US135882A - Improvement in clamps - Google Patents

Improvement in clamps Download PDF

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Publication number
US135882A
US135882A US135882DA US135882A US 135882 A US135882 A US 135882A US 135882D A US135882D A US 135882DA US 135882 A US135882 A US 135882A
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Prior art keywords
clamps
bar
bonney
charles
standard
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B1/00Vices
    • B25B1/06Arrangements for positively actuating jaws
    • B25B1/10Arrangements for positively actuating jaws using screws
    • B25B1/12Arrangements for positively actuating jaws using screws with provision for disengagement

Description

c'. s. BoNNEY.

Ciamps.

Patented Feb. 18,1873.

PATENT OEEIoEr CHARLES S. BONNEY, OF PHILADELPHIA, PENNSYLVANIA.

IMPROVEMENT IN CLAMPS.

Specification forming part of Letters Patent No. 135,882, dated February 18, 1873.

To all whom it may concern: f

Be it known that I, CHARLES S. BoNNEY, of

the city and county of Philadelphia, in the State of Pennsylvania, have invented a new and useful Improvement in Clamps, of Which the following is a specification:

The object of my invention is to make a double or crotched prong-clamp for holding both level surfaces, miter, and other angles together, and at the same time be more quickly and be more easily adjusted than ordinary clamps.

Description of the accompanying drawing, which is a perspective View of the clamp, showing all its parts.

A is a straight notched bar, to which is attached the two prongs B B, on the ends of which are the hemispheres C C. E is a standard, which is intended to slide upon the bar A, being prevented from slipping when in use by catching in the notches in the bar A, the upper end of which is provided with a thumbscrew, E', the same as other clamps, but which may be quite short on account of the standard `bein g allowed to slide upon the bar A.

Claim.

I claim- The combination of the notchedbar A having the curved forked ends B B pointed with the Vhemispherical knobs G G 'with the sliding standard E and screw E', substantially as and for the purpose described.

CHARLES S. BONNEY.

Witnesses: f 1

DAVID BEITLER, FRANK W. HUEE.

US135882A Improvement in clamps Expired - Lifetime US135882A (en)

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US135882A true US135882A (en) 1873-02-18

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2973792A (en) * 1958-07-21 1961-03-07 William A Fonken General utility clamp means
US4781086A (en) * 1987-02-17 1988-11-01 Crawford Fitting Company Fluid fitting wrench
US4833759A (en) * 1985-11-08 1989-05-30 Walter Louis Larsen Bifurcated member hook fastening device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2973792A (en) * 1958-07-21 1961-03-07 William A Fonken General utility clamp means
US4833759A (en) * 1985-11-08 1989-05-30 Walter Louis Larsen Bifurcated member hook fastening device
US4781086A (en) * 1987-02-17 1988-11-01 Crawford Fitting Company Fluid fitting wrench

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