US110640A

US110640A - Improvement in looms

Info

Publication number: US110640A
Authority: US
Publication date: 1871-01-03
Anticipated expiration: 1888-01-03

Description

tout gratas gaat @tata Letters Patant-Na.11o,e4o,aatad January 3,1871.

IMPR'ovEMEN'r 1N LooMs.

The Schedule referred to in' these Letters Patent and making parl: of the same.

-To all whom 'it may concern -Be it known that I, ROBERT ELLIOTT, of Olie-ster, in the county of Delaware and State of Pennsylvania,-haveinvented certain new and useful Improvements in Looms; and I do hereby declare the following to be a full, clear, and exact description thereof, snfcient to enable others skilled in the art to which my invention appertains to make and use the same, reference being had to the accompanying drawing making part of this specification, in which- Figure l is a side ele'rjation of my loom, exposing the working parts.

Figure 2 is a front elevation of the same.

Figure 3 illustrates the manner in which the strap between the jack-bar and heddle is secured to the end of the jack-bar.

Figure 4 illustrates the wire link in two positions.v l Figure 5 illustrates the attachment of the jackstrap-'to the heddle.

Myinvention 'consists of the employment of a series of guide-rollers for the straps, by which the heda dles are suspended. v

It also consists of the employment of upright guides for the jack-bars, and of an improved mode of attaching those straps to the heddles which connect said heddles with' the jack-hars.

It further consists of an improved mode of attach-1 ing the above-mentioned straps to the jack-bars, and

of the construction of a wire link to unite the heddles and jack-bara Referring to the drawing- A is the frame of the loom, to which two uprights,

a a, are fastened for supportingrollers B B', and frames O O.

These frames support a number of parallel frictionrollers, c c o, between which the ,heddle-straps b b b pass, to the heddles D D.

The frame G is fastened to the upright post a by an arm, o1, and may have a brace kor bridge-piece, o2, extending transversely for the purpose of strengthening it.

Lhe rollers c o c may be made of wood or meta-l, or of wood incased in a metal sleeve, and between them the heddle-straps b b pass to the heddles D D, to which they are suitably fastened.

To the lower part of the heddlcs are secured T- shaped pins d, to which straps d arepattached, inthe following manner:

At each end of the strap a certain length is allowed for overlapping the cross-arn1 of the pin d. The vertical stem of the pin is passed 'through both ends ofjthe'strap where the lapping begins, and both lap ends are riveted together with'the strapsncar their ends, at d2.

In this manner the strap forms a loop, in which I inset-t the and of the jack-bar n, ng. s.

A horizontal slot, c, is cut in the jack-bar, and a pin, el, inserted in the bar at right angles to the slot. When' the strap is to be placed in this slot, the pin .is raised, as shown by dotted lines, and the strap slipped-in. 'llie pin is then dropped, and the slot thus closedorlockcd.

The step e2, `on the end of the jack-bar, checks.

the upward motion of the pin el, and prevents it pulling ont. The horizontal end of the pin 'o1 is formed by bending after the pin is inserted yinto the jack-bar.

A cheaper connection between heddle and jackbar is effected by my wire link, as seen at fig.'4. A single piece of. wire is, at its center, provided with a loop by bending. It is then doubled backward until the ends meet, which are then united by twisting.

The wire link is next passed over the end of the jack-bar, and fastened atthe notch e. By bending it as close as possible to the bar E, it prevents it rising' and slipping from the notch.

rlhe upper loop of the wire link presents a perl fectly closed eye,- with two thicknesses of wireabove, which prevents it being lifted ont of place, and guards against quick wear.

To prevent the unnecessary wear of the jack-bars and straps attached thereto, I pass the said jack-bars through the' upright slots f' f, made in the guides F F, which guides are fastened to the door by means of'v Abrackets G Gr. l

The' uprights of Athese brackets are providcdwith parallel anges g g, between which the shanks fl are s fitted.

Slots g1 are formediu these uprights,`to correspond with s'lots f2 in the shanks f1, and the two uprights and 'Shanks are secured together by means of bolts g, and a vertical 'adjustment is thus alf' lowed.

All further connections with treadles, 8m., are of usual construction, and do not necessitate present description.

The operation of my lom differs from of others of this class in its smooth and almost noise. less movement, andthe economical wear of' its im proved parts, which latter only amounts to one-third,`

or less, of the ear on unimproved looms.

A great'adva tage is gained in my looms, also, by placing the guide-rollers above, and vertical guides below, inasmuch' as all noisy and injurious contact is prevented between the bars and iiames, and the wear and tear of these narts are thus greatly dimin ished.

Having thus described my invention,-

What I claim ais new, and desire to secure by Letpin e, and link d1, substantially for the purpose Spe ters Patent, isi ied. I 1

1. The loosely-pivoted frame C, and guide-rollers The above' signed by me this 26th day of ugust, c c c, combined and connected with the heddles, 1870.

staps, and upper rollers, all substimiisiailllifv as de- Witnesses: ROBERT "ELLIOTT, scribed. 4 Y KATE B. ULRICH, 2. The jack-bar, provided with the slot e, step e", SAMUEL ULRICH.