EP1707317A3 - Bar clamp - Google Patents

Bar clamp Download PDF

Info

Publication number
EP1707317A3
EP1707317A3 EP06111449A EP06111449A EP1707317A3 EP 1707317 A3 EP1707317 A3 EP 1707317A3 EP 06111449 A EP06111449 A EP 06111449A EP 06111449 A EP06111449 A EP 06111449A EP 1707317 A3 EP1707317 A3 EP 1707317A3
Authority
EP
European Patent Office
Prior art keywords
pull
housing
push rod
handle
circular arc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06111449A
Other languages
German (de)
French (fr)
Other versions
EP1707317A2 (en
EP1707317B1 (en
Inventor
Zbiegniew Noniewicz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wolfcraft GmbH
Original Assignee
Wolfcraft GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wolfcraft GmbH filed Critical Wolfcraft GmbH
Publication of EP1707317A2 publication Critical patent/EP1707317A2/en
Publication of EP1707317A3 publication Critical patent/EP1707317A3/en
Application granted granted Critical
Publication of EP1707317B1 publication Critical patent/EP1707317B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/10—Handle constructions characterised by material or shape
    • B25G1/102—Handle constructions characterised by material or shape the shape being specially adapted to facilitate handling or improve grip
    • 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
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/068—Arrangements for positively actuating jaws with at least one jaw sliding along a bar

Abstract

Die Erfindung betrifft eine Spannzwinge mit einem Gehäuse (1), durch welches eine Zug- / Schub-stange (2) greift, mit einer auf der einen Seite der Zug- /Schubstange (2) am Gehäuse (1) fest angeordneten festen Spannbacke (3) und einer an der Zug- / Schubstange (2) sitzenden beweglichen Spannbacke (4), welche von einem im Gehäuse (1) angeordneten Antriebsgetriebe durch Schwenken eines Antriebshebels (8), der zusammen mit einer gehäusefesten Griffhandhabe (7) auf der anderen Seite der Zug- / Schubstange (2) am Gehäuse angeordnet ist, gegenüber der festen Spannbacke verlagerbar ist, wobei die Abstände (A) der freien Enden (7"', 8'") von Griffhandhabe (7) und Antriebshebel (8) von der Zug- / Schubstange (1) etwa gleich groß sind und die Konturlinien der voneinander wegweisenden Rücken (7', 8') von Griffhandhabe (7) und Antriebshebel (8) entlang ihrer Erstreckungsrichtung konvex gerundet sind und jeweils auf einer gedachten Kreisbogenlinie (24, 25) verlaufen. Wesentlich ist, dass die Konturlinien über die gesamte Griffzone bis zu den freien Enden (7"', 8"') von den Kreisbogenlinien (24, 25) nach radial außen hin begrenzt sind und im Bereich der freien Enden (7"', 8"') die gedachte Kreisbogenlinie (24, 25) hin zu ihren Mittelpunkten (24', 25') verlassen, wobei die Länge der Radien der Kreisbogenlinien (24', 25') mindestens 70 % des Abstandes (A) und maximal 200% des Abstandes (A) betragen.

Figure imgaf001
The invention relates to a clamp with a housing (1) through which a pull / push rod (2) engages, with one on one side of the pull / push rod (2) on the housing (1) fixed fixed jaw (2). 3) and one on the pull / push rod (2) seated movable jaw (4) of a in the housing (1) arranged drive gear by pivoting a drive lever (8), which together with a housing-mounted handle handle (7) on the other Side of the pull / push rod (2) is arranged on the housing, relative to the fixed jaw is displaceable, wherein the distances (A) of the free ends (7 "', 8'") of handle handle (7) and drive lever (8) the pull / push rod (1) are approximately the same size and the contour lines of the mutually grounding back (7 ', 8') of handle handle (7) and drive lever (8) along its direction of extension are convex rounded and each on an imaginary circular arc line (24 , 25). It is essential that the contour lines over the entire grip zone to the free ends (7 "', 8"') of the circular arc lines (24, 25) are limited radially outward and in the region of the free ends (7 "', 8 '') leaving the imaginary circular arc line (24, 25) towards their midpoints (24 ', 25'), wherein the length of the radii of the circular arc lines (24 ', 25') at least 70% of the distance (A) and a maximum of 200% of the distance (A) amount.
Figure imgaf001
EP06111449A 2005-04-01 2006-03-21 Bar clamp Active EP1707317B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005015336 2005-04-01
DE102006010383A DE102006010383A1 (en) 2005-04-01 2006-03-03 clamp

Publications (3)

Publication Number Publication Date
EP1707317A2 EP1707317A2 (en) 2006-10-04
EP1707317A3 true EP1707317A3 (en) 2008-04-30
EP1707317B1 EP1707317B1 (en) 2011-05-25

Family

ID=36602462

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06111449A Active EP1707317B1 (en) 2005-04-01 2006-03-21 Bar clamp

Country Status (4)

Country Link
US (1) US20060255519A1 (en)
EP (1) EP1707317B1 (en)
CA (1) CA2541252C (en)
DE (1) DE102006010383A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090206534A1 (en) * 2008-02-14 2009-08-20 Mccracken Robert E CamLock Clamp
DE102012201921A1 (en) * 2012-02-09 2013-08-14 Andreas Maier Gmbh & Co. Kg Clamp for a clamping device
CN104070480B (en) 2013-03-15 2018-06-22 创科电动工具科技有限公司 clamping and expansion tool

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4836596A (en) * 1987-04-15 1989-06-06 Owen Ronald C Tweezers and magnifier
US4893801A (en) * 1988-12-16 1990-01-16 Flinn Robert W Clamp
US5248068A (en) * 1991-10-21 1993-09-28 Snap-On Tools Corporation Caulk gun with ergonomic handles
DE9320922U1 (en) * 1992-11-12 1995-05-04 Triangle Tool Group Inc Ergonomic handle construction for hand tools
DE10005634A1 (en) * 1999-05-27 2000-11-30 Wolfcraft Gmbh Eccentric clamp
WO2002022312A1 (en) * 2000-09-12 2002-03-21 Wolfcraft Gmbh Clamping tool comprising a displaceable and repositionable fixed clamping jaw
GB2375984A (en) * 2001-05-30 2002-12-04 Peter Devitt Cramp attachment kit
WO2003013793A1 (en) * 2001-08-10 2003-02-20 American Tool Companies, Inc. Increased and variable force and multi-speed clamps
US6676120B1 (en) * 2000-10-26 2004-01-13 M. Susan Hallbeck Bar clamp having ergonomic handle
WO2004004976A2 (en) * 2002-07-09 2004-01-15 Irwin Industrial Tool Company Bar clamp with side-activated braking lever
WO2004080275A2 (en) * 2003-03-06 2004-09-23 Applied Medical Resources Corporation Spring clip and method for assembling same
CA2542386A1 (en) * 2006-03-14 2007-09-14 Rino Lacombe Tongue & groove board spreader

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5005449A (en) * 1990-02-14 1991-04-09 Peterson Manufacturing Co., Inc. Hand tool or improved bar clamp
US5004029A (en) * 1990-04-16 1991-04-02 Garner William C Saw table apparatus
US5454551A (en) * 1993-11-10 1995-10-03 Hobday Clamp Company Clamping device
DE19731579A1 (en) 1997-07-23 1999-01-28 Wolfcraft Gmbh Clamping tool, especially clamp, vice or table
DE29821110U1 (en) * 1998-11-25 2000-04-06 Wolfcraft Gmbh One-handed clamp
US6336386B1 (en) * 2000-07-21 2002-01-08 Yung Jen Lee Plier device having an adjustable opening
US6957808B2 (en) * 2001-11-13 2005-10-25 Wmh Tool Group, Inc. Apparatus for securing a workpiece
US6648315B1 (en) * 2002-11-14 2003-11-18 Yung Jen Lee Clamping device having indirect driving mechanism

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4836596A (en) * 1987-04-15 1989-06-06 Owen Ronald C Tweezers and magnifier
US4893801A (en) * 1988-12-16 1990-01-16 Flinn Robert W Clamp
US5248068A (en) * 1991-10-21 1993-09-28 Snap-On Tools Corporation Caulk gun with ergonomic handles
DE9320922U1 (en) * 1992-11-12 1995-05-04 Triangle Tool Group Inc Ergonomic handle construction for hand tools
DE10005634A1 (en) * 1999-05-27 2000-11-30 Wolfcraft Gmbh Eccentric clamp
WO2002022312A1 (en) * 2000-09-12 2002-03-21 Wolfcraft Gmbh Clamping tool comprising a displaceable and repositionable fixed clamping jaw
US6676120B1 (en) * 2000-10-26 2004-01-13 M. Susan Hallbeck Bar clamp having ergonomic handle
GB2375984A (en) * 2001-05-30 2002-12-04 Peter Devitt Cramp attachment kit
WO2003013793A1 (en) * 2001-08-10 2003-02-20 American Tool Companies, Inc. Increased and variable force and multi-speed clamps
WO2004004976A2 (en) * 2002-07-09 2004-01-15 Irwin Industrial Tool Company Bar clamp with side-activated braking lever
WO2004080275A2 (en) * 2003-03-06 2004-09-23 Applied Medical Resources Corporation Spring clip and method for assembling same
CA2542386A1 (en) * 2006-03-14 2007-09-14 Rino Lacombe Tongue & groove board spreader

Also Published As

Publication number Publication date
DE102006010383A1 (en) 2006-10-05
EP1707317A2 (en) 2006-10-04
US20060255519A1 (en) 2006-11-16
CA2541252C (en) 2014-07-29
CA2541252A1 (en) 2006-10-01
EP1707317B1 (en) 2011-05-25

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