US361492A - Mechanism for reciprocating the tumblers of carding-machines - Google Patents

Description

(No Model.)

G. DAWSON.

MECHANISM FOR REGIPROU XTING THE TUMBLERS 0F GARDING MACHINES.

N0.361-,492. Y PatentedApr. 19, 1 8817.

UNITED- STATES PATENT FFICE.

GILBRETH DAWSON, OF ROCKVILLE, CONNECTICUT.

MECHANISM FOR RECIPROCATlNG THE TUMBLERS 0F CARDlNG-MACHINES.

SPECIFICATION forming part of Letters Patent No. 361,492, dated April 19, 1887.

- Application filed November 15, 1886. Serial No. 218,970. (No model.)

To all whom it may concern.-

Be it known that I, GILBRETH DAWSON, of Rockville, in the county of Tolland and State of Connecticut, have invented an Improved Mechanism for Reciprocating the Tumblers of Carding-Machines, of which the following is a specification.

My invention consists, substantially, in the combination of the feed-roll and tumbler of a carding-machine with a driving-worm on the shaft of the feed-roll, a worm-wheel and attached eccentric, a right-angular lever one end of which engages with the eccentric and the other with a grooved collar on the shaft of the tumbler, and a standard which supports the worm-wheel and lever.

The object of this invention is to provide means for imparting a slow endwise-reciproeating movement to the tumbler,in order to prevent the wire on the tumbler from wearing in grooves and the necessity of frequent grinding to keep a uniform surface 011 the clothing of the tumbler,and thereby securing more perfect work and economy of card-clothing and labor.

All previous attempts within my knowledge to reciprocate tumblers have been without the "of the worm-wheel and eccentric attached;

Fig. 3, a front View of the perpendicular portion of the right-angular lever; Fig. 4, a plan of the parts shown in Fig. 1.

Corresponding letters refer to corresponding parts in the several views.

S indicates the standard,with flanges F F at each end projecting about two inches; B B,-

holes for inserting bolts to secure the standard on the inside of the carding-machine frame; D, a stud screwed into the upper flange, F, upon which the worm-wheel W, with eccentric E attached, revolves; P, the perpendicular portion of the right-angular lever,having lugs L L, between which eccentric E revolves; 0, an. oblong slot in lever 1, through which stud D passes, giving space for vibration of the lever P; V, a screw forming a fulcrum at the bottom of lever P; H, the horizontal portion of the right-angular lever, engaging by means of dog G with a grooved collar, C, on tumblershaft T; M, a driving-worm secured on the end of feed roll R and gearing into wormwheel W, and when the carding-machine is in operation communicatinga slow endwisereciprocating motion to the tumbler T.

I am aware that it has been proposed to impart a slow endwise-reciprocating motion to a stripper operating upon the surface of aring or other doffer by means of a worm upon the shaft of the doffer,a worm-wheel engaging said worm,and having a crank-pin which engages the slotted end of a vibrating lever, the other end of which lever is forked to engage a grooved collar on the stripper-shaft. Such construction of vibrating devices, and such combination therewith of doffer and stripper,I do not claim; but what I do desire to cover is the specific construction and combination set forth in the following claim.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

In a carding-machine,the combination of the feed-roll provided with the driving-worm M, the tumbler having the shaft provided with the grooved collar C, standard S, provided with flanges F F, stud D, and fulcrum V, the right-angular lever H P, provided with lugs L L and dog G, and worm-wheel W,with attached eccentric E, all constructed, secured, and operated in the manner and for the purposes herein specified.

Rockville, Connecticut, November 12, 1886.

GILBR'ETH DAWSON.

Witnesses:

BENEZET H. BILL, J osnrn DAWSON.

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