US1542609A

US1542609A - Reed for weavers' looms

Info

Publication number: US1542609A
Application number: US685937A
Authority: US
Inventors: Buschmann Ernst
Original assignee: Individual
Current assignee: Individual
Priority date: 1924-01-12
Filing date: 1924-01-12
Publication date: 1925-06-16
Anticipated expiration: 1942-06-16

Description

June 16, 1925 M E. BuscH MANN REED FOR WEAVERS LOOMS Filed in. 12 1924 Fig. 1

(2 Fly. 3

Inventor: Erna] Bnscbmann 5 M h'wwe;

Jflarney.

1 4 a a 1 d b 0 v J f. 1 r/ .//l v F i M d F H d m W m Patented June 16, 1925.

UNITED- ums ERNST BUSCHMANN, OF RONSDORF, GERMANY.

* REED FOR WEAVERS LOOMS- Application filed January 12, 1924. Serial m5. 685,937.

To all whom it may concern:- I Be it known that I, ERNST BUSGHMANN, reed cutter, a citizen of the German Repub lie, and residing at Ronsdorf, Ithenish Prussia, Germany, have invented certain new and useful Improvements in Reeds for VVe-ayers Looms, for which I have filed applications for Letters Patent in Germany on August 23, 19). and September 12, 1923, and of which the following is a specification. ,Thesubject matter of mypresent invention is a reedfor weavers looms by the aid of which woven fabrics having a very fine and close texture may be produced even from artificial silk and other threads which are difficult to work by the ordinary reeds. The essential feature of my inventions consists, of the fact thata part of the blades of the reed which are, as usual, arranged in one and the same plane is fixed to' the frame of the reed at one end of the bladesonly.

My new reed is illustrated, by way of ex ample, in the accompanying drawing which shows two constructional forms of said reed, each in a front view and a sectional side elevation, in Figs. 1 and 3, and Figs. 2 and a, respectively.

Referring first to Figs. land 2, a and c are the rigid transverse bars of the frame of the reed, and b, b the blades of the latter. In the example shown in these figures, every alternate blade I) is imbedded in both bars a and c and secured therein by soldering. The interjacent blades b however, are, according to my invention, fixed to the frame at one end only, while they at the other end, and, as shown, preferably at the upper end, do not reach as far as the point of imbedding. By this arrangement, the resilient blades b are so connected to the, lower bar 0 of the frame that they can oscillate within the plane of the reed to the right and to the left. Consequently, the said blades 19 are capable of yielding laterally to give the warp threads the necessary play, especially when the shed is open, while they automatically return to their normal position 4 when the weft is beaten.

In immediate vicinity of the free ends of the blades 12 a fillet or bridge cl fixed to the vertical bars of the frame is arranged on either side of the reed. The purpose of these fillets is, on the one hand, to prevent the warp threads from passing round the free end of a blade from one split of the reed into another. On the other hand, the fillets the'necessary play. In Figs. 3 and particularly fitted for d serve to support the blades b in the beat ing direction, whereby the soldered seats v ofthese blades are relieved from stress.

It is evident,'that owing to the lateral play of 'thebladesnow possible, the friction of the warp threads and therefore the strain on said threads is materially diminished. Consequently, I am enabled, in spite of the, fine pitch ofjthe reed, to considerably increase the closeness of the warp threads as well as of the weft threads without augmenting the danger of breakage of the threads or other trouble In the'example shown in Figs. 3 and 4:, the free endsof those blades which are fixed to the frame of the reed atone end i only are partly at the top and partly atthe bottom of the reed. By this arrangement the result is obtained'that both groups of warp threads which form the shed can find I 4, a and care agalnv the rigid transverse bars of the frame of the reed, to which the blades 5 b and?) are fixed. One part of the blades, VlZ- theblades b, are in the usual manner imbedded and soldered atboth ends, that is to say, are connected to the upper bare and the lower bar 0 of the frame,while another part, viz the blades b are fixed to the frame at their lower ends only. Finally, a third part of the blades, the blades W, are imbedded and soldered at their upper ends only. Preferably, the blades 5, b and b are so distributed that'between each two double" imbedded blades 5 a single imbedded blade I) or b is arranged, and what is more, alternately a blade fixed to the lower transverse bar 0 and a blade 6 fixed to the upper bar a. This special arrangement has proved the production of superior fabrics of uniform density. Of course, the distribution of the blades 12, b and b may be altered according to the thread material to be worked.

The free ends of the-blades b 22 are bent or curved laterally, first to the right and then to the left, or vice versa, the bent end portions f resting against both adjacent blades 6 which are fixed to the frame above and below. Thus all blades of the reed are of the reed when the loom is to be prepared for weaving. The supporting of the free ends of the blades does not at all impede the vertical movement of said free ends which is combined with the lateral yielding of the blades, while the yieldingness of the latter is merely immaterially diminished, because the bent ends f form a resilient support.

In the vicinity of the free ends of the blades 6 b fillets or bridges d are provided on both sides of the reed at the top as well as at the bottom of the latter, the purpose of these fillets being the same as in the example shown in Figs. 1 and 2.

Claims:

1. In a, reed structure of the type set forth, a frame including transverse top and bottom bars, and a reed supported therein comprising a plurality of reed blades all extending and operable in thesame plane, certain of theseblades being rigidly supported at both ends in said top and bottom bars respectively, certain other blades being fixed only at the upper ends in said top bar, and still others fixed only at their lower ends in said bottom frame bar.

2. In a reed structure of the type set forth, a frame including a top and a bottom bar, and a reed supported in said frame, comprising a plurality of reed blades all extending and operable in the same plane, certain of these blades being fixed at both ends in said top and bottom bars respectively, certain other blades being fixed only to the top bar, and still others being fixed only to the bottom bar, in such manner that each both-endedly fixed blade is respectively flanked by a top-endedly fixed blade and by a bottom-endedly fixed blade.

3. In a, reed structure according to claim 1, the feature that the free ends of the oneendedly fixed blades are designed for lateral contact with the respectively adjacent bothendedly fixed blades.

4. In a reed structure of the type set forth, a frame, a reed supported in said frame, presenting a plurality of blades all extending in the same plane, certain blades being fixed in said frame at both ends, the other blades respectively flanking each bothendedly fixed blade being fixed to said frame at one end only and their free ends being of sinuous conformation for simultaneous contact with the two respectively adjacent blades.

5. A reed for weavers looms, comprising: a frame, a series of blades arranged in one plane, said blades being fixed to said frame partly at both ends and partly at one end only, and transverse fillets arranged on both sides of the reed in the vicinity of the free ends of those blades which are fixed at one end only.

In testimony whereof I aifix my signature.

ERNST BUSCHMAN N