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Publication numberUS241178 A
Publication typeGrant
Publication dateMay 10, 1881
Publication numberUS 241178 A, US 241178A, US-A-241178, US241178 A, US241178A
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Cutting-disk for leather-skiving machines
US 241178 A
Abstract  available in
Images(1)
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Claims  available in
Description  (OCR text may contain errors)

(No Model.)

. G. AMAZEEN. Cutting Disk for Leather Skiving Machines.

N0. 241,178. Patented May 10,, 188i.

Fig.5-

. 4 IIIQ? mm Al]! 4 N. PETERS, Photo-Lithographer, Washington, D C.

"arts STATES CHRISTOPHER AMAZEEN, OF BOSTON, MASSACHUSETTS.

CUTTING 'DISK FOR LEATHER-SKIVING MACHINES.

SPECIFICATION forming part of Letters Patent No. 241,178, dated May 10, 1881.

Application filed August 2, 1880 To all whom it may concern Beit known thatI, CHRISTOPHER AMAZEEN, of Boston, in the county of Suffolk and Commonwealth of lliassachusetts, a citizen of the United States, have made a new and useful Improvement in Cutting-Disks, of which the following is a full, clear, and exact description, reference bei ng had to the accompanying drawings, forming a part of this specification, in explaining its nature, in which- Figure 1 is a plan of the disk; Fig. 2, a side elevation; Fig. 3, a cross-section. Fig. 4 is a View illustrating in cross-section a portion of the disk enlarged.

The cutting-disk herein described is adapted for use in skiving the edge of thin Vamps or upper-leather of a flexible nature, like French kid, and a cutting-disk for this purpose must have a very long and thin blade with a long bevel upon the upper portion, and the lower portion plane or level near the cutting-edge and concave within the planeportion. A disk having a cutting-edge formed by a short bevel on one side will not answer for this purpose.

n represents the cutting-edge of the disk.

(1 is the plane under portionot' thedisk, and a is the concave portion, which comprises the central part of the disk within the plane or level portion a.

(No model.)

a is the long bevel, which may or may not be slightly concave, and which, together with the plane portion a, forms a long thin cuttingedge.

(t represents a plane portion on the upper surface of the disk; a the pin and boltholes.

By providing the disk withthe plane or level portion a between the concave portion a and the cutting-edge, I am enabled to sharpen it easily and to obtain a true edge, as the plane portion acts to provide a uniform bearing on the grinding-wheel, whereas if the concave portion extended to the extreme edge of the disk the true edge could not be so easily obtained, and there would be great liability of grinding it untrue on account of the very narrow portion that would bear upon the grinding-whee].

Having thus fully described my invention, I claim and desire to secure by Letters Patent of the United States- A cutting-disk having the concave portion a and the plane or level portion a upon one side and the long bevel a and the plane portion a upon the other side, substantially as and for the purposes described.

UI-IRISTOPHER AMAZEEN.

Witnesses F. F. RAYMOND, 2d, A. J. OEITINGER.

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Classifications
Cooperative ClassificationB26D1/0006