US956725A - Loom-temple. - Google Patents

Description

J. NORTHROP.

LOOM TEMPLE.

APPLICATION FILED 13110.16, 190s.

Ptented May 3, 1910.

ANDREW B. GRAMM C0,. P

J. NORTHROP.

LOOM TEMPLE.

APPLICATION FILED DEO.1B, 1908.

Patented May 3, 1910.

J. NORTHBOP.

LOOM TBMIfLE. APPLICATION FILED DBO. 16, 1908.

Patented May 3, 1910.

8 SHEBTB-BHIIET 3.

ANDFEW a. GRAHAM 00.. Pnow umcmuwms. WA$1VNGYON, 0.:

UNITED STATES PATENT OFFICE.

JONAS NORTI-IROP, 0F HOPEDALE, MASSACHUSETTS, ASSIGNOR TO WILLIAM F. DRAPER, OF HOPEDALE, MASSACHUSETTS.

LOOM-TEMPLE.

To all whom it may concern:

Be it known that I, JONAS NORTHROP, a citizen of the United States, and resident of Hopedale, county of Worcester, State of Massachusetts, have invented an Improvement in Loom-Temples, of which the following description, in connection with the accompanying drawings, is a specification, like numerals on the drawings representing like parts.

The invention to be hereinafter described relates to loom temples, and more particularly to that type generally known as jaw temples.

The aims and purposes of the present in vention will best be understood and made clear from the following description and accompanying drawings of one form or embodiment of means for carrying the invention into effect, it being understood that the true scope of the invention is not circumscribed by such illustrated and described means, except as definitely pointed out in the claims.

In the drawings :Figure 1 is a plan view with parts broken away showing sulficient of a loom to make clear the associa tion of the present invention therewith; Fig. 2 is a section on the line 22, Fig. 1; Fig. 3 is an enlarged sectional view similar to that of Fig. 2, showing the lay in its movement to forward position and the temple jaws separated; Fig. 4 is a view similar to that of Fig. 3, showing the lay as having completed its forward movement andjust prior to its retreat, the temple jaws being closed upon the fabric; Fig. 5 is an enlarged side view of the temple detached; Fig. 6 is a plan view of the parts shown in Fig. 5 with the temple rod or shank broken away; Fig. 7 is a section on the line 7 7 of Fig. 5; Fig. 8 is an enlarged detailend view of the temple jaws showing engagement of the teeth with the fabric and the general character 'ofthe jaw sur faces Fig. 9 is a view of the cloth engaging ace offthe upper jaw; Fig. 10 1s a section on line 10--1O of Fig. 5; andfFig.

11 is an enlarged fragmentary viewof teeth formation on the upperjaw. Y

Referring more particularly to Fi s.- 1,

3 and 4:, the loom, frame 1, the breast earn 2,

he lay-'3, the: reed i, and the means'for mov-- in the well understood. mannerj ing the 19. may bet 9 51117111311611 Z1- desired. character.

Specification of Letters Patent.

Appfication filed December 16, 1908.

the directional Patented May 3, 1910.

Serial No. 467,745.

In the present illustration, the loom frame 1 is shown as supporting an appro riately driven sand roll 5 over which the abric 6 passes to the usual cloth roll, and adjacent either edge portion of the fabric is the temple of the present invention disposed to engage and act upon the cloth in the manner and for the purpose as will hereinafter more fully appear. Mounted upon suitable brackets or supports 7 adjustable on the breast beam 2 by suitable means, such as the screw bolts '8, are the temple holders 9, each comprising a base portion 10, Fig. 10, and a cap 11, said base and cap each having a projecting slotted flange 12, Figs. 1 and 10, en gaged by the screws 13, or other suitable means for adjustably connecting the temple holders to their respective supporting brack ets, additional screws 14:, 14:, Fig. 1, being employed, if desired, to' hold the base and cap together when the parts are removed from the breast beam. It is usual to employ a temple at each edge portion of the fabric be ing woven, and, aside from the fact that one is a right and the other a left temple, they are or may be substantially of the same construction, so that a description of one will be sufiicient. The temple holder 9 affords a sup port for the sliding temple rod or shank 15, Fig. 5, the stein 16 of which extends into the holder and is surrounded by a spring 17 disposed between the shouldered portion 18 of the shank and the seat 19 of the holder, the construction being such that the spring nor- 'mally acts to hold the temple rod or shank 15 and its attached temple in its position nearest the lay, with the shouldered portion 18' restin against the shoulder 20 formed on the interior of the holder. The temple rod or shank 15 extends from the holder 9 toward the lay and is provided with upper and lower temple'jaws 21 and 22, one of which is movable toward and from the other in order to clamp and hold the fabric at times and release it at other times as will presently appear. In the illustrated form of the in vention the lower temple jaw is'shown as rigid with or secured to the shank 15, and the upper'jaw-as movable toward and from the loweraw, but obviously this is not essential to t e true character of the invention.

As one means of mounting-the, movable jaw,ithe rod or shank 15 is provided with a plliojfecti'ng stud 23 carrying-.21. s1eeve'24 from which=projectsan arm 25ijointed tothe-up' per jaw by lugs 26 and pin 27, Figs. 5 and 7, said con11ection=with the stud 23 constituting in effect a toggle, and the construction being such that upon movement of said sleeve 24L clockwise, viewing Fig. 5, the upper jaw 21 will be forcibly moved toward the lower jaw and upon movement, of said sleeve contra clockwise, viewing Fig. 5, the upper jaw will be raised. While for some purposes of the invention relative movements. of the two jaws to clamp and release the fabric will be sufficient andis contemplated in some forms ofthe present invention, it is to be noted that tionwith the lay action and its effect upon the fabric in beating up. Projecting from the sleeve 2a is an arm 28- normally under the active control of a spring 29., Figs. 2, L

and 5, interposed between a portion of said arm and a lug 30 projecting fromthe temple rod or, shank 15, said spring being preferably seated in a suitable socket, as indicated. by

dotted lines, Fig. 5, formed in the arm 28,

and acting to normally-maintain the upper jaw. in clamping relation with respect to the lower jaw. Mounted on a-st-ud 31, or other support carried by. the temple rod or shank 15, is a jaw actuator. 32 carrying a. roll or curved surface 33, said actuator having a tailpiece 34a-to be moved by-the lay and normally held in position for engagement thereby by a spring 35, the constructionand gen-.

eral relation. of: parts being such. that uponthe forward movement of the lay, as hereinafter appears, the tail-piece 34,. will be moved and the actuator turned. about its supporting stud-31; the spring'35 serving. to return theactuator toinitialposition, Fig. 5', as the lay retreats. The tails-piece 3a. is shaped and-v located as shown, or otherwisesovmade that it. will not contact with the sand roll 5 and injure the. same or the temple: or. shuttle, even should? the temple asawhole'be-forced rearwardtas. by an. improperly boxed or tra pedshuttle.

I 's well: known bythose skilled. in, the art,

the lay.= on its forward movement carries lhe 0 last shot of'fil'ling withit towardrthe fell! of- Y the cloth, and, at. the moment" oh heats up, drives: such; filling into place. closely adjacent thevpreviousi'shot; whichimay be-in a. different warp sheds Such actionipfrthelay, 'in eonnectioh .with; temples heretoforejmuse,

has produced what is technically known as the bump, that is, it forces the fell of the cloth toward the loom front causing a transversely extending roll or wrinkle in the cloth, and this roll or wrinkle follows the lay backward as the latter retreats and the fabric straightens out again, thus causing objections well understood by those familiar with loom operations. To avoid this defective action, the present invention contemplates relative lay and' temple jaw movements, such that, as the lay moves to and" ap proaches its forward limit of movement the jaws will be caused to unclamp the fabric and then, prior to backward movement of the lay, to again clamp it. As one form of means to this end the arm 28, Figs. 2, 3, t and 5', carries a jaw trip 36 pivotally connected thereto, as indicated, and comprising a toe 37 and a toe-stop 38, said toe being adapted for engagement with the roll or curved surface 33 of the actuator 32, so that as the lay moves the tail-piece 34,the roll or curved surface 33 will meet the jaw-trip between the toe 37 and stop 38, raise the outer end'of the arm 28 and lift the upper jaw 21, as indicated in Fig. 3; and as the lay movement approaches its forward limit the jaw trip 36 will be tripped from its engagement with the roll or curved surface 33, as indicated in Fig. 4, thus permitting the spring 29 to close the jaws upon the fabric between them. A projection 39 on the arm 28 cooperating with the toe-stop 38 prevents the jaw trip 36 from swinging too far from operative position when freeing itself from the roll or curved surface 33 and a stop 40 on the temple rod or shank 15 serves to limit the swing of the jaw actuator 32.

From the construction thusfar described it will beapparent to those skilled in the artthat as the lay moves to the beat-up position and prior to the full forward movement thereof, it will meet the tail-piece and cause the upper jaw to=1nove diagonally upward and away from the lower jaw, thus freeing the fabric by a movement partially inthe directionof the cloth travel; and as the lay reaches its full forward-position, orit maybe just prior thereto. and before startinglon its backward movement, the jaw trip will free itself from the actuator and permit the upper jaw to move diagonally downward to again clamp the fabric, which is thus prevented fromfollowing the lay movement. It will benOte-d also that at the timethe fabric is released from the temple jaws it is be-- securely hold the fabric distended, it is also a matter of importance that this result be not secured at the expense of injury to the fabric itself. On the one hand the temple jaws should act upon an extended area of the fabric, yet the repeated clamping and unclamping of the same portion of the fabric when the temple jaws are thus ex tended is liable to injure the product, and especially is this the case along the selvages, which are usually more bulky and thicker than the body of the fabric. In the present invention one of the jaws is formed preferably with a plain yielding or elastic surface and the other cooperating therewith is provided with teeth preferably constructed and arranged to provide a desirable holding area Without at the same time subjecting either the main body of the fabric or the selvages thereof to injurious treatment.

Having reference more particularly to Fig. 8, one of the jaws, the lower fixed jaw 22 in the illustrated form of the invention, is faced with an elastic or yielding substance 41, such as leather or the like, extending preferably, though not of necessity, over the entire surface of the lower jaw. The upper or movable jaw, Figs. 8, 9 and'll, is provided with groups of holding teeth 42, 42, disposed on widely separated portions of the jawface, the portions between said groups of teeth being plain and preferably cut away, grooved, or countersunk so as not to materic 1y press upon the fabric when the jaws arein clamping positions. In the construction shown, Fig. 9, the teeth 42 are arranged in two parallel groups or series of rows with a grooved or countersunk plain space 43 between them, and at the portion of said groups, which act upon the fabric near the selvages thereof, the number of fabric engaging teeth'is lessened, as by beveling off the said parallel groups at 44. From this general character of jaw construction, it will be noted that an extended area of the fabric is under control of the temple,

, yet by reason of the blank portions on the jaw face, the part of the fabric passing therethrough is not subjected to the con stantly recurring clamping and unclamping action calculated to injure the thread structure, and the comparatively bulky selvages are perfectly reserved.

The indivi ual formation of the teeth 42 is such that the incline with their pointed ends 48 towar the breast beam and the selvage holding edge of the jaw, as indicated in Figs. 8 and 11. As one means of securing this double inclination and thereby preventing cloth contraction and any movement of the cloth through the temple due to the pull of the shedding mechanism, the teeth are produced preferably by cuts 45 extending from the salvage ed e of the jaw to the inner edge, and diagona cuts 46 interportion of the fabric as it passes through the jaws, so that injury to the product by the jaw teeth is avoided.

While it is preferred to form the fabric holding teeth in the manner stated so that groups Will be presented for action on widely separated portions of the fabric, with a minimum number, consistent with proper holding, acting adjacent the selvages, it is apparent that the invention is not restricted to the details illustrated and described, variations in these and other portions of the temple structure being contemplated by the invention, which is definitely pointed out by the claims.

What is claimed is 1. A loom temple comprising two jaws relatively movable to clamp a fabric passing between them, and means for so moving the jaws, one .of said jaws being provided with a cloth engaging portion the extent of which is reduced adjacent the selvage engaging edge of the jaw to avoid injury to the cloth selvage.

2. A loom temple comprising two jaws, and means for relatively moving them to clamp and release a fabric between the jaws, one of said jaws being provided with a plurality of groups of fabric engaging teeth, the number of teeth in the groups being reduced adjacent the selvage engaging edge of the jaw.

3. A loom temple comprising two jaws, and means for moving said jaws relatively to clamp and release a fabric between them, one of said jaws having a lurality of fabric engaging portions, the fa ric engaging extent of which is reduced adjacent the selvage engaging edge of the jaw.

-4. A aw temple for looms, comprisingtwo jaws relatively movable for clamping and unclamping a fabric between them, one of said jaws bBll1%3pIOVld6d with a plurality of grou s of fa ric engaging teeth, said groups ing separated y .untoothed portions of greater extent than the distance between the teeth of a group, and the extent of the grou s of fabric engaging teeth being reduce a acent the selvage edge of the 5. A aw tem 1e having one of its jaws rovide with fa ric engaging teeth formed y intersecting cuts, one of which extends at an inclination to the direction of cloth movement through the temple.

6. In a loom, a temple comprising a pair of'jaws, a lay, and means actln as the lay moves forward to separate sai jaws in a direction inclined to the plane of the fabric passing between the jaws and to again close said jaws prior to backward movement of the lay.

7. In a loom, a temple comprising two jaws, a lay, means including a toggle acting as the lay moves forward to separate said jaws and means to again close them prior to backward movement of the lay.

8. In a loom, a temple comprising a fixed jaw and a movable jaw, a lay, means acting as the lay moves forward to-move the movable jaw away from the fixed jaw in a direction inclined to the plane of tire fabric pass ing between the jaws, and means to return the movable jaw to initial position prior to backward movement of the lay.

9. In a loom, a temple comprising a fixed jaw and a movable jaw, a lay, means including a toggle acting as the lay moves forward tomovethe movable jaw, and means to return the movable jaw to initial position prior to backward movement of the lay.

10. In a loom, a temple comprising a pair of jaws to clamp and unclamp the fabric passing between. them, a movable temple rod carryin said jaws, a lay, and means acting as the Iay moves forward, to separate said jaws and to again cause said jaws to close prior to backward. movement of the lay.

11. In a loom, a lay, a temple holder, a temple rod movablein said holder, two jaws carried. by the temple rod, a spring for normally holding the temple. rod in operative position, and means-for separating said jaws to.- release the fabric as the lay moves fortemple rod movable in said holder, two jawscarried by the temple rod, a s )ring for normally holding the temple rod in operative position, and means, including a to gle, for separating said jaws to release the fabric as the lay moves forward and means to cause said jaws to again clamp the fabric prior to backward movement of the lay.

1-3. In a loom, a temple comprising apair of jaws, a lay, and means acting as the lay moves forward to separate said jaws and free the fabric between them and to again close said jaws in a direction inclined to the surface of the cloth prior to backward move m-ent of the lay.

14. In a loom, a temple comprising jaws between which the fabric passes, a lay, means to cause said jaws to close upon the fabric when the lay is substantially at front position, and provisions for causing any rearward pullupon the fabric to increase the clamping action of the jaws.

15. In. a loom,.a lay, a yieldingly supported temple comprising two jaws, and means for separating said jaws to release the fabric as the lay moves forward and to reclamp the fabric prior to its backward movement.

In. testimony whereof, I have signed my name to this specification, in the presence of two subscribing witnesses.

JONAS NORTHROP.

Witnesses:

WENDELL WILLIAMS, Evnnnrr L. Woon.

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