the mainpattern-chain or increasing the length thereof over what is used in weaving plain body goods. Said third pattern-chain is connected directly with and operates the shuttledrop box shifting mechanism.

.I'Ieret'ofore lin weaving the class of goods 7 above referred to the main pattern-chain has to be provided with additional bars for weaving in the stripes through the body of the goods between the headings, thus increasing very much the length of the chain, for one i revolution of the whole chain will be neces- Now by the use of my third or supplemental chain with sixteen bars, which is used to weave the striped body of the blanket between the headings, the number of bars in the main pattern-chain can be reduced to fortyseven, making a total of sixty-three bars of chain in the two pattern-chains, the main chain, and my third or supplemental chain, as against three hundred and thirty-eight bars in the main pattern-chain when my supplemental pattern-chain is not used. The number of bars of pattern-chain in the second or multiplier pattern-chain is the same in each case, (eight bars.)

My invention consists in certain novel features of construction and operation of the patternchain mechanisms, of the dropboxindicating mechanism of looms of the class above described, and more particularly in combining with the main pattern chain or surface and the multiplier pattern chain or surface and the shuttle-drop-box-shifting mechanism a third pattern chain or surface and providing mechanism for operating said third pattern-chain in connection with the main and multiplier pattern-chains and the shuttle-drop-box-shiftin g mechanism, for the purpose above stated.

I have shown in the drawings my improve ments applied to a four-by-one box-loom, and combined with main and multiplier patternchain mechanisms and operating parts, of substantially the same construction and operation as is shown and described in United States Letters Patent No. 544,356, of August 13, 1895, and also in my pending application for United States Letters Patent, Serial N 0. 579,137, to which reference is hereby made.

Referring to the drawings, Figure 1 shows a loom side upon the upper part of which is supported the box-pattern-indicating mechanism embodying my improvements and upon the lower part the box-shifting mechanism. Fig. 2 is a front view of the boxpattern-indicating mechanism shown in Fig.

'1 and looking in the direction of arrow a,

Fig. 4. Fig. 3 is a rear view of the box-pattern-indicating mechanism, looking in the direction of arrow 1), Fig. 4. Fig. tisaplan view looking in the direction of arrow 0, Fig. 2. Fig. 5 is a vertical cross-section 011 line 5 5,

Fig. 4:, looking in the direction of arrow a,

same figure. Fig. 6 is a vertical cross-section on line 6 6, Fig. 4, looking in the direction of arrow a, same figure. Fig. 6 corresponds to Fig. 6, but shows some of the parts in a different position. Fig. 7 is a detail of the indicating-disk on the friction-take-u p roll and the engaging finger or lever, looking in the direction of arrow (1, Fig. 8. Fig. 8 is a plan view of the parts shown in Fig. 7, looking in the direction of arrow 6, same figure; and Fig. 9 is a perspective view of one of the adjustable indicating cams or switches on the indicating-disk. Figs. 2 to 9, inclusive, are shown on an enlarged scale.

In the accompanying drawings, 1 is the loom-arch stand, on the upper part of which is secured the stand or frame 2, on which are supported the several parts of the drop-boxpattern -indicating mechanism. The dropbox-pattern-indicating mechanism is in this instance, as above stated, for a four-by-one box-loom, and is of substantially the same construction and operation as the drop-boxpattern-indicating mechanism shown in said Patent No. 544,356 and in my said pending application, Serial No. 579,137, with my present improvements combined therewith. In said pattern-indicating mechanism 3 is the main-pattern-chain cylinder, loosely mounted on a stud 4, secured in the frame 2. Said cylinder or barrel 3 is of the ordinary construction, having grooved or notched heads or ends, and carrying the main pattern-chain 5, made up of links 6, which connect the bars 7, upon which are mounted tubes 8 and rolls 9 in the ordinary way. The cylinder 3 is provided with a hand-wheel 10, by means of tion, as desired.

The auxiliary or multiplier pattern-chain cylinder 11 is loosely mounted on a stud 12, supported in the frame 2 and in the bracket 2, and in this instance upon the opposite side of the stand 2 from the main-pattern chain cylinder. (See Fig. 4.)

The cylinder 11 carries the auxiliary or multiplier pattern-chain 13, made up of links 6, bars 7, tubes 8, and rolls 9, similar to the main pattern-chain 5. The cylinder 11 is provided with a hand-wheel 14 to turn said cylinder as desired.

On a stud 15, secured in a boss 16 on one end of the stand 2, are loosely mounted the outer weighted ends of two shuttle-box-

indicator levers

17 and 18, which extend over and are operated by the main pattern-chain 5. The inner ends of the

levers

17 and 18 are in this instance provided with open-end slots to receive the loops or heads 19 on the upper ends of the connector-rods 19, (see Figs. 1 and 2,) which lead to the two connectors 48, to which they are adjustably attached by a collar 49 and set-screw 50. (See Fig. 1.) The connector-rods 19 can move up without raising the

levers

17 and 18.

The connectors 48, to be hereinafter described, are attached at their lower ends to the vibrator-levers 20 of the box-shifting the multiplier-pattern-chain cylinder 11. j stop wheel 34, Fig. 4, is alsov mounted on said stud 12, and is secured to the ratchet-wheel 33 to turn with said ratchet-wheel, and is provided with concave portions 34 in its pcriphery, into which extends a convex portion frame 2. which said cylinder is turned in either direcmechanism shown in Fig. 1, and which may be of the ordinary construction and operation, and consists of the upper and lower cylinder-gears 21 and 22, vibrator-gear 23, carried on the vibrator-lever 20, pivoted at its outer end at 24, and the vibrator-connector 25, pivoted at one end on the vibrator-gear 23 and connected at its other end to the compound lever 26, which operates the shuttlebox-lifter rod 27, all in the usual way, and shown and described more particularly in United States Patent No.551,104, of December 10, 1895.

A ratchet-wheel 28 is mounted on the stud 4, and is secured to the main-pattern-chain cylinder 3. (See Fig. 4.) A stop-wheel 29 is also mounted on the stud 4 and secured to the ratchet-wheel 28 to turn with said ratchetwheel. Said stopwheel is provided with concave portions 29 in its periphery, into which is adapted to extend the convex portion 30 011 the lock-lever 30, pivoted at 31 on the frame 2, (see Fig. 5,) and connected by a spring 32 and link 32 to a similar lock-le ver to be hereinafter described.

On the stud 12 of the multiplier-patternchain cylinder 11 is mounted aratchet-wheel 33, (see Figs. 4 and 6,) which is secured to A 35 on the lock-lever 35, pivoted at 35 on the (See Figs. 3, 4, and 5.) A spring 36, encircling a pin 36, sliding at one end in an eye 36", and secured at its other end to the lock-lever 35, (see Fig. 3,)

acts to hold said lever 35 in engagement with the stop-wheel 34.

I will now describe my third or supplemental pattern chain or surface, combined with the main pattern-chain and the multiplier pattern-chain, above described, and the shuttle-drop-box-shifting mechanism, and in this instance located at the front of the stand or frame 2 at the opposite end thereof from the main pattern-chain 5. (See Fig. 4.)

On a stud 37, supported in the frame 2 and the bracket 2", is loosely mounted a patternchain cylinder 38, carrying the supplemental pattern-chain 39, made up of links 6, bars 7, tubes 8, and rolls 9 in the ordinary way. A

hand-wheel 40 is secured to the pattern-chain cylinder 38 to turn the pattern-chain, as desired.

On the stud 37 of the supplemental chain 39 is mounted a ratchet-wheel 41, which is secured to the supplemen-tal-pattern-chain cylinder 38. Astop-wheel 42 is also mounted on said stud 37 and is secured to the ratchet wheel 41 to turn with said ratchet-wheel and is provided with concave portions 42 in its periphery, into which is adapted to extend a convex portion 43 on the lock-lever 43, pivoted at 43" on the frame 2 (see Fig. 5) and ICC connected by a rod 32 and a spring 32 to the lock-lever 35. The spring 32 acts to draw the lock-levers 30 and 43 toward each other to hold them in engagement with the stop-wheels 29 and 42, as shown in Fig.5.

On a stud 44, secured in a boss 45 on the end of the frame 2, are loosely mounted the weighted outer ends of two shuttle-box-

indicator levers

46 and 47, which extend over and are operated by the supplemental patternchain 39. The inner ends of the

levers

46 and 47 are in this instance provided with openend slots to receive the loops or heads 48 on the upper end of the connector-rods 48 to allow said rods to move up without raising said levers. The lower ends of said rods 48 are attached to the vibrator-levers 20 of the boxshifting mechanism, as above described.

It will be seen that the movement of the indicator-

levers

17 and 18 on the main pattern-chain 5 through the connector-rods 19, attached to the connector-rods 48, will communicate motion to the vibrator-levers 20 of the box-shifting mechanism, and the indicator-

levers

46 and 47 on the supplemental pattern-chain 39, through the connector-rods 48, attached to the vibrator-levers 20, will also communicate motion to said vibratorlevers 20 to operate the box-shifting mechanism.

I will now describe the mechanism for operating the main pattern-chain 5, the multiplier pattern-chain 13, and the supplemental pattern chain 39. Said mechanism corre sponds to the mechanism shown and described in said Patent No. 544,356 and in my said application, Serial No. 579,137, but is adapted to operate three chains instead of two.

In the lower central part of the frame 2 in a boss 51 is mounted a shaft 52, (see Figs. 4 and 5,) adapted to have a rocking motion. On the front end of the shaft 52 is secured by a set-screw 53 the lower end of the rocking pawl-carrying arm 54. Upon the upper end of said pawl carrying arm 54 are pivoted three pawls 55, 56, and 57. The pawl 55 acts as a pull-pawl and is provided with a hook 55 at its free end, which extends over and engages the teeth on the ratchet-wheel 41 to move said ratchet-wheel and with it the supplemental-pattern-chain cylinder 38 and chain 39. The pawl 56 is pivoted on the opposite side of the pawl-carrying arm 54 from the pawl 55 and acts as a push-pawl, and its free end engages the teeth on the ratchetwheel to move said ratchet-wheel and with it the multiplier-pattern-chain cylinder 11 and chain 13. The pawl 57 is pivoted in this instance on the front of the pawl-carrying arm 54 and extends in an opposite direction to the pawls 55 and 56. Said pawl 57 acts as a pushpawl, and the free end thereof engages with the ratchet-teeth on the ratchet-wheel 28 to move said ratchet-wheel and the main-pattern-chain cylinder 3 and chain 5.

Upon the opposite end of the shaft 52 from the pawl-carryin g arm 54 is secured the inner end of the arm 58, (see Fig. 3,)which is connected through a giveway or look connection with the driven part of the loom. Said lock connection and mechanism connected with the stop-motion shaft to automatically operthe filling gives out and the filling stop-motion shaft acts to stop the loom, is of the same construction and operation as shown and described in said Patent No. 544,336, to which reference is hereby made for a detail description of the construction and operation of said mechanism. I will briefly describe said mechanism herein.

The outer end of the arm 58 is provided with a screw or pin 59, which is adapted to engage a notch 60, leading out from a vertical slot 60 in the head 60 on the upper end of a connector-rod 61. The lower end of said rod 61 is connected with a cam on the bottom shaft or with some other driven part of the loom, (not shown,) from which a continuous up-and-down motion is communicated to said rod 61 and, through the arm 58, to the rockshaft 52 and the pawl-carrying arm 54.

From the head 60 of the connector-rod 61 a connection 62 leads over a pulley 63, loose on the shaft 52, and over two

pulleys

64 and 65, mounted on the loom side, (see broken lines, Fig. 1,) to an arm 66, fast on the stopmotion shaft 67, so that when the loom is stopped by the stop-motion shaft in case the filling gives out the connection'62 will be pulled to draw the head 60 of the connectorrod 61 to the right in Fig. 3 and move the pin 59 out of the notch 60 into the slot 60 to allow the head 60 and connector-rod 61 to move up and down without moving the arm 58, so that the pattern-indicating mechanism will be instantly stopped though the 100111 may continue to run.

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A pawl 68, pivoted at 69 on the arm 58 and and 57 with their respective ratchet-wheels,

so that only one pattern-chain will be operated at a time, and each chain-that is, the main pattern-chain, the multiplier patternchain, and the supplemental pattern-chainwill be operated at the proper time.

The stopping and starting of the chains at the proper time are controlled by indicatorlevers extending over and operated by the pattern-chains and connecting mechanisms. As before stated, the main pattern-chain 5 is used to weave in the headings or borders and the multiplier pattern-chain 13 is used, in

connection with the main pattern-chain, to

repeat certain bars of the main pattern-chain,

the main pattern-chain being at rest while the multiplier pattern-chain is working and 5 the multiplier pattern-chain being at rest while the main pattern-chain is working.

By means of the third or supplemental pattern-chain 39 the striped body of the fabric between the headings is woven, and when said third chain is working the other two chains are at rest.

In order to control the movement of the ratchet-wheel 33 of the multiplier-patternchain mechanism, I provide a shield or guard r 5 71, which extends under the pawl 56, (see Fig.

4,) to raise said pawl and prevent its engagement with said ratchet-wheel 33. The shield or guard 71 is pivoted at 72 on the stand 2, (see Fig. 6,) and has an extension or arm 71 on the opposite side of its pivot-support, the end of which is provided with an open-end slot, into which extends a pin 73, extending out from the weighted end 74 of the indicator-lever 74, extending over the main pattern-chain 5 and loosely mounted at its outer end on the stud 15. (See Fig. 4.) It will thus be seen that the row of indicators on the main pattern-chain 5 under the indicator-lever 74, through said lever 74, pin 73, and the arm 71' 56 of the multiplier-pattern-chain mechanism. A shield or guard 75 extends under the pawl main-pattern-chain mechanism. The shield 75 is pivoted at 76 on the stand 2, (see Fig. 6,) and has an' arm or extension 75 on the opposite side of its pivot-support, the end of which is provided with an open-end slot, into which extends a pin 77, extending out from the weighted end 7 8 of the indicator-lever 78, extending over the multiplier pattern-chain l3 and loosely mounted at its outer end on the stud 44. (See Figs. 4 and 6.) It will thus be seen that the row of indicators on the multiplier pattern-chain 13 under the indicatorlever 78, through said lever 78, pin 77, and the arm 7 5 and shield 75, controls the actionof the pawl 57 of the main-pattern-chain mechanism, in connection with a shield or guard 79, to be hereinafter described, connected with the supplemental-pattern-chain mechanism.

I will now describe the construction and operation of the shield or guard which ex- 55 tends under the pawl 55, which operates the ratchet-wheel 4]. of the supplemental patternchain 39..

The shield or guard 80 is pivoted at 81 on the stand 2. (See Fig. 6.) Said shield or guard extends under the operating-pawl 55 of the supplemental pattern-chain 39. (See Fig. 4.) Upon the opposite side of the pivot '81 of the shield 80 is an extension or arm 82, upon the outer upper end of which is pivoted the lower end of the shield or guard 79, which extends under the pawl 57 of the main-pattern-chain mechanism and operates in connection with the shield 75, as above stated.

The shield 79 has a pivotal motion in a vertical plane on the supporting-arm 82 and is provided with a rear extension 7 9, which engages an upward extension 82on the arm 82. A spring 83, attached to the shield 79 and to the upward extension 82, (see Fig. 3,) holds the shield 79 in its raised position with the rear extension 7 9 engaging the upward exan indicator 86 on the main pattern-chain.

The indicators which act on the indicator- -lever 84 form a separate row of tubes and rolls between the heads or ends of the pattern-cylinder, or, as in this instance, the in.- dicators may be substituted for one of the tubes which extend into the notches or grooves. in the ends of the cylinder or barrel. Fig. 4.)

and shield 71, controls the action of the pawl 1 dicator-lever 84 with the arm 82, forming a I part of the shield 80. 57, which moves the ratchet-wheel 28 of the (See A link 87 connects the outer end of the in- (See Figs. 2 and 3.) An angle-lever 88 (see Figs. 5 and 6) is piv- A spring 90, attached to the arm 82 to the angle-lever 8S and to the stand 2, act to hold the arm 82 and the angle-lever 88 in engagement, as shown in said Figs. 5 and 6.

Upon the stud 44 is loosely mounted the outer end of the indicator-lever 92, (see Figs. 2 and 4,) which extends over and is acted on by indicators on the supplemental patternchain 39. On the inner end of the indicatorlever 92 is hung the upper end of a lever 93, which has avertical slot 93' in the lower part thereof, with a notch 93 leading out from said slot. A spring 94 is secured at one end to the lever 92 and at its other end to the stand 2, and tends to keep the arm toward the right in Fig. 2.

To the lower end of the lever 93 is secured one end of a connection 95, which leads over a pulley 96, mounted in a hanger 97 on the stand 2 and over a second pulley 98 (shown by broken lines in Fig. 1) to the upper end of the lever 99 of the indicating mechanism (shown in Figs. 7 and 8) and which is of the same construction and operation as shown 1 and described in my said pending application, 1 Serial No. 579,137.

IOC

provided with a lever or indicating-finger 102, pivoted thereon to move in a horizontal plane, and the free end of the finger 102 is adapted to travel on the periphery of a disk 103, which is the indicating-disk and in this instance is made integral with the gear 10%, fast on the shaft 105 on the friction take-up roll. A pinion 106, fast on a driven shaft 107, meshes with the teeth on the gear 101. (See Fig. 7.)

A spring 108 is attached at one end to a rearward projection 102 on the finger 102 and at its other endto an extension 99 on the lever 99 (see Fig. 8) and acts to hold the rearward projection 102' in engagement with the extension 99 on the lever 99 (see Fig. 8) and the free end of the finger 102 on the periphery of the disk 103.

On the indicatingdisk 103 are secured, in this instance by screws 109, adjustable indicating devices or switch-cams 110, in this instance two in number. As the indicatingdisk 103 revolves, the indicating lever or finger 102 travels on the periphery thereof until it engages the curved plate 110 of the switch-cam 110, which extends over the periphery of the disk, as shown in Fig. 9.

The curved plate 110 causes the finger 102 to leave the periphery of the disk 103 against the action of the spring 108, and the spring 111, secured at one end to the stand 101 and at its other end to the lever 99, acts to move the lever 99 on its pivot-stud 100 and cause the free end of the finger 102 to drop into the notch 110 in the switch-cam 110. The movement of the lever 99 through the connection 95 moves the lever 93, hung on the indicatorlever 92, to the left (see Fig. 2) and allows the screw or pin 112, which extends loosely through the slot 93 in said lever 93 and is secured in the end of the angle-lever 88, as above described, to enter the notch 93", lead ing out from the slot 93, when a tube on the supplemental pattern-chain 39 comes under the indicator-lever 92 and allows said lever and the lever 93 to drop down.

In the revolution of the supplemental pattern-chain 39 when a roll 9 comes under the indicator-lever 92 said lever will be raised and with it the lever 93, causing the anglelever 88 by the engagement of the pin 112 thereon with the notch 93 to move on its pivotal support 89 and be disengaged from the arm 82 of the shield (see Fig. 6) and allow the spring to act to draw down the arm 82 and with it the shield 7 9, so that the pawl 57 can engage with the ratchet-wheel 28 of the main-pattern-ehain mechanism. Atthe same time the shield 80 is raised to hold the pawl .55 out of engagement with the ratchet-wheel all of the supplemental-pattern-chain mechanism, and the continued revolution of the indicating-disk 103 causes the indicating-finger 102 to pass out of the notch in the switch-cam 110 onto theperiphery of the indicating-disk 103, moved by the spring 108, and acts to move back the lever 99 against the action of the spring 11.1 and loosen the connection 95 to allow the spring 94: to act to draw the lever 93 to the right in Fig. 2 and disengage the pin 85 from the notch 93" and move it into the slot 93 to allow the lever 93 and the indicator-lever 92 to move freely up and down without moving the angle-lever 88.

The revolution of the main pattern-chain 5 brings the indicator86 on said chain under the indicator-lever 84 at the proper time and raises said lever 84 and through the link 87 raises the arm 82 and allows the spring 91 to act to draw over the angle-lever 88 and bring the end thereof under the arm 82 to hold it in its raised position, as shown in Fig. 6.

The raising of the arm 82 raises the shield 79 under the pawl 57 of the main-patternchain mechanism and lowers the shield 80 under the pawl 55 of the supplemental-pattern-chain mechanism, as shown in Fig. 6. The shield 7 9, extending under the pawl 57 of the main-pattern-chain mechanism, ispivoted to the arm 82 to have a movement in a vertical plane independent of said arm, so that the arm 82 may be raised while the pawl 57 is in engagement with the teeth of the ratchet-wheel 28, and after the pawl 57 has completed its stroke the spring 83 will then act to carry the pawl from engagement with the ratchet-Wheel by causing the shield 79 to lift the said pawl.

From the above description, in connection. with the drawings, the operation of my improvements in box-indicating mechanism will be readilyunderstood by those skilled in the art and briefly is as follows: Suppose the several parts ot the mechanisms to be in the positions shown in the drawings (Fig. 6 showing the proper position of the pawl-shield mechanism) and the loom running. The main pattern-chain 5 will be in operation through the pawl 57 operating the ratchet-wheel 28, (see Fig. 4,) and the heading or border of the blanket will be woven in case a blanket is being woven. When a roll 9 comes under the indicator-lever 74, said lever is raised and through pin 73 raises the end 71 of the shield 71 and lowers said shield 71, allowing the pawl 56 to engage and turn the ratchetwheel 33 and revolve the multiplier-patternchain cylinder 11 and the multiplier patternchain 13. The revolution of the chain 13 carries the roll 9 from under the indicator-lever '78, (see Fig.4) which drops down and through pin 77 (see Fig. 6) lowersthe end 75 of the shield 75 and raises the shield 75 to hold the pawl 57 out of engagement with the ratchetwheel 28, so that the main pattern-chain 5 will stop. The multiplier pattern-chain 13 will continue to run until the indicator-lever 78 is raised by a roll 9, when the shield 75 willbe lowered, and the main pattern-chain 5 will be operated, and the multiplier-chain stop, and so on, the main and multiplier pattern-chains starting and stopping according to the indications of the pattern-surfaces and the drop box mechanism being operated through

levers

17 and 18. During this time IIO the third or supplemental pattern-chain is at rest. When in the revolution of the main pattern-chain 5 the indicator 86 (see Fig. 3) engages the projection 84 on the indicatorlever 84, said. lever is raised and through link 87 raises the arm 82 of the shield 80, and with said arm 82 the shield 79 to hold the pawl 57 out of engagement with the ratchet-wheel 28 of the main pattern-chain 5 and stop said chain. The raising of the arm 82 from the position shown in Fig. 6 to the position shown in Fig. 6 lowers the shield and allows the pawl 55 to engage and turn the ratchetwheel 41 and the supplemental pattern-chain 39 at the same time the shield 79 is raised, as shown in Fig. 6, to stop the main patternchain 5. The revolution of the chain 39 brings a tube under the indicator-lever 92 (see Fig. 4) and lowers said lever and with it the lever 93, bringing the notch 93 in the slot 93 opposite the pin 112 in the angle-le ver 88. (See Fig. 2.) The supplemental pat- 116F11-Ch2tll1 39 continues to run, weaving the striped body between the headings, in the case of a blanket, until the revolution of the indicator-disk 103 on the take-up roll brings the cam-switch 110 in engagement with the lever 102. The lever 99 is then moved by the spring 111, and, through the connector 95, (see Fig. 7,) the lever 98 is moved to the left, (see Fig. 2,) so that the pin 112 will enter the notch 93, and the raising of the lever 93 through the indicator-lever 92 when a roll comes under said lever will rock the anglebination with the main-pattern-chain mechanism,andthe multiplier-pattern-chain mech- F anism, and intermediate connecting mechanism, and mechanism for operating said two lever 88 and disengage the upright arm thereof from the arm 82, (see Fig. 6%) causing the shield 79 to drop and allow the pawl 57 to put into operation the main pattern chain 5. The shield 80 will at the same time be raised to disengage the pawl 55 and stop the supplemental pattern-chain 39. As soon as the lever 102 of the indicating mechanism passes onto the periphery of the disk 103 the connection will be released and the spring 94 act to draw the lever 93 to the right in Fig. 2, so that the pin 112 will work: free in the slot 93.

The supplemental chain 39 will remain at rest i pattern-chain mechanism, a multiplier-pat- 1 tern -chain mechanism, and a shuttle-dropbox-shifting mechanism, and connections beuntil the revolution of the main pattern-chain 5 brings the indicator 86 into position to operate the indicator-lever 8 1, when the operation above described will be repeated to start the supplemental chain 39. In this way the headings or borders are woven by the main and multiplier pattern-chains and the striped body between the headings by the third or supplemental pattern-chain in weaving blankets or shawls, &c.

It will be understood that the details of construction of my mechanisms may be varied, if desired.

Having thus described my invention, what I claim as new, and desireto secure by Letters Patent, is

1. In a loom provided with main-patternchain mechanism, and multiplier-pattern- 1 chain mechanism, the combination with the main-pattern-c-hain mechanism, and the multiplier-pattern-chain mechanism, and intermediate connecting mechanism, and mechanism for operating said pattern-chain mechanisms, of a third or supplemental patternchain mechanism, and intermediate mechanism connecting said supplemental-patternchain mechanism with the main-pattern-chain mechanism,and mechanism for operating said supplementaLpattern-chain mechanism, and connections from the cloth-take-up roll to an indicator-lever of the supplemental-pattern chain mechanism, to automatically put into action the main pattern-chain, substantially as described.

2. In a loom of the class described, the combination with a main-pattern-chain mechanism, a 1nultiplier-pattern-chain mechanism, and a third or supplemental-pattern-chain mechanism, of connections between the main and multiplier pattern-chain mechanisms,

and between the main and supplemental pattern-chain mechanisms, and connections from the cloth-take-up roll to a supplemental indicator-lever of the supplemental-patternchain mechanism, and connections from said supplemental indicator lever to the pawl shield or guard of the main-pattern-chain mechanism, to automatically operate said shield and put into action the main-patternchain mechanism from the supplemental-pattern-chain mechanism, substantially as described.

3. In a loom of the class described, the compattern-chain mechanisms, of a third or supplemental pattern-chain mechanism, and intermediate mechanism, connecting said supplem ental-pattern-chain mechanism with the main and multiplier pattern-chain mechanisms, and mechanism for operating said supplemental pattern chain mechanism, substantially as described.

4:. In a loom, the combination with a maintween the main-pattern-chain mechanism and the box-shifting mechanism, to operate said shifting mechanism from the main patternchain, of a third or supplemental patternchain mechanism, and connections between said supplemental pattern-chain mechanism and the drop-boX-shiftin'g mechanism, to operate said box-shifting mechanism from the supplemental pattern-chain and connections between the main-pattern-chain mechanism and the supplemental-pattern-chain mechanism substantially as set forth.

IVILLIAM XVATTIE. \Vitnesses:

J. O. DEWEY, M. J. GALVIN.