US2468800A - Weaving reed - Google Patents

Description

May 3, 1949. 1. ANDREW-S 2,468,800

WEAVING REED I Fil ed March 21, 1946 1 INVENTOR [ram'flmi/ww BYGPJPW v M ATTORNEY Patented May 3, 1949 WEAVING REED Isaac Andrews, Spartanburg,-S. 0., assignor to Andrews Company, Spartanburg, S. 0., a copartnership Application March 21, 1946,.seria1No.c56,o99

1 I, This'invention relates to weaving reeds.

The object of the invention is to improve the present reeds to remove therefrom certain objectionable features. One of these is an inherent weakness in the reed when it is forced into the frame of the loom.

The inventionconsists in the provision of a heading for the reed which supports the backs or ribs, both top and bottom, and keeps the reed from collapsing at the end and bending the dents, which heading consists of overlapping members suitably joined by welding, and having their ends embracing the wooden backs and inserted therein, longitudinal reinforcing metal members in the backs enveloping the heading members.

The invention will be further described hereinafter, embodiments thereof shown in the drawings, and the invention will be finally pointed out in the claims,

In the accompanying drawings,

Fig. 1 is a fragmentary perspective end view of the improved reed;

Fig. 2 is a fragmentary front view of the same;

Fig. 3 is an end view of the top of a heading;

Fig. 4 is a plan view of the same;

Fig. 5 is a transverse vertical section taken on line 5-5 of Fig. 2.

Fig. 6 is a transverse section of the dents used in the embodiments; and

Fig. 7 is a transverse section of the dents of improved type, which may be used in place of the dents shown in Fig. 9.

Similar characters of reference indicate corresponding parts throughout the various views.

Referring to the drawings, the improved weaving reed l consists of a plurality of parallel and spaced dents H, the upper and lower ends of which are held in the top and bottom wooden backs I2 and He, which have reinforcing strips or rods I3 of metal running the full length thereof and bent over at their ends I4, as shown in Figs. 1 to 4. These backs l2 and Ma are made from two semicircular pieces spaced apart by the dents ll, these being wrapped with cotton yarn l2b around or wrapped spirally between the dents above and below the wood. This yarn is treated with pitch and is known as pitch band.

The ends of the backs l2 and 12a are provided with improved combination headings which consist of two superposed straps l of metal, fastened together as by spot welding I 6, having their free ends 11 bent to shape to surround the exterior of the backs, and enter spaces "a formed between the semicircular backs or ribs. The bent 3 Claims. (Cl. 139 92) in ends I! are covered or enclosed by the bent in ends I4 of the known reinforcing straps l3.

, This novel heading adds greatly to the strength of the reed as it supports the backs or ribs, both the top and bottom, and keeps the reed from collapsing at the end and bending the dents when the reed has to be forced into the frame of the loom or lay. The use of the bent over ends of the reinforcing straps l3 eliminates the use of nails, now used to fasten caps to the backs of reeds. Nails are not secure and if they are not driven in correctly, they cause the salvage dents to become out of line and very often bend the dents.

The dents may be like those as shown in Figures 6 or 7. In Fig. 7 the dents are thicker in front than at the back edge. In other words, the dents are generally wedge shaped. As the warp yarn passes through between the dents, knots and gouts on the yarn catch on the edges of dents as ordinarily made with parallel sides (Fig. 6), causing the yarn to break and the loom to stop. 0n the improved dent, the space 3| between the dents at the back, from which side the yarn enters, permits knots and gouts to enter and be reduced in size before passing the narrower space 32 at the front, eliminating to a large degree the breakage of yarn and the stopping of the loom. Friction on yarn is reduced since it makes contact with only pinpoints of surface between the thicker edges of the dents.

With dents having parallel sides it is customary to allow all the percentage of air space possible between the dents beyond the thickness of the yarn to permit knots and gouts to pass through. Sometimes it is necessary to roll the wire so thin that weakening of the reed results, causing a reediness in the cloth. With the new form of dent the percentage of extra space can be reduced at the front or thicker edges. Thus the face of this edge is wider than usual, and when the reed beats the filling into the cloth a better texture is obtained, due to the fact that chafing of the warp yarn will be reduced as there is a greater area between the dents for an uneven yarn.

To prevent the shuttle from becoming worn and corrugated by contact with the usual sharp edge of the first steel dent, a cushioning member [8 is provided made of a material softer than steel, as for instance, hard rubber or fiber, and this member is arranged along the inside of the heading I 5 and the first dent II. The shuttle striking this cushioning I8 is thereby protected from the wearing and corrugating to which shuttles are now subjected.

I have described several forms of my invention, but obviously various changes may be made in the details disclosed without departing from the spirit of the invention as set out in the following claims:

I claim:

1. In a Weaving reed having backs and dents, the combination of reinforcing bars, a pair for each back, and each extending beyond the back and bent towards each other, an end member for each end of the back, each end member having a pair of parallel members the ends of? have circular portions enveloping the circular ends of the backs and having-parts'parallel with each other extending between the members of the backs, and beneath the bent over ends of the reinforcing members, and means 'fasteningreach pair of parallel members together.

2. In a weaving reed, having backs and dents, the combination of reinforcing bars, a pair for each back, and each extending beyond;- the back, an end memberforeach end of the back, each end member having; a pair of members the ends of which have circular portions enveloping the circular ends of the backs and having parts parallel with each other extending between the backs, the ends of the reinforcing members engaging the outer surfaces of the and members,

and means fastening each pair of parallel members together.

3. In a weaving reed, the combination of an upper and a lower back spaced from each other, a plurality of dents having their ends engaging the upper and lower backs and having a triangular cross section to [provide an angular space between adjacent dents, an end member for each end of each back having circular portions enveloping the backs at their ends, and, having means extending-along the end" dents, and means for fastening the end members to the backs.

ISAAC ANDREWS.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number

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