US381075A - Machine for splitting scrap-leather - Google Patents

Description

(No-Model.) y J. A. .JOSSELYN Y MACHINE EOE SPLITTING SCRAP LEATHBR No. 381,075. PatentedApnlO, 18 -88 UNITED STATES PATENT. i

JOHN...,Jossnr.vn7 or BROOKFIELD, MAissAOfUsi-i'rrrs. r- ,l

` iviAoi-lme FOR SPLITTlNO SCRAP-LEATHER.

SPECIFICATION forming part of Letters Patent No. 381,675, dated April 1o,Y 188e.

Application inea octiber 11, reas.

Td aZZ whom, iv' may concern:

' Be itknown that I, JOHN A. J ossELYN, of the town of Brookfield, county of Worcester, and Commonwealth'of Massachusetts, have in-l vented certain new and useful Improvements in Scrap-Leather-Splitting Machines; and I do hereby declare thefollowing to bea full, clear, Vand exact description of the saine, reference being had to't-heaccompanying drawings' andletters of reference marked thereon, formingapart of this speeilication, and in which- Figure 1 represents so much "of a scrapleather -splitting machine with my irnp'roveh ments applied thereto as is necessary to illustrate my said invention. Fig. 2 represents a section ou line a a, Fig. 1, looking in the direction indicated by the arrow, same figure; and Fig. 3 represents a section indicated by line b, Fig. 1, the feeding-rolls not being shown. 2O v To enable those skilled in the art to which my invention `belongs to make and use the same, I will proceed to describe the invention more in detail. y Y

In the drawings, A is the bed; B, the splitting-knife; C, the edging knife; D, the leatheropener; E, theknife support; F F, the verti-A cal tiuLedfeed-TOHS; G G, burr feed-rolls; but as all of these parts are 2 fully shown and de i scribed in Letters Patent granted to Ine April 13, 1886, a further detailed description is un-v necessary in the present specification.

In a scrap leather -splitting machine'it is necessary to have a seam-guide, H, to extend at least from the edging-knife C beyond the action of the second pair, J J', of scrap-leather feed-rolls I l J J. The feed-rolls I I and J J are supported in suitable bearings, the con-k struction o'f which is well known and common in this class ofL machinery, as illustrated in the lpatents to George L. Tyler, March 5,A 1881, No. 242,079, February `7, 1882, No. 253,449, and June 2, 1885, No. 319,357. \A further description ofthe saune is therefore unnecessary in this specication, and only sectionsof the journals K K and L Lfof the feed-Wheels I I' and J Jv are shown. The journal 'K of the feed-roll I does not extend beyond the outer end of the feed-rolls, or the end of the feed-roll next to the seam-guide H.

A pieceof scrap-leather, M, is shown passing between the feed-rolls I I J J to be split edge O being cutoff. (See Fig. 1.) p

-`lt is desirable to have `the scrap vpieces pushed `both 'of `which sets areeprovided with longi- -back of this line or point.

'the arrow, Fig. 1.

' Serial No. 215.841. (No model.)

byuieknife B, its Outer edge, N, being-trimmed'. or evenedby the edging-knifeO, the uneven Y As the splitting-knife is arranged in this class of machines to leave a'narrow uncut portion to forma hinge or seam-between the split portions when they arenattened out, as yfully described in my said patent of April 13, '1886,

6o against the seam-guide and also fed forward in a very even and uniforln'rnanner, andwhich is accomplished by the feed-rollsl I. and J J',-

tudinal ilutes or grooves cand feeding ridges or surfaces d. Both the grooves c and .feedingsurfaces d of each feed-roll are formed diagonally or out of line with the axis of the roll, lso

that when the end d of any given ridge kkor feedh ing-surfaced next to the seam-guide is passing 7o,

any given point'in lineA with the axis of the feed-roll its other end, d2, will be in Arear or In Fig.'1 the diagonal grooves c and diagoi nal feeding ridges or surfaces d are shown,and

to work in harmony-with their'respec'tive up-l y per feed-rollsthatis,the ends d of the diagonal ridges or feeding-surfaces will always kbeo in advance off' theirsopposite ends, dz--and as the under-feed-rolls, 1 andJ, turn np and to the left when actingv upon the scrap ofleather, M, to be split, they have to be 'made with re-Y verse diagonal grooves or flutes c and reverse diagonal ridges or feeding-surfaces d.. to those in .the upper feedrolls, I and J, which turn down andto the left, asindicated by arrows,v Fig.2, looking in the direction indicated 'by I prefer to inake the feed-rolls inshell'i'orni and` then spline thenu to-their Vrespective j ournals,since they can be made more expeditiously inthisway.-

. y In brief, the ends d of the diagonal ridges or corne in contact with the surface of the scrapleather M; and the remainingy portions of j p the same diagonal ridges orfeeding-surfaces .1

gradually comein contact with the .piece of ,rOo- Y scrap-leather, which is thps pfed along by they combined screw action of the dia'gonalrdges Y lit will be understood that the bottonui'eed` Y rolls, I and J, are `ilu'ted or grooved diagonally or feedingsurfaces el on both the upper and lower feed-roll, the action being such as vto force the edge of the piece of leather up against the seam-guide H, while at the same time the whole piece is fed along evenly and in av uniform manner to the splitting-knife, notwithstanding the pieces may vary greatly in thickness.

If preferred in any case, the machine may be arranged so as to dispense with one set of feed-rolls, in which case the edging-knife, single set of feed-rolls, and splitting-knife would have to be relatively arranged to operate in harmony; but I prefer to use two sets, as herein shown and described.

' It will be further understood thatin operating upon pieces of scrap-leather which have one even or straightedge theedging-knife and first set of feed-rolls may be dispensed with.

Having described myimprovement in scrapleather-splitting machines,what I claim as my invention, and desire to secure by Letters Patent, is-

l l. The combination, with the seam-guide H and edging-knife C, of the feedrolls I I', provided with diagonal grooves or flutes c and diagonal ridges or feeding surfaces d, as described, whereby the ends d next to the seamgnide of the diagonal feeding ridges or surfaces dare always in advance of the opposite ends,d2, substantially as and for the purposes set forth.

2. lThe combination, with the seam-guide H and splitting-knife B,of the feed-rolls J J,pro vided with diagonal groovesor flutes c and diagonal ridges or feedi ng-surfaces d, as described, whereby the ends d next to the seamguideof the diagonal feedingridges or surfaces d are always in advance of the opposite endsz, substantially as and for the purposes set forth.

3. The combination, with the seam-guide H, edging-knife C, and splitting-knife B, ofthe two sets of feed-rolls I I and J J, provided with diagonal grooves or flutes e and diagonal ridges or feeding-surfaces d, as described, whereby the ends d next to the seam-guide of the diagonal feeding ridges or surfaces d are always in advance ofthe opposite ends, d2, substantially as and for the purposes set forth.

JOHN A. J OSSELYN Witnesses:

Trios. H. DODGE, WILLIAM C. CURTIS.

Images