US397265A - George ashworth and elijah ashworth - Google Patents

Description

(No Model.)

G. & E. ASHWOR'THL DEVICE FOR $EGURING CARD CLOTHING TO THE FLATS 0E GARDING ENGINES.

No. 397,265. Patented Feb. 5, 1889.

F/G'./- F/G.2.

UNITE STATES PATENT rites.

GEORGE ASHIVORTH AND ELI-IAH ASHVVORTH, OF MANCHESTER, COUNTY OF LANCASTER, ENGLAND.

DEVICE FOR SECURING CARD-CLOTHING TO THE FLATS OF CARDING-ENGINESE SPECIFICATION forming part of Letters Patent No. 397,265, dated February 5, 1889.

Application filed February 23, 1888- To all whom it may concern:

Be'it known that we, GEORGE ASHWORTH and ELIJAH AsHwoRTH, subjects of the Queen of Great Britain and Ireland, and residing at Manchester, county of Lancaster, England, engineers, have invented a Device for Securing Card-Clothing to the Flats of carding-Engines, of which the followingis a specification.

Our invention relates to the securing of the card-clothing to the flat-bars which are used in carding-engines, and relates especially to the bars, which are linked together so as to form endless chains. In order to obtain a large number of the flats in simultaneous operation, it is important that the flat-bar shall be made as narrow as possible as compared with the width of the card-surface.

The objects of our invention are to obtain a secure fastening of the clothing, with a narrow margin on each side of the wires, and also to impart a neat finish to the edges of the bars. lVe attach the clothing to the bar by means of clamps or clips, which are made of sheet-steel or of suitable sheet-metal, and are bent into a trough shape, so that when applied and fixed by clamping or pressing one web of the clamp extends over a portion of or the whole of the margin of the card-clothing and clamps the same firmly to the bar, and a second web takes hold of the back of the bar, the intermediate portion of the clamp covering and concealing the raw edge of the foundation material, and also the edge of the flat-bar, and imparting a smooth neat finish to the bar and rendering the edge of the bar less liable to retain fluff and dust.

\Ve will further describe our invention with reference to the accompanying drawings.

Figure 1 represents a cross-section of the clamp. Fig. 2 is a perspective view of the clamp. Fig. 3 is asection of a carding-engine fiat with the clamp applied at each edge. 4 illustrates the application of the clamps to a bar which is grooved on its face. Fig. 5

illustrates the application of the clamps to a bar which is rabbeted for a short distance from each edge.

The clamp illustrated by Figs. 1 and 2 isby preference made of sheet-steel, and is as long as the fillet or strip of card-clothing, so that one clamp only is required on each edge of the Serial No. 264,973- (No model.)

bar. The clamps might, however, be made shorter, if preferred for any reason, so that two or more would be applied to each edge of thebar. The strip of metal to form the clamp is bent so that two webs project at right angles or at other suitable angles from the central or intermediate portion, 0, of the web. In Fig. 1, a is the web which is intended to clamp down the foundation material, and Z) is the web which is intended to pass below or to take hold of the back of the bar. The angle of the web I) to the part c of the clamp will vary according to the formation of the back of the bar. The edge of the web a is left with a burr 6 5 in the shearing of the strip of metal, this burr sinking into the foundation material when the clamp is fixed; or the said edge may be toothed or serrated with the same object, as shown at the right of Fig. 2, or may be left smooth or without special preparation.

Fig. 3 is a cross-sectional view of a fiat, and illustrates the manner in which the clamps are applied. In this figure, d is theordina-ry metal bar, and c is the foundation of the card- 7 5 fillet. The clamps are represented bye 0. A clamp is applied to one edge of the flat, with the central part, 0, close to the said edge and the web a projecting over the margin of the foundation. Pressure is then applied at or near the inner edges of the webs a and b by suitable means, so as to press the web a downward upon the foundation material, and also to force the web I) closely against the back of the bar, the foundation material being compressed by the web a. The margin of the foundation will then be tightly clamped down upon the metal bar and forcibly held by the elastic grip of the clamp or spring-clip. The security of the fastening may be increased by applying the pressure upon the clamp, so as to cause the edge of the web a to indent or sink into the substance of the foundation to some eX- tent. \Vhen one edge has been secured, the fillet is stretched tight, and the other margin 9 5 is clamped in the same way as the first margin.

In Figsd and 5 the metal bars are grooved or rabbeted, or both, so as to increase the hold of the clamps upon the foundation material or upon the bar, or upon both.

In Figs. to 5, the lines f indicate the wiredents of the card-fillets.-

Having fully described our inve111i0n,we with spring-clips gripping the edp'es of the slate that we claim bar and the foundation nmil'erial of the card- 1. The herein-deseriliiedelmnp for securing fillet, sl'ibstmilaizilly as set forth. strips of emrd-elolhing to carding-engine Ilatl In testimony whereof we have signed our '[5 liars, and consisting of a spring elip adapted names in This slQOCiihwLliUll in lhe n'esmiee 01' 1'0 grip the edge of l'helmrand the fo'nmlalien {we snhserihin; witnesses. nmterinl 0f the ("Md-fillet,and to cover and GEO. ASIHYORlll. eunoenl the edge of the killer and the bar, all 1 1 III-TA] I' ll WOR'III. substantially as described.

W iln esses:

10 i. Theee'mllimiliun ()l':1(21rding-engineflai- DAVID FUL'IER,

JOSHUA lfNTWISLE.

bar and enrd-eletliing to be secured thereto, 1

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