US854603A - Leather-clamp. - Google Patents

Leather-clamp. Download PDF

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Publication number
US854603A
US854603A US34473506A US1906344735A US854603A US 854603 A US854603 A US 854603A US 34473506 A US34473506 A US 34473506A US 1906344735 A US1906344735 A US 1906344735A US 854603 A US854603 A US 854603A
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United States
Prior art keywords
clamp
hook
leather
cord
throat
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Expired - Lifetime
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US34473506A
Inventor
Charles B Rathbun
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Individual
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Individual
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Priority to US34473506A priority Critical patent/US854603A/en
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Publication of US854603A publication Critical patent/US854603A/en
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Expired - Lifetime legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B1/00—Manufacture of leather; Machines or devices therefor
    • C14B1/26—Leather tensioning or stretching frames; Stretching-machines; Setting-out boards; Pasting boards
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/44—Clasp, clip, support-clamp, or required component thereof
    • Y10T24/44291—Clasp, clip, support-clamp, or required component thereof including pivoted gripping member
    • Y10T24/44496—Clasp, clip, support-clamp, or required component thereof including pivoted gripping member with operator means for moving pivoted member

Definitions

  • the object of this invention is to provide a simple and easily made clamp of that well known type employed for stretching leather in frames, and the special object is to so construct the device that the stretching cord, 1'. 6., the cord connecting the clamp to the frame, may be readily attached to and de tached from the clamp and that the tighter the cord is pulled the tighter will be the grip action 011 the after set forth.
  • a designates the lower plate of the clamp which has its forward end a shaped so as to serve as the lower jaw and which has formed at its side edges the upstanding ears I) in which are j ournaled the oppositely projecting pivots c of the upper plate (1.
  • the forward end of the upper plate is curved downwardly to form the upper jaw which cooperates with jaw a.
  • the two plates, back of the pivots, are narrowed and bent or curved respectively upwardly and downwardly, so that they cross each other at a point back of the pivotal point.
  • the lower plate is narrowed by cutting it away along one edge, so that the two plates are enabled to cross each other without being twisted and without increasing the width of the clamp while at the same time a broad pivotal bearing for the plates is obtained.
  • the throat or mouth 0 leading into hook 0 opens toward the side opposite that toward which throat e of the lower hook opens, so that each hook guards the mouth or opening of the other hook while permitting the knotted end of the stretching cord to be readiy engaged and disengaged.
  • the cord to the clamp the cord near the knot is first passed through throat c, with the knot underneath hook c, and then swung into 00k 0 through throat 0, into which it is guided by the curved inner edge 0 of the lower tail-piece.
  • a pair of jaw plates pivoted together one over the other and having rearwardly extending elastic tail-pieces, the under one bending upward and the upper one bending downward, the two tail-pieces crossing each other at a point back of the pivots and the extreme end of each tail-piece being formed into a cord-engaging device, the upper cordengaging device consisting of a hook having a throat-like entrance opening toward the forward end of the clasp.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Description

PATENTED MAY 21,' 1907.
' 0. B. RATHBUN. LEATHER, GLAMP.
APPLICATION FILED NOV. 23,1906.
mil MIMI vwentoz Wi ma/mm r a J J.
Quezon 1f) CHARLES B. RATHBUN, or CANTON,
MASSACHUSETTS.
LEATHER-CLAMP.
To all whom it may concern.-
Be it known that I, CHARLES B. RATHBUN, a citizen of the United States, and a resident of Carlton, county of Norfolk, State of Massachusetts, have invented certain new and useful Improvements in Leather-Clamps, of which the following is a full and clear specification, reference being had to the accompanying drawing, in which Figure 1 is a plan view; Fig. 2 a side elevation; Fig. 3 a plan view of the lower plate and Fig. 4 a plan view of the upper plate.
The object of this invention is to provide a simple and easily made clamp of that well known type employed for stretching leather in frames, and the special object is to so construct the device that the stretching cord, 1'. 6., the cord connecting the clamp to the frame, may be readily attached to and de tached from the clamp and that the tighter the cord is pulled the tighter will be the grip action 011 the after set forth.
Referring to the drawing byreference characters, a designates the lower plate of the clamp which has its forward end a shaped so as to serve as the lower jaw and which has formed at its side edges the upstanding ears I) in which are j ournaled the oppositely projecting pivots c of the upper plate (1. The forward end of the upper plate is curved downwardly to form the upper jaw which cooperates with jaw a. The two plates, back of the pivots, are narrowed and bent or curved respectively upwardly and downwardly, so that they cross each other at a point back of the pivotal point. The lower plate is narrowed by cutting it away along one edge, so that the two plates are enabled to cross each other without being twisted and without increasing the width of the clamp while at the same time a broad pivotal bearing for the plates is obtained.
The extreme rear ends of the plates are each formed into a hook, the hook e of the upper plate extending in the opposite direction from the hook c of the lower plate, so that the hook of the lower plate shall lie Specification of Letters Patent. Application filed November 23, 1906. Serial I I I latter, as more fully herein- I I I directly over the hook of Patented May 21, 1907. No. 344,785.
the upper plate. The throat or mouth 0 leading into hook 0 opens toward the side opposite that toward which throat e of the lower hook opens, so that each hook guards the mouth or opening of the other hook while permitting the knotted end of the stretching cord to be readiy engaged and disengaged. the cord to the clamp, the cord near the knot is first passed through throat c, with the knot underneath hook c, and then swung into 00k 0 through throat 0, into which it is guided by the curved inner edge 0 of the lower tail-piece. When the hooks are drawn toward each other by strain on the cord the jaws are brought together on the leather, the clamping action being resilient by reason of the resiliency of the crossed tailpieces.
Having thus fully described my invention, what I claim and desire to secure by Letters Patent is 1. In a clasp of the type set forth, a pair of jaw plates pivoted together one over the other and having rearwardly extending narrowed tail-pieces crossing each other at a of the pivots and each being formed into an open hook, the hooks being one above the other and having their throats opening toward opposite sides.
2. In a clasp or clamp of the type set forth, a pair of jaw plates pivoted together one over the other and having rearwardly extending elastic tail-pieces, the under one bending upward and the upper one bending downward, the two tail-pieces crossing each other at a point back of the pivots and the extreme end of each tail-piece being formed into a cord-engaging device, the upper cordengaging device consisting of a hook having a throat-like entrance opening toward the forward end of the clasp.
In testimony whereof I hereunto affix my signature in the presence of two witnesses this 15th day of November 1906.
CHARLES B. RATHBUN.
I/Vitnesses L. GUTHRIE, FRANK O. PERKINS.
In engaging
US34473506A 1906-11-23 1906-11-23 Leather-clamp. Expired - Lifetime US854603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US34473506A US854603A (en) 1906-11-23 1906-11-23 Leather-clamp.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34473506A US854603A (en) 1906-11-23 1906-11-23 Leather-clamp.

Publications (1)

Publication Number Publication Date
US854603A true US854603A (en) 1907-05-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
US34473506A Expired - Lifetime US854603A (en) 1906-11-23 1906-11-23 Leather-clamp.

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