US568242A - Charles p - Google Patents

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US568242A
US568242A US568242DA US568242A US 568242 A US568242 A US 568242A US 568242D A US568242D A US 568242DA US 568242 A US568242 A US 568242A
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head
jaws
cutting
jaw
clamp
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B17/00Hand cutting tools, i.e. with the cutting action actuated by muscle power with two jaws which come into abutting contact
    • B26B17/02Hand cutting tools, i.e. with the cutting action actuated by muscle power with two jaws which come into abutting contact with jaws operated indirectly by the handles, e.g. through cams or toggle levers

Description

(No Model.)
0. P. PAY. CUTTING PLIERS.
No. 568,242. Patented Sept. 22, 1896.
IBM/ENTER- WITNEEEEE.
UNITED STATES PATENT FFICE.
CHARLES P. FAY, OF ATHOL, MASSACHUSETTS, ASSIGNOR TO LEROY S. STARRETT, OF SAME PLACE.
CUTTlNG-PLIERSL SPECIFICATION forming part of Letters Patent No. 568,242, dated September 22, 1896. A lication filed September 10, 1894 Serial No. 522,591. (No model.)
To all whom it may concern:
Be it known that I, CHARLEs P. FAY, of Athol, in the county of W'orcester and State of Massachusetts, have invented certain new and useful Improvements in Cutting-Pliers, of which the following, taken in connection with the accompanying drawings, is a specification.
The object of this invention is to provide cutting-pliers with jaws which can be readily removed for grinding and adjusted in position to compensate for wear or breakage of the cutting edge requiring either jaw to be set farther forward.
Another object is to furnish a spring-guard over the joint adjacent to the cutting edges to avoid breaking said edges by their wedging action, which occurs in cutting a stiff wire when its end bears against the joint.
The feature which especially characterizes my tool, however, is the removable jaws furnished with fine notches or corrugations engaging with similar surfaces on the head of the implement and clamping means to secure the parts in place when adjusted to the desired position.
In the drawings, Figure 1 is a side elevation, and Fig. 2 an edge view, of my improved implement. Fig. 3 is a sectional View taken on the line 3 3 of Fig. 1. Fig. 4 is a perspective view of the elastic guard. Fig. 5 is a like view of part of the frame or head of the tool with the jaw and its clamp detached.
A and B are the two pivoted members of the head of the implement joined to each other by the pivot O. D and E are the operating levers or handles connected to the members A B by pivots F and pivoted to each other at G. This construction gives a well-known and very powerful compound leverage. (See Fig. 1.) A coiled spring II is interposed between the levers D E, keeping them normally spread. An adjustable projecting screw-threaded bolt I is placed between the handles D E to limit their closing movement according to the position of the jaws as they may be adjusted. These parts, broadly, I do not claim; nor do I limit my invention to the precise construction of the frame or body of the tool.
The cutting-jaws J, of fine steel, are finely notched or corrugated transversely on their under surfaces to engage with like notches or corrugations Ct, formed on the upper or outer ends of the heads A B of the tool, so that said jaws or either of them may from time to time be set farther forward in case of wear or breakagerequiring regrinding and readjustment. (See Figs. 1 and 5.) Figs. 2, 3, and 5 show the best means I have devised for quickly and securely uniting the jaw to its head. A spline or clamp-piece K is dovetailed into the under side of the jaw and enters a central recess L formed for it in the end of the head A B inthe plane of movement of said parts. A transverse screw M, having a centrally-tapering body, passes through the walls of the head each side of said recess and through a tapering hole in said spline or clamp-piece, the tapering part of the screw thereby drawing the clamp downwardly and holding the jaw firmly upon the notched surface of the head. WVithdrawing said screw releases the clamp and permits it and the jaw to be removed. The clamp then slides out, and the jaw may be ground repeatedly, so long as two of its notches remain, or a new one may be substituted at any time, the old frame .being intact.
The spring-guard N, punched from thin sheet steel or brass, has a narrow neck 11, shaped to fit into the recess L in the head A or B below the spline or clamp K, and turned up slightly at the end to prevent it from slipping out. Its broad fiat head projects forward between the jaws, as in Fig. 1,
where itforms a yielding stop for the end of the rod or wire being cut off, and prevents breaking the cutting edges so liable to occur when the wire end bears solidly against rigid parts adjacent thereto.
I claim as my invention- 1. In cutting-pliers, the pivoted head or frame with actuating-handles pivoted to each other and also to said head,-so as to act as compound lovers, in combination with cuting-jaws transversely notched or corrugated on their under surfaces to engage successively in like notches or corrugations on said head, an interposed connecting-piece recessed into said head and jaws in the plane oftheir movement, and with suitable clam ping means, substantially as set forth.
ICQ
2. The pivoted and transverselycorrugated guard N having a neck n adapted to enter a members forming the head A 13, provided recess in the head and to be secured therein with central recesses L, and the jaws J, siniiby the jaw-fastenings, substantially as set I 5 larly corrugated and having a dovetail groove forth.
5 in their under surfaces, in combination with In testimony whereof I have signed my the spline or clamp K fitting said groove and name to this specification, in the presence of recess and the taper-bodied screw M serving two subscribing witnesses, on this 6th day of to secure the parts when adjusted, substan- September, A. D. 1894:.
tially as set forth. CHARLES P. FAY. 1o 3. In cutting-pliers, the pivoted head and .Vitnesses:
actuating-levers and the cutting-jaws secured JOSEPH A. TITUS,
to said head, in combination with the spring- HENRY R. VAILLE.
US568242D Charles p Expired - Lifetime US568242A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2595841A (en) * 1948-09-27 1952-05-06 Al Nu Delman Hand notching tool
US3091853A (en) * 1962-02-14 1963-06-04 Bar Plate Mfg Co Notching tool of punch-out type
US6944953B2 (en) * 1998-07-24 2005-09-20 Alpha Professional Tools Corner cutter
US7065819B1 (en) * 2004-11-12 2006-06-27 Trailsmith, Ltd. Universal horse farrier tool
US20170013806A1 (en) * 2014-03-12 2017-01-19 Pet Product Innovations, Llc Animal Claw Shearing Apparatuses and Methods of Using the Same
US10173332B1 (en) * 2017-07-10 2019-01-08 Suzhou Petmate Industry & Trade Co., Ltd. Pair of safe pet nail clippers
US10772802B2 (en) 2018-01-25 2020-09-15 Tami Radohl Pill-cutting device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2595841A (en) * 1948-09-27 1952-05-06 Al Nu Delman Hand notching tool
US3091853A (en) * 1962-02-14 1963-06-04 Bar Plate Mfg Co Notching tool of punch-out type
US6944953B2 (en) * 1998-07-24 2005-09-20 Alpha Professional Tools Corner cutter
US7065819B1 (en) * 2004-11-12 2006-06-27 Trailsmith, Ltd. Universal horse farrier tool
US20170013806A1 (en) * 2014-03-12 2017-01-19 Pet Product Innovations, Llc Animal Claw Shearing Apparatuses and Methods of Using the Same
US10173332B1 (en) * 2017-07-10 2019-01-08 Suzhou Petmate Industry & Trade Co., Ltd. Pair of safe pet nail clippers
US10772802B2 (en) 2018-01-25 2020-09-15 Tami Radohl Pill-cutting device

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