Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUS1561833 A
Publication typeGrant
Publication dateNov 17, 1925
Filing dateJul 9, 1924
Priority dateJul 9, 1924
Publication numberUS 1561833 A, US 1561833A, US-A-1561833, US1561833 A, US1561833A
InventorsAlexander Cruickshank
Original AssigneeAlexander Cruickshank
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Plier wrench
US 1561833 A
Images(1)
Previous page
Next page
Description  (OCR text may contain errors)

Nov. 11, 1925. 1.561.833

Filed July 9, 1924 /9 Flexo/der klick/bnl Patented Nov. 17, 1925.

narran sra-'res ALEXANDER CRITICKSHANK, OF MATSQUI, BBITISEICOIIUMIA, CANADA.

PLIER WRENCI-I.

Application vtiled. July 9, 1924. Serial No. 724,993.

To all whom it may concern.'

Be it known that I, ALEXANDER Canton- SHANK, citizen of the lominion of Canada, residing at Matsq ui, in the Fre-vince oi British Columbia, Canada, have invented certain new and useful Improvements in Plier llfrenches, ot' which the following is a speciication.

This invention relates to a plier' nut wrench having provision for obtaining a flat bearing of one of the jaws of the plier on a plane of the nut to which it is applied and :tor securing the jaws in the desired position of opening.

The invention is fully described in the Jfollowing specification, referencevbeing made to the drawings bywhich it is accompanied, in which:

Fig. 1 is a face view of the wrench complete.

Fig. 2, an edge View of onelo the handled jaw members, being on the line 2-2 in Fig. 1.

Fig. 3 is a cross section to an enlarged scale on-the line 3-3 in Fig. 1, and

Fig. 4 is a similar view of a modiiied form of pivotal connection.

In these drawings 2, 3; 4, 5 represent the opposed plier members which are pivotally connected together by a pin 6 having a customary provision for varying the jaw opening of the plier.

To one of the jaw members 3, ajacent its vouter end, a member 7 is pivotally connected at S to its inner side to have a limited rocking movement in relation to the acting face oi: that jaw. The member`7 may, as shown in Fig. 3, have a divided bearing on the jaw member, or, as shown in Fig. 4, may have its bearing all on one side.

The pin 8 is relatively a loose lit in the member 7 and in the jaw to which it is connected to permit the outer edge of the pivotal eye of the member 7 to take its bearing at 15 direct on the jaw, whereby the pin 8 is relieved of the strain, and a fuller area is afforded to endwise wear.

Vhen this device is applied to a nut, instead of the jaw member 3 making contact with the nut at oneplace, either adjacent the point or adjacent the pivot 6, according to the amount of opening of the wrench, the

member 7 adapts itself to the plane ot the nut and takes a uniform bearing thereon whereby injury to the nut is avoided and a more effect-ive hold is attached. Y

The pivoted member 7 may have a lengthwise V-groove 9 to enablea wire or pin to be effectively held. l n

A small handled lever 12 is pivotally mounted at 10 on the inner side of one handle member 2 of the pliers adjacent the other handle member 4. The handled lever 12 has an eccentric portion 11 around the pivot 10, on which eccentric portion fits the eye of a pawl 13 which'engages any one of a series of notches 14 formed on the lever member 4 adjacent thereto.

It the eccentric 11 is turned to the position indicated by the dot and dash lines, the pawl 13 is free to turn on the eccentric 11, and may be withdrawn from its engagement with the jaw member 5, but when the eccentric is turned to the positionl shown by full lines in Fig. 1, the strap of the pawl is pressed against the handled jaw member 4,

5, the pawl is retained in the set position of retaining engagement by the Wedging action gf the eccentric against the handle memer 4.

In use, the pliers are largely adjusted on their pin 6 to the size of the nut, and the ratchet pawl 13 is released to turn freely on its pin by movement of the eccentric extension 12 to the position shown by dot and dash lines. The pliers are then gripped in the hand to tightly close the jaws 3,` 5 on the nut and by the thumb ofA the gripping hand the pawl13 is then moved into engagement with one of the notches 14 and again with the thumb the extension 12 Vis moved against the handle to tighten the eccentric and. retain the pawl in the adjusted position. The device ormsa simple and inexpensive addition to an existing form of Wrench and renders its use more satisfactory in the manner explained. j i

Having now particularly described my invention, I hereby declare that what I claim as'new and desire to be protected in by Letters Patent,`is:

1. In a plier wrench, a Hat faced member having arcuate bearing ears mounted in arcuate bearing recesses on the inner side of v 'one of the jaws to have a limited rocking movement about an axis parallel to that of the hinge pin of the plier members, means holding said flat faced member in place, and means 'for securing the jaw members in an adjusted position against movement outward therefrom, said means comprising a pawl and ratchet connection between said levers and a shii'table eccentric on which the paWl is mounted.

2. In a plier Wrench having crossed handies pivoted together7 means for holding the Wrench closed on an object, said means comprising a paWl and ratchet device which includes a lever pivoted to one handle member and having an eccentric bearing portion and a paWl having an eye mo-unted on said eccentric bearing por-tion, said lever being mounted adjacent to the handle of the opposing plier member whereby when said lever is moved on its pivol to bring said pavvl into engagement with the ratchet, the eccentric will be moved toward the plier' handle into holding engagement therewith, substantially as shown and described,

3. A plier Wrench comprising crossed levers pivoted together, a small lever pivotally mounted on one of the crossed levers and having an eccentric around the pivot, and a paWl mounted on the eccentric of the small lever and adapted to engage notches on the other crossed lever, substantially as specified.

ln testimony whereof l aliix my signature.

ALEXANDER CRUCKSHANK.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2478696 *Aug 23, 1944Aug 9, 1949Seymour Smith & SonToggle lever operated pliers with pivoted jaw piece
US2604803 *Sep 17, 1945Jul 29, 1952Glenn Mccann ForestPlier type, toggle actuated wrench
US3890858 *May 20, 1974Jun 24, 1975Amp IncWire stripper
US4238862 *Jul 13, 1978Dec 16, 1980Leatherman Timothy SPocket multiple tool
US5022291 *Aug 6, 1990Jun 11, 1991Mcbain Corey LPliers having a pivotal jaw
US5697114 *Feb 29, 1996Dec 16, 1997Bear Mgc Cutlery Co., Inc.Folding multi-tool
US5788809 *Feb 5, 1997Aug 4, 1998Brennan; David G.Self aligning clamping device
US5964131 *Jan 26, 1998Oct 12, 1999Valle De Oro Bank, N.A.Hand tool with sculpted handles and integral key ring
US5996451 *Jan 17, 1997Dec 7, 1999Valley De Oro Bank, N.A.Hand tool with sculpted handles and integral key ring
US6006385 *Jan 24, 1997Dec 28, 1999Kai U.S.A. Ltd.Multi-tool
US6047426 *Jan 16, 1997Apr 11, 2000Bear Mgc Cutlery Co., Inc.Folding multi-tool with adjustable pliers
US6170104Apr 14, 1998Jan 9, 2001Buck Knives, Inc.Hand tool with multiple locking blades controlled by a single locking mechanism and release
US6233769Sep 12, 2000May 22, 2001Buck Knives, Inc.Hand tool with multiple locking blades controlled by a single locking mechanism and release
US6347565 *Jan 10, 2000Feb 19, 2002Hand Held Design CorporationMulti-drive specialty tool
US6357068Jan 11, 1996Mar 19, 2002Buck Knives, Inc.Combination tool with oppositely deploying handles
US6412130Mar 16, 1999Jul 2, 2002Kai U.S.A. Ltd.Multi-tool
US6430768May 16, 2001Aug 13, 2002Leatherman Tool Group, Inc.Folding multi-tool with adjustable pliers
US6487740May 1, 2001Dec 3, 2002Buck Knives, Inc.Hand tool with multiple locking blades controlled by a single locking mechanism and release
US6487941Oct 1, 2001Dec 3, 2002Great Neck Saw Manufacturers, Inc.Hand tool
US6578221Mar 28, 2001Jun 17, 2003Great Neck Saw Manufacturers, Inc.Foldable multi-tool
US6694558Feb 5, 2003Feb 24, 2004Great Neck Saw Manufacturers, Inc.Foldable hand tool
US6711789 *Aug 14, 2002Mar 30, 2004Great Neck Saw Manufacturers, Inc.Clamp
US6718585Aug 13, 2002Apr 13, 2004Leatherman Tool Group, Inc.Folding multi-tool with adjustable pliers
US6802094Dec 3, 2002Oct 12, 2004Leatherman Tool Group, Inc.Hand tool with multiple locking blades controlled by a single locking mechanism and release
US6983505Mar 26, 2004Jan 10, 2006Leatherman Tool Group, Inc.Folding multi-tool with adjustable pliers
US7080423Jul 16, 2004Jul 25, 2006Leatherman Tool Group, Inc.Hand tool with multiple locking blades controlled by a single locking mechanism and release
US7204173Aug 6, 2004Apr 17, 2007Buck David ARotatable die tong jaw
Classifications
U.S. Classification81/337, 81/415, 81/424
International ClassificationB25B7/02, B25B7/16, B25B7/18, B25B7/00
Cooperative ClassificationB25B7/16, B25B7/18, B25B7/02
European ClassificationB25B7/18, B25B7/02, B25B7/16