US872782A - Shuttle-check for looms. - Google Patents

Description

No. 872,782. PATENTED DEC. 3, 1907.

- w. H. AYER.

SHUTTLE CHECK FOR LOOMS. APPLIOATION FILED MAY 17, 1967.

eflectually cushion WILLIAM H. AYER, OF OLAREMONT, NEW HAMPSHIRE.

SHUTTLE-CHECK FOB LOOMS. I

No. 872 782. Specincation of Letters Patent. Patented Dec. 3, 1907. I

Application filed May 17.1907. Serial No. 374.220.

T 0 all whom it may concern:

Be it known that 1, WILLIAM H. AYER, a citizen of the United States, residing at Claremont, in the county of'Sullivan and State of New Hampshire, have. invented certain new and useful Improvements in Shuttle-Checks for Looms, of which the fol. lowing is a specification.

My invention relates to improvements in shuttle checks for looms, and refers in particular to that class of looms in which the shuttle checking is accomplished by the action or": the check on the picker stick. In this coni'iection, the invention is applicable to looms in which the picker is connects with the picker stick, or in whichthe picker runs on a picker rod.

The principal object of'my 'inventiomjis the provision of a' shuttle check of extremely simple and durable construction which will the impact of the shuttle on the picker and hold the picker stick and consequently the picker and shuttle from rebounding, thereby preventing any loss'in the shuttle-throwing power and being of reat benefit to the 100m.

Another object of my invention, is to pro 'vide a shuttle. checkwhich will position the picker stick and conse uently the picker directly in line with the's uttle point, thereby making it impossible for the shuttleto the lay of the loom wear the picker in the wrong place, as theimproper wearing of the picker would eventually cause the shuttle to fiy out of the loom. My invention also has'for' its object the provision of a check which is adjustable and may be adapted to the lays,o'f various types of looms,-and a furtherobjectofthe invention 'is the provision of a'checkfposs'essing the above attributes'which s'hall -be entirely practical and --efficient in every respect.

-With the above and other objects in View, my invention consists broadly of" spring braking members adju'stably mounted upon having inwardly flaring portions to engage and retard the motion of the picker stick, and guiding means for the v free ends of the spring retarding .members.

The invention further comprises a shuttle check embodying certain other novel' features of construction, combination and arrangement of parts substant ally as dise closed herein and illustrated in the accompanying drawings, n which:

Figure- 1, is a side elevationof one end of the lay of a loom having my improved shut d the end'thereof, by the thereof. Lock nuts place by tle check applied thereto, the picker stick ,being indicated in dotted lines. Fig. 2, is a bottom plan view of the same, the picker stick being omitted.

view partly in section of a slightly modified form of supporting bracket for the spring retarding members. Fi of a modified form of guide for the ends of the resilient spring members.

' In the drawings: The numeral 1, designates one end of an ordinary lay which is proback way 2, in which the vpicker stick 3, plays from andforth. -Aliixed to the lay inward fastenings 3", are the pair-of oppositely-disposed depending brackets 4. Flat steel springs 5, have their ends secured to the. depending portions of the supporting brackets y'fasten'ing bolts 6, and these supporting brackets are provided with a lateral wing exable set screws 8, the inner ends of these set screws bearing upon the spring members to forcerthe sameinward and adjust the tension 9, are preferably arranged upon the outer portions of the set screws to hold them in adjusted position. From their point of support, the flat spring members are directed inwardly or toward the race on a gradual curve as at 10,- to a con verging ipoint 11, where the spring members are pre rablyj in light contactv with .each other Fromf'their point of probable contact, the points or ends of the springs are flared outwardly as at 12. To the inner wearing faces of the springs near the free ends thereof. are usually secured the layers of leather or other suitable frictionalmaterial 13, such frictional surface being held in rivets 14, or'other suitable fastening means may guiding loop 15, is mounted at theouter end of the lay which surrounds the free'fiaring ends of the s rings tojpr'event unusual spreading 'offt s rings in contact '-with th;e picker stick when t e stick is in position therebetween. Depending from the extreme end of thelay, s a stop l6, having'a narrow-depending guldlng fin er 17 which serves to'separate the free en s ofthe spring retarding members and keep the ends of themenibers centrally located with-respect to the race.

In the modification illustrated in Fig. 3, the supporting brackets for the spring re- Fig. 3, is a detail end 4, is-a detail view vided with th usual slottedrace or guide-- bolts or other suitable I tension 7 1n which are mounted the adjust-.

'e'i same andgjto. hold the be employed. A depending to said angular extensions by means of the fastening screws ,or bolts 22, are the supplementary supporting brackets 23, which are each provided with the lateral wing extensions and set screws as before described, such last-nanied parts ing designated by the numerals 7, and S, occurring in Figs. 1 and 2. This form of supporting bracket is thus made in two arts, the lower part being rotatably adjusta )le with respect to the upper part. so that the tension of the retarding spring may be roughly adjusted by shifting the lower portion of the supporting bracket and' then ctuuplet'ing the adjustment by means of the set screw. 7

As illustrated inFig. 4, the guide for the free ends of the spring retarding arms may be formed ol' one continuous piece, the same. consisting of a resilient flat plate having anarrow attaching portion 24, and a widened lower portion 25, having parallel slots or openings 26, therethrough -to receive. the flaring ends of the spring members. The

comparatively thin strip 27, betweeirthe" parallel openings in the guiding late prevents the free flaring ends of tie spring members from approaching each other too closely,while the outside boundaries to the parallel openings limit the spreading tendency of the spring members.

In the operation of the device, the spring arms bear against the picker stick in its return stroke about two inches from its rear normal position, then when the shuttle strikes aga-inst'the icker which is carried by the front of the pic er stick, the shuttle will force the picker stick back to the limit of the picker stick .race, and the spring arms bearing against the picker stick, will cause the picker stick, picker and shuttle to be brought to a complete, gradual and easy stop without any rebound of the parts. The check thus yields gradually to the impact of the shuttle on the picker and cushions the impact.

.The tension of the s rin members with respect to the picker stick may readily be adjusted at any time by means of the set screws.

From the foregoing description taken 'in connection with the drawings, it will be readily apparent that I have provided a shuttle check which accoinplislies'all the results herein set forth-as the objects of the invention, and which is practical and satisfactory inevery respect.

1 claim:

1. The combination with the lay of a loom,

5 3. A shuttle check coin-prising angulau 5 brackets having a' horizontally. adjustable i supporting portion, converging spring members carried by said supporting portions and set screws mounted -in the supporting portions to engage the spring members to adjust the. tension thereof.

4. In a shuttle check, the combination with spring retarding. members, of a guiding plate having openings therein to receive the free ends of the spring members and form av guide for such free ends, the guiding openings in theplate being separated by a comparatively 'thin strip which acts as an abutment to keep the ends of' the spring members properly spaced.

5. The combination with the lay of a. loom. of angular brackets depending therefrom, the brackets having a lateral extension parallel to the lay, flat springs secured to the bracket, set screws carried by the lateralextensions to regulate the springs,' the springs having curved converging ends faced with friction material, a guiding loop depending from the lay surrounding the free ends of the springs, and an abutment arranged between the ends of the springs of angular brackets depending therefrom, the brackets having a lateral extension parallel to the lay, flat springs secured to the bracksions to regulate the springs, the springs having curved converging ends faced with triction material, a fiat plate depending from thereinto receive the ends of the springs, the guiding openings being separated by. a strip ends of the springs spaced apart.

In testimony whereof I al'lix my signature in presence of two witnesses.

WILLIAM H. AYER.

W itnesses: I

H; W. P. PUTNAM, EUGENE MiLLETTE.

to hold the same spaced apart. 6. The combination 'with the lay of a 10011,;

the end of the lay having guiding openings Pets, set screws carried by the lateral extenwhich strip acts as an abutment to hold the

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