US2144462A - Reed cushion lock - Google Patents

Description

Jan.`171,1939. A. H1 NOBLE .52,144,462

REED CUSHION 'LOCK Filed Aug. 12, 1937 v 2 sheets-sheet I1 num A TTORNE YS.

Jan. 17,1939. A. H, NBQE` Y 12,144,462

I REED CUSHION LOCK Filed Aug. 12, 1937 zrsheets-sheet 2 INVEN'TOR;

A TTORNEYS.

Patented Jan. 17, 1939 REED CUSHION LOCK Arthur H. Noble, Pawtucket, R. I., assigner to Rhode Island Warp Stop Equipment Company, Va corporation of Rhode Island Application' August 12, 1937, Serial No. 158,721

11 Claims.

This invention relates to a cushioning device for use in connection with a loom reed, and is more particularly an improvement of the device shown in the zo-pending patent application of Edwin C. Smith, Serial No. 110,834, led November 14, i936; and has generally the same objects` in View as are set forth in said application.

An adaiucnai object or this invention Vis tb lock the reed cushion so as to hold the reed posittively against swinging movement during that night of the shuttleacross the loom.

Another object of the invention is to provide g a construction which while positively locking the reed and holding it against any resilient movement at the time the shuttle is in flight, willY release the reed so that it may be yieldingly cushioned at the time of beat-up of the filling which has been just previously positioned in the shed.

Another object of the invention is the provision of a simple lock for the reed cushion such for instance as a latch carried by the reed cushion mechanism and engageable with some xed part of ther loom as the lay moves forward toward front center position. y v

Another object of the invention is the provision of a latch with parts so arranged as to en` gage a part carried by thebreast beam and effectively release the locked cushioning mechanism just prior to the beat-up of the filling which has beenl just previously positioned inthe shed.

With these and other objects in view, the invention consists of certain novel features of construction, as will be morey fully described, and particularly pointed out in the appended claims.

In the accompanying drawings:`

Fig. l is a diagrammatic view illustrating the relation of the lay and reedwith my cushioning means and lock therefor shown in position on the lay and breast beam;

Fig. 2 is a perspective vieW of the reed mounting arm;

Fig. 3 is a front elevation of the part of the sword and a part of the lay and reed showing the cushioning device and lock in assembled position;

Fig. 4 is a perspective view of the member providing the pivot stud for the reed mounting arm;

Fig. 5 is a sectional view through the lay land showing the cushioning device mounted thereon with its lock; n

Fig. 6 is a view similar to Fig. 5 but showing the lock as moved to released position;

Fig. l is a perspective view of the cushioning (Cl. 13S- 188) device and lock separate from its mounting on the lay;

Fig. 8 is a perspective view of one of the latch members of the lock detached from the re-l mainder of the mechanism.

in weaving ne goods and particularly rayon and kindred synthetic bers, it is essential that the reed action in applying pressure and in re leasing that pressure be gradual and free from irregularities due to uncontrolled friction or 0bstruction due to uneven wear of co-acting surfaces or mis-application of the forces invoked in actuating and controlling the reed. It is desirable that the reed encounter the pick and move it at all times to ultimate position with a' steady and relatively gentle elastic pressure and then accomplish the ultimate placement and incorpo-- ration of the pick with the fabric by means of more intense but` equally rm steady elastic pressure. This desired action is accomplished by the use of some yielding means such as a spring or av plurality of springs arranged to increase its or their intensity throughout the restricted range of movement of the reed in beating up the pick.

This vspring pressure which serves to hold the reed in place is undesirable, however, during the flight of the shuttle as the reed serves as a guide for the travel of the shuttle, and accordingly, it is desired that the reed be held positively with reference to the lay with no opportunity for resilient movement while the shuttle travels across the lay; and in order to accomplish this result I have provided a lock which will positively prevent any movement of the reed with reference to the lay and thus prevent the reed from moving at the ytime ofthe night of the shuttle across the lay; and the following is a more detailed description of the present embodiment of thisinvention, illustrating the preferred means by which these advantageous results may be accomplished:

With reference to the drawings, I0 designates the breast beam over which the finished fabric Il is drawn. l2 designates generally the lay mounted upon swords i3 to be swung about a rock shaft (not shown) by the crank arm It from the crank shaft I5 to move the lay with thev reed holder it and reed il to beat-up the pick previously placed in the shed i8 formed by the harnesses I9 and 2t which raise and lower the warps 2i and 22 drawn from vthe warp beam 23 over the guide 2li and through the leasel 25, the foregoing being all'usual loom structure and old in the art. The lay l2 ismounted upon a bracket 26 on the lay sword i3, and this bracket extends upwardly as at 21 as a continuation of the upper end of the sword and hasmounted thereon the L-,shaped pivot block 28 adjustable in the l slot 29 and which is provided with a cone projection 30 to enter the opening 3| in the arm 32 which constitutes one of the bearings by which the reed is pivotally or pendulously mounted on the lay, this arm having an upper reed holderV 33 and a lower reed holder 34 to receive the reed I6 therein. The upper reed holder is sesured tol the arm 32 by the bolt 80 extending through slot 8lV and held in position by the wing nut 82, while the lower reed holder is suitably secured in the L-shaped lower end 83 of this arm, as shown in Fig.V 2, such as by fastenings extending through the openings 84.' Thus, by this mounting the reed holder with the reed therein is capable of swinging about the pivot 3D as a center as pressure is brought to bear upon the front side of the reed such for instance as during the beatup of the pick.

In order to control rearward swinging of the reed I have provided a bracket which is designated generally 35 and is shown in perspective in Fig. '7, which provides a face 36 to engage beneath the lay I2 with a flange 31 to engage the front of the lay as also shown in Fig. 5, while lugs 38 with openings 39 provide a convenient means for fastening this bracket to the lay in the position shown. This bracket provides a short downwardly extending arm 4B at the front of the bracket and a longer downwardly extending arm 4| at its other end, this latter arm 4I being provided with a projecting tongue. 42 to which the bifurcated end 43 of a lever 44 is piv-v oted by means of a pin 45, this lever being provided at its upper end with an anti-friction roll 4B which bears against a plate 41 upon the reed holder for controlling thermovement of the reed holder and the reed therein. This lever 44 is controlled by means of a rod 48 which extends through a slot 49 in the lever and is provi-ded with a nut 5i! and washer 5| providing a suitable abutment through which the lever is pulled -toward the reed. This rod 48 extends through the arm 4l and also through an opening 52 in the arm 40, which opening slidably receives a sleeve 53 having a ange 54 to engage the surface of the arm 43 about the opening and limit its movement therethrough. A recess 55 may be provided in v the arm of the depth substantially the thickness of the flange to receive this flange, as illustrated in Fig. 5. The flanged end of the sleeve 53 is partially closed as at 56 with an opening 51 therein for free sliding therethrough of the rod 43. This rod 48 is threaded at its free end 58 to receive the nut 59 and abutment washer 60. This washer serves as an abutment for one end of the compression spring El while the other end extends freely into the sleeve 53 and engages the closed end 55 of the sleeve so as to exert pressure tending to move the abutment 60 to the right, as shown in Fig. 5.

A sleeve (i2 through which rod 48 extends is threaded through the opening 63 in the arm 4| by which' it may be readily adjusted by its head 64 and is held in adjusted position through this arm by means of the lock nut 65. This sleeve 52 provides an abutment for a spring 66 which is heavier and stronger than the spring 6I and which acts between the end 61 of the sleeve S2 and the closed end 55 or flange 54 of the sleeve 53 tending' to force the Sleeve 53 to the right, as shown in Fig. 5, and serving to control any sliding movement of the sleeve 53 through its opening 52.

In order to positively lock the rod 48 against any movement and also lock the lever 44 rmly against the reed holder and hold the reed against any movement relative to the lay, I have provided a locking means consisting of a pair of latches 1li pivoted as at 1| on the bracket 35 each pulled by means of spring 12 to swing the same about its pivot and move the portion 13 thereof back of the abutment washer 50 so as to positively prevent sliding movement of the rod 48 rearwardly. Each of these latches has an ear 14 extending upwardly to engage a trip finger 15 ,mounted on the breast beam l and extending downwardly into the path of movement of the latches 14 so that as the lay moves forward theA ear 14 will engage this finger 15 and swing the latch about its pivot 1i, as shown in Fig. 6, to removev the same from engagement with the abutment washer D.

In operation, as the lay swings forward by reason of the crank arm I4 the ears 14 will engage the fingers and lift the locking latches from locking position. The reed will then engage the fell of the cloth designated 16 and as beat-up occurs the reed holder will swing backwardly, moving the lever arm 44 which Yin turn draws the rod 48 to rst compress the-light spring 6l until the washer 60 engages the end 11 of the sleeve 53, whereupon further movement of the lever andrrod will cause the sleeve 53 to slide through'the arm 45 to compress the spring 63, and this being of a greater strength will apply greater pressure upon the reed holder and reed until the limit of beat-up has occurred, whereby successive action of the springs causes a multiplied pressure to be provided, the next succeeding spring coming into action only after the resistance of the previous spring is exhausted. Then as recession takes place a strong spring will first move outwardly followed by the movement of the parts by the weaker spring and as the lay recedes from the breast beam the latches 13 will drop back of the abutment of the washer 33 that the parts again assume the position shown in Fig. 5, in which position the reed is positively locked against. movement and will remain so locked during the remainder of the cycle of Y the crank shaft and during the ilight of the shuttle and until the next cycle of the crank shaft brings the lay forward again to beat-up position when the same process will be repeated.

The foregoing description is directed solely towards the construction illustrated, but I desire it to be understood that I reserve the privilege of resorting to all the mechanical changes to which the device is susceptible, the invention being dened and limited only by the terms of the appended claims.

I claim:

1. In a fly shuttle loom, a reciprocating lay,

Ya shuttle, a reed mounted on the lay for rearward movement relative thereto at the time of beat-up, means yieldingly opposing said rearward movement of the reed at the time of beat-up, and means to engage said yielding means and through it positively lock the reed against movement relative to the lay during the flight of the shuttle but to release the reed at the time of beat-up.

2. In a fly shuttle loom, a reciprocating lay, a shuttle, a reed mounted on the lay for rearward movement relative thereto at the time of beat-up, means yieldingly opposing said rearward movement of the reed: at the time of beatup, and means to engage said yielding means and through it positively lock the reed against movement relative to the lay at all times except at the time of beat-up.

3. In a fly shuttle loom, a reciprocating lay, a shuttle, a reed mounted on the lay for rearward movement relative thereto at the time of ,beat-up, means yieldingly opposing said rearward movement of the reed at the time of beatup, and means wholly carried by the lay to engage said yielding means and through it positively lock the reed against movement relative to the lay at al1 times except at the time of beat-up.

4. In a fly shuttle loom, a reciprocating lay, a shuttle, a reed mounted on the lay for rearward movement relative thereto at the time of beat-up, means yieldingly opposing said rearward movement of the reed at the time of beatup, and means carried by the lay throughout its path of travel to engage said yielding means and through it positively lock the reed against movement relative to the lay, said means being released at the time of beat-up by engagement with some part with reference to which the lay mOVeS.

5. In a y shuttle loom, a reciprocating lay, a shuttle, a reed mounted on the lay for rearward movement relative thereto at the time of beat-up, means yieldingly opposing said rearward movement of the reed at the time of beat-up, and a latch to engage said yielding means and positively lock the reed against movement relative to the lay at the time of shuttle flight.

6. In a fly shuttle loom, a reciprocating lay, a shuttle, a reed mounted on the lay for rearward movement relative thereto at the time of beat-up, means yieldingly opposing said rearward movement of the reed at the time of beat-up, and a latch carried. by the lay to engage said yielding means and positively lock the reed against movement relative to the lay at the time of shuttle flight.

'7. In a y shuttle loom, a breast beam, a reciprocating lay, a shuttle, a reed mounted on the lay for rearward movement relative thereto at the time of beat-up, means yieldingly opposing said rearward movement of the reed at the time of beat-up, and means carried by the lay throughout its path of travel and acting through said yielding means to positively lock the reed against movement relative to the lay, said means being engageable with a part carried by the breast beam to move the latch to release the reed at the time of beat-up.

8. In a ily shuttle loom, a reciprocatingy lay, a shuttle, a reed mounted on the lay for rearward movement relative thereto at the time of beat-up, and a latch carried by the lay throughout its path of travel to positively lock the reed against movement relative to the lay, said latch being engageable with a fixed part with reference to which the lay moves to move it to released position at the time of beat-up.

9. In a fly shuttle loom, a breast beam, a reciprocating lay, a shuttle, a reed mounted on the lay for rearward movement relative thereto at the time of beat-up, means yieldingly opposing said rearward movement of the reed at the time of beat-up, and a latch carried by the lay throughout its path of travel to positively lock' the reed against movement relative to the lay, said latch being engageable with a part carried by the breast beam to move the latch to release the reed at the time of beat-up.

10. In a fly shuttle loom, a reciprocating lay, a shuttle, a reed mounted on the lay for rearward movement relative thereto at the time of beat-up, and means carried by the lay throughout its path of travel to positively lock the reed against movement relative to the lay, and a finger carried by a xed portion of the loom to engage said means as it moves to beat-up position to move the means to released position.

11. In a y shuttle loom, a reciprocating lay, a shuttle, a reed mounted on the lay for rearward movement relative thereto at the time of beat-up, and a latch carried by the l'ay throughet its path of travel to positively lock the reed against movement relative to the lay, and a nger carried by the breast beam to extend into the path of travel of said latch to engage the latch and move the same to release position at the time of beat-up.

ARTHUR I-I. NOBLE.

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