US1990623A

US1990623A - Tension release mechanism

Info

Publication number: US1990623A
Application number: US573014A
Authority: US
Inventors: Tremblay Euclide
Original assignee: Individual
Current assignee: Individual
Priority date: 1931-11-04
Filing date: 1931-11-04
Publication date: 1935-02-12
Anticipated expiration: 1952-02-12

Description

Feb. l2, 1935. l E. TREMBLAY TENSION RELEASE MECHANISM Filed Nov. 4, 195i 2 Sheets-Shea?l 1 l Inventor EQ2/0&5@ E' Bym;

Feb. 12, F935. E TREMBLAY 1,990,623

TENSION RELEASE MECHANISM Filed Nov. 4, 1931 2 Sheets-Sheet 2 j if Inventor /liorney Patented Feb. 119,35 i* y #TTT K.

UNITE-D;.STAT-s PATENT- 'oiificii 1j l V1,990,623 Y Y YTiiNsioN,RiiliiiiisiiMiiciiANisii/i1v ,L l

, Euclide Tremblay, Iiawrence, Mass.

Application Nbvemberii, ieanseriaiNo. 573,614'

' 2 claims. Cifras-187i v f v Y I'his invention relates to an accessory or ap- In order to maintain the finger 20 in contact purtenance for use on conventional looms, and with the crank arm 11 and to provide the desired it has more specic reference to a structure which timed tension release action, I provide a coiled is properly described as a tension release mechspring 18', the same being secured as at 19 to the msnm peculiarly bent portion 16 of the rocker 14. A 5 Brieiiy, the inventive conception comprehends link 20 serves to anchor the spring to the leg 10 the provision of a novel mechanism especially dethrough the. medium of an attaching bracket 21. vised and constructed to release the tension on The oscillatory actuator 14 is provided with aV shuttle when the picker is ready to throw'desired tension producing means which is here the shuttle across. shown in the form of an arm 22 having a collar l0 The purpose of the invention is to provide an 23 adjustably secured by set screws 24 on the automatically operable tension release mecharocker shaft 15. Thus the armvmay be described nism designed to permit a loom to be run at high asa rocker arm, and its free end is bent into V- speed without burning pickers, saving on the shaped form as indicated at 25 and the apex porpick motion, such as picker sticks, pickers, pick` tion 26 thereof cci-operates with the hinged leaf 8 l5 rolls, and shoes, and otherwise fullling the rewhich in turn bears against the adjacent shuttle. quirements of the mechanism of this class in a Each leaf or binder 8 has a plate 8 attached highly satisfactory manner. thereto which is engaged by the portion 26 of the In the drawings: arm 22, as shown in Figures 1 and 3, and these Figure 1 is a front elevational view of the lay plates partly bridge the spaces between the leaves 20 of a conventional 100m With the Oscillatory terlor binders 8. As is well known, the shuttle enters sion releasel mechanism 21111311611 theretothe shuttlebox on the forward motion of the lay, Figure 1S an end YeW 0f Flgllle 1 ObSeTVlIlg the and the box moves up or down also at this time, assembly in a direction from right to left. so that by having the plates on the binders, the

Figure 3 is a Vertical Sctional View showing the finger 22 rides on these plates while the box is be- 25 Co'peraton of the sprmgpressed tenslon' pro' ing'shifted and thus the pressure of the iinger duC1-ng ngr th ,E remains on the binder longer, giving the shuttle abgr eqelfragmentary new of e adlus time to set before the finger leaves the binder.

. The idea is to have pressure on the binder as 30 *Flgur'e 5 1S a perspectwe new of' the Oscluatory long as is possible before the shuttle is ready to be actuator for the rocker arm. g

In therdrawings the conventional 100m laygsV thrown across the loom, at which time all the vdesignated by the numeral 6, and the shuttle boxes Pressure ifs take@ Off; bythe numeral '7. The numerals 8 designate the The Splmg actlfm 1S apphed t0 the bent DOTT/1011 customary hingedly mounted leaves co-operable 0f th? QSCllfOlfY atllatoro that the nger 20 iS with the shuttles 9. The lay sword or leg is inmaintained in contact with the crank arm 11 dicated by the numeral 10, and the crank arm by and the hooked end of the rocker arm is pressed the numeral 11 (see Figure 2). yieldably against the adjacent leaf or plate 8.

The attachment COIIIPISGS a pail' 0f brackets The mechanism is-applicable to each end of the 40 12 PTOVded With bearing eyes 13these being Suit loom and provides the desired timed yieldable 40 ably fastenedtO the 1915- These bearmgs Senf@ regulation of the tension to the shuttle but when to accommodate the oscillatory actuator1 14. This the Crank arm 11 moves upwardly in rocking the actuators fprmed fromasmgle rodpavtngahon' lay forwardly the engagement of the arm 20 by Zonta'l portlon 15 mounted for oscluatl'on m the the crank arm 11 will move the member 14 to bearings 13 and constituting a rccicler shlafmtthe Cause a rocking motion of the part 15 in the intermediate portion of said ro eing en as u indicated at 16 to `underlie the shuttle box, and bearmg 13 so that the lge* 22 1S swung out the Opposite end portion of the rod being fash wardly to release the tension from the leaf 8 so ioned as indicated at 17 to provide an actuating tl; pll's Stklrhle tskllteesfr m. Y 2 y arThere is a xture on the upper end of this arm of this attachment on the loom permits the latter comprising a sleeve 18 attached by a set screw 19 t0 be T1111 at hg'h Speed llllthOllt 10111111118 the plckand said sleeve is provided with a iinger 20 coop- BTS @11d 1110011101118 1101110821016 SaVlIlg 111 the P10K erable in proper timed relation with the crank m0121011.

arm 11. y It is thought from the foregoing description 55 that the advantages and novel features of the invention will be readily apparent.

It is to be understood that changes may be made in the construction and in the combination and arrangement of the several parts provided that such changes fall4 within the scope of the appended claims.

I claim:

1. An attachment for a loom, said loom comprising a crank arm, a lay sword a shuttle binder and a shuttle box, said attachment comprising bracket means attachable to said loom, a rocker shaft mounted for 'oscillation in said bracket means, means carried by said rocker shaft for cooperation with said crank arm, a rocker arm carried by said rocker shaft and cooperable with said shuttle binder of said' shuttle box, spring means cooperable with said rocker shaft and attachable to said lay sword to maintain said arm in yieldable operative position, and a plate attached to said shuttle binder and engaged by a part of said rocker arm and on which said partv of said rocker arm rides while said shuttle box is being shifted.

2. An attachment for a loom, said loom comprising a crank arm a lay sword and a shuttle box, said attachment comprising bracket means attachable to said loom, a rod member mounted for oscillation in said bracket means and so formed between its ends as to form a rocker shaft and an upstanding trip member, a bracket on the upper portion of said trip member including-a finger cooperable with said crank arm, a spring attached to the intermediate portion of said rod member and having means for anchorage-to said lay sword, and a rocker arm secured to said rocker shaft having its upper portion offset and cooperable with said shuttle box.

EUCLIDE TREMBLAY`