US267152A - Assig-noe of one-half to - Google Patents

Assig-noe of one-half to Download PDF

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Publication number
US267152A
US267152A US267152DA US267152A US 267152 A US267152 A US 267152A US 267152D A US267152D A US 267152DA US 267152 A US267152 A US 267152A
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Prior art keywords
jaw
bearing
ratchet
clamp
plate
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Expired - Lifetime
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B1/00—Vices
    • B25B1/06—Arrangements for positively actuating jaws
    • B25B1/10—Arrangements for positively actuating jaws using screws
    • B25B1/12—Arrangements for positively actuating jaws using screws with provision for disengagement

Definitions

  • WITNESSES Afforney PETERS. PhntoJ-flhugrzpher. Wnhin tm, n. c.
  • My invention consists in the combinations of devices and appliances hereinafter specified, and more particularly pointed out in the claims.
  • Figure 1 is a side elevation of a hand-clamp embodying my invention.
  • Fig. 2 is a cross-section bya horizontal plane passed through the stationary jaw;
  • Fig. 3 a cross-section by a vertical plane passed through just back of the loose bearing-plate.
  • B is a guide-bar projecting out at right an gles to the stationary jaw. It may be made of metal, solid with the stationary jaw A, or may be secured to the said jaw, and be formed of wood with metallic facings and a metallic ratchet-bar upon its upper edge.
  • C is a sliding jaw embracing the right-angular arm B, as shown, and provided with a stationary pawl, C, which engages the ratchet B.
  • D is a clamp-screw tapped through the movable jaw, and at its extremity swi'veled, as shown, into a loose bearing-plate, E.
  • the bearing-plate E is forked at its lower end, as shown in Fig. 3, so as to straddle loosely the rightangular guide-bar B. This prevents it from rotating with the screw, while it is free to oscillate vertically and laterally to conform to any peculiar configuration of the article clamped.
  • the pawl C may or may not be formed rigid with the md'vable jaw C; but if formed rigid therewith, which is the preferablemethod, as shown, the orifice through the jaw should be sufficiently large to permit of a disengagement of the pawl from the ratchet by tilting thejaw forward.
  • the operation of the device is apparent from the drawings, and is as follows:
  • the device to be clamped is placed between the stationary jaw and the loose bearing-plate E.
  • the movable jaw is then slid forward over the ratchets until the bearing-plate presses against the interposed article.
  • the clamp-screw is then run in, which forces the bearing-plate against the article, and the bearing-plate yields to conform to the article.
  • a hand-clamp consisting of a stationary jaw with a ratcheted guide-arm extending at right angles therefrom, a sliding jaw embracing said ratchet-arm and provided with a pawl adapted to engage the ratchet, and a clampscrew tapped through the sliding jaw and provided at its end with a loose bearing-plate swiveled therewith, substantially as described.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Description

(No Model.)
W. H. CLOUD.
CLAMP.
Patented Nov. '7, 1882.
WITNESSES Afforney PETERS. PhntoJ-flhugrzpher. Wnhin tm, n. c.
UNITED STATES PATENT OFFICE.
WILLIAM H. CLOUD, 0E DETROIT, MICHIGAN, ASSIGNOR OF ONE-HALF TO JAMES v. CAMPBELL, JR, OF s ME PLACE.
C LAM P.
SPECIFICATION forming part of Letters Patent No. 267,152, dated November 7, 1882,
' Application filed July 20, 1882. (No model.)
To all whom it may concern:
Be it known that I, WILLIAM H. CLOUD, 0 Detroit, county of Wayne, State of Michigan. have invented a new and useful Improvement in Hand-Clamps; and I declare the following to be a full, clear, and exact description thereof, such as will enable others skilled in the art to which my invention pertains to make and use the same, reference being had to the accompanying drawings, which form a part of this specification.
My invention consists in the combinations of devices and appliances hereinafter specified, and more particularly pointed out in the claims.
In the drawings, Figure 1 is a side elevation of a hand-clamp embodying my invention. Fig. 2 is a cross-section bya horizontal plane passed through the stationary jaw; Fig. 3, a cross-section by a vertical plane passed through just back of the loose bearing-plate.
It is the object of my invention to produce a hand-clamp of simple construction which can be brought quickly against the object to be clamped and adapted to engage the said obz 5 ject, although it may present an inclined face 3o jaw.
B is a guide-bar projecting out at right an gles to the stationary jaw. It may be made of metal, solid with the stationary jaw A, or may be secured to the said jaw, and be formed of wood with metallic facings and a metallic ratchet-bar upon its upper edge.
- B is the ratchet-edge.
C is a sliding jaw embracing the right-angular arm B, as shown, and provided with a stationary pawl, C, which engages the ratchet B.
D is a clamp-screw tapped through the movable jaw, and at its extremity swi'veled, as shown, into a loose bearing-plate, E. The bearing-plate E is forked at its lower end, as shown in Fig. 3, so as to straddle loosely the rightangular guide-bar B. This prevents it from rotating with the screw, while it is free to oscillate vertically and laterally to conform to any peculiar configuration of the article clamped. The pawl C may or may not be formed rigid with the md'vable jaw C; but if formed rigid therewith, which is the preferablemethod, as shown, the orifice through the jaw should be sufficiently large to permit of a disengagement of the pawl from the ratchet by tilting thejaw forward.
The operation of the device is apparent from the drawings, and is as follows: The device to be clamped is placed between the stationary jaw and the loose bearing-plate E. The movable jaw is then slid forward over the ratchets until the bearing-plate presses against the interposed article. The clamp-screw is then run in, which forces the bearing-plate against the article, and the bearing-plate yields to conform to the article.
I am aware that hand-clamps have been made with two stationaryjaws, with a clampscrew tapped through one of the jaws and provided with a swiveled bearing at its end; but that bearing has not been made of large dimensions, as shown in my drawings, and with means for preventing its rotation with the screw, and consequent marring of the surface of the article clamped.
I am also aware that it is not new to cause one clamp to move forward over a ratchet until it comes in Contact with the article clamped. I do not therefore claim broadly either of these constructions; but
What [do claim is- 1. A hand-clamp consisting of a stationary jaw with a ratcheted guide-arm extending at right angles therefrom, a sliding jaw embracing said ratchet-arm and provided with a pawl adapted to engage the ratchet, and a clampscrew tapped through the sliding jaw and provided at its end with a loose bearing-plate swiveled therewith, substantially as described.
2. The combination, with the stationaryjaw and right-angular ratchet guide-arm, the sliding jaw, and clamp-screw, of a loose bearingplate swiveled at the end of the screw and loosely engaged at its lower end over the guide-bar, whereby rotary motion is prevented, substantially as described.
WILLIAM H. CLOUD. Witnesses:
CHARLES F. BURTON,
CHAELEs H. CAMPBELL.
US267152D Assig-noe of one-half to Expired - Lifetime US267152A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436003A (en) * 1944-11-09 1948-02-17 Anthony J Gosselin Axially operating-type tire and rim separating machine
US3315954A (en) * 1963-08-05 1967-04-25 Mayer Eugen Clamp
US5692734A (en) * 1993-07-15 1997-12-02 American Tool Companies, Inc. Clamp structure
US6367787B1 (en) 1999-03-01 2002-04-09 American Tool Companies, Inc. Hand clamp
US6412767B1 (en) 1998-03-06 2002-07-02 American Tool Companies, Inc. Clamping jaw
US20050082728A1 (en) * 2001-08-10 2005-04-21 Cicenas Chris W. Increased and variable force and multi-speed clamps
US20050156368A1 (en) * 2003-10-03 2005-07-21 Fuller Anthony B. Pipe clamp with releasable clamp body
US20100084798A1 (en) * 2003-12-12 2010-04-08 Irwin Industrial Tool Company Clamping and or spreading tool

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436003A (en) * 1944-11-09 1948-02-17 Anthony J Gosselin Axially operating-type tire and rim separating machine
US3315954A (en) * 1963-08-05 1967-04-25 Mayer Eugen Clamp
US5692734A (en) * 1993-07-15 1997-12-02 American Tool Companies, Inc. Clamp structure
US6412767B1 (en) 1998-03-06 2002-07-02 American Tool Companies, Inc. Clamping jaw
US6367787B1 (en) 1999-03-01 2002-04-09 American Tool Companies, Inc. Hand clamp
US20080106016A1 (en) * 2001-08-10 2008-05-08 Cicenas Chris W Increased and Variable Force and Multi-Speed Clamps
US8702076B2 (en) 2001-08-10 2014-04-22 Irwin Industrial Tool Company, Inc. Increased and variable force and multi-speed clamps
US20050082728A1 (en) * 2001-08-10 2005-04-21 Cicenas Chris W. Increased and variable force and multi-speed clamps
US7699297B2 (en) 2001-08-10 2010-04-20 Irwin Industrial Tool Company Increased and variable force and multi-speed clamps
US9522456B2 (en) 2001-08-10 2016-12-20 Irwin Industrial Tool Company Increased and variable force and multi-speed clamps
US20100156013A1 (en) * 2001-08-10 2010-06-24 Irwin Industrial Tool Company, Inc. Increased and variable force and multi-speed clamps
US7815175B2 (en) 2001-08-10 2010-10-19 Irwin Industrial Tool Company Increased and variable force and multi-speed clamps
US8074340B2 (en) 2001-08-10 2011-12-13 Irwin Industrial Tool Company Increased and variable force and multi-speed clamps
US7159859B2 (en) 2003-10-03 2007-01-09 Irwin Industrial Tool Company Pipe clamp with releasable clamp body
US20050156368A1 (en) * 2003-10-03 2005-07-21 Fuller Anthony B. Pipe clamp with releasable clamp body
US20100084798A1 (en) * 2003-12-12 2010-04-08 Irwin Industrial Tool Company Clamping and or spreading tool
US8590871B2 (en) 2003-12-12 2013-11-26 Irwin Industrial Tool Company Clamping and or spreading tool
US8240647B2 (en) 2003-12-12 2012-08-14 Irwin Industrial Tools Gmbh Clamping or spreading tool
US7735813B2 (en) 2003-12-12 2010-06-15 Irwin Industrial Tools Gmbh Clamping or spreading tool

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