EP1123778A2 - Serre-joints tels que serre-joints à vis ou à levier - Google Patents

Serre-joints tels que serre-joints à vis ou à levier Download PDF

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Publication number
EP1123778A2
EP1123778A2 EP01100856A EP01100856A EP1123778A2 EP 1123778 A2 EP1123778 A2 EP 1123778A2 EP 01100856 A EP01100856 A EP 01100856A EP 01100856 A EP01100856 A EP 01100856A EP 1123778 A2 EP1123778 A2 EP 1123778A2
Authority
EP
European Patent Office
Prior art keywords
knee
arm
bar
clamp
rail
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
EP01100856A
Other languages
German (de)
English (en)
Other versions
EP1123778B1 (fr
EP1123778A3 (fr
Inventor
Matthias Ocklenburg
Ansgar Honkomp
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.)
Bessey Tool GmbH and Co KG
Original Assignee
Richa Werkzeuge GmbH and Co KG
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 Richa Werkzeuge GmbH and Co KG filed Critical Richa Werkzeuge GmbH and Co KG
Publication of EP1123778A2 publication Critical patent/EP1123778A2/fr
Publication of EP1123778A3 publication Critical patent/EP1123778A3/fr
Application granted granted Critical
Publication of EP1123778B1 publication Critical patent/EP1123778B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • B25B5/10—Arrangements for positively actuating jaws using screws
    • B25B5/102—Arrangements for positively actuating jaws using screws with at least one jaw sliding along a bar
    • 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
    • B25B5/16—Details, e.g. jaws, jaw attachments
    • B25B5/163—Jaws or jaw attachments

Definitions

  • the invention relates to a clamp such as screw or Lever clamp with the features of the preamble of claim 1.
  • Clamps of this type are available in numerous designs Practice, e.g. known from DE 197 48 130 A1.
  • the invention relates Clamps in which the rail, along that of the Clamping mechanism carrying slide bracket is adjustable, and the fixed bracket with pressure plate arranged approximately at right angles to the rail in one piece, e.g. are formed from an all-steel profile.
  • By Bending or redirecting a rail section relative to Fixed arm is a bow or knee with a relatively tight Deflection radius formed.
  • the tensioning mechanism it consists of a screw spindle or an eccentric or Ratchet mechanism with a counter pressure plate.
  • a major advantage of the one-piece, cohesive Formation of rails and fixed brackets e.g. from cold drawn Profile steel consists primarily in a reduction in Manufacturing effort compared to a multi-part design.
  • the Knee with its narrow turning radius is due to the Large clamping of workpieces occurring leverage Exposed to stress. So especially after a long time Use under high tension forces the risk of through Notch stresses caused stress cracks.
  • the angle is relative elastic so that - if you want elasticity even with large ones Limit clamping forces - one the cross section of the steel profile must be dimensioned accordingly large.
  • the object of the invention is a clamp of the type known as known DE 197 48 130 A1 to improve.
  • the invention solves this problem with the features of Claim 1, in particular those of the identification part, that is in that the knee has an elevation against which, for free end of rail and fixed bracket, one against each Target deflection-oriented counter-deflection connects the relevant profile leg (rail and fixed bracket) in its target position leads back, with the knee essentially in the direction of the Bisecting the profile leg is formed outwards.
  • the means of the invention a special design of the knee area, which is particularly characterized by that the knee is still swinging, the Radius of curvature of the hollow of the knee becomes relatively large. This is the The knee area is more resilient or it can be mastered comparable clamping forces of the profile cross section can be reduced and this also reduces the use of materials.
  • a non-generic clamp is from the DE 42 36 049 A1 known.
  • the rail and fixed bracket are over one here bent knee joined together, but are not in the essentially at right angles to each other. From this is a knee elevation is already known, but this is not essentially in the direction of the bisector of the profile legs is shaped outwards.
  • Another non-generic clamp is from the US 4,336,927. It is a Quick clamp, which uses a separate, from the Clamp releasable clamping element is actuated. There is no one here Sliding bracket provided that carries a tensioning mechanism, but only one leg on which a pressure element rests, the Clamping mechanism like a collet, a separate, from the clamp is detachable element, which is not of the Slide bracket is worn.
  • This quick release clamp is one Elevation of a knee provided for the inclusion of a Actuating pin of the collet for support on the Clamp serves.
  • Rail 11 and Fixed brackets 12 are integrally connected to one another; she consist of a bent section of a rolled section or curved section of a forged profile. At the In the exemplary embodiment, the profile has a double-T cross section. The area of the redirection is within the scope of this application as Designated knee 13, the inside of which is called the hollow of the knee 14.
  • this screw-adjustable supports a threaded spindle 16 with a Actuating handle 17 and a pressure plate 18, the one Pressure plate 19 faces at the end of the fixed bracket 12.
  • Knee 13 each has an elevation 20 or 21, to which towards the free end of rail 11 and fixed bracket 12, at least a counter-deflection oriented against the target deflection direction 22 or 23 which connects the relevant profile leg (rail 11 and fixed bracket 12) returns to its target position.
  • FIGS. 1 to 3 is in Rail area an elevation 21 with subsequent Return deflection 22 arranged.
  • This results in a view of the The drawing level of the figures is roughly rounded
  • Its radius of curvature 24 is approximately 0.75 times as large as the material thickness measured in the same plane or direction 29 of the rail profile, which is basically the same everywhere.
  • the ⁇ -shaped Design of the knee 13 is oriented so that the knee 13 in essentially in the direction of the bisector of the profile legs 11, 12 is formed on the outside.
  • the hollow of the knee 14 extends as 1 to 3 can be clearly seen, including the small ones returning end bends over an angular range of 270 °.
  • Fig. 2 shows clearly that the invention created and trained as shown knee 14 a creates a generous space 25 in which corners or edges 26 of a workpiece 27 find space, even if in the Edge area of the workpiece should still have a burr.
  • the hollow of the knee 14 can be used to hang the Clamping clamp 10 on one indicated in FIG. 3 and with 28 designated rod or the like. Serve. There are clamps usually hung from the back of her knee. Their has inventive configurations with undercut space however, the particular advantage that the clamp 10 is not so can easily fall from its suspension 28 if, for example is knocked against the free end of its fixed bracket.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Clamps And Clips (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
EP01100856A 2000-02-08 2001-01-16 Serre-joints tels que serre-joints à vis ou à levier Expired - Lifetime EP1123778B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10005350A DE10005350A1 (de) 2000-02-08 2000-02-08 Spannzwinge wie Schraub- oder Hebelzwinge
DE10005350 2000-02-08

Publications (3)

Publication Number Publication Date
EP1123778A2 true EP1123778A2 (fr) 2001-08-16
EP1123778A3 EP1123778A3 (fr) 2002-10-23
EP1123778B1 EP1123778B1 (fr) 2005-09-28

Family

ID=7630106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01100856A Expired - Lifetime EP1123778B1 (fr) 2000-02-08 2001-01-16 Serre-joints tels que serre-joints à vis ou à levier

Country Status (6)

Country Link
US (1) US6367790B2 (fr)
EP (1) EP1123778B1 (fr)
CN (1) CN1307955A (fr)
AT (1) ATE305365T1 (fr)
DE (2) DE10005350A1 (fr)
TW (1) TW467812B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2392711B (en) * 2002-09-03 2004-08-18 Auto Service Tools Ltd Holding device
WO2006025036A2 (fr) * 2004-09-02 2006-03-09 John Nardozza Dispositif de blocage en l a glissiere comportant un arbre non rotatif
DE102007012275B4 (de) * 2007-03-08 2008-12-18 Bessey Tool Gmbh & Co. Kg Werkstück-Druckbeaufschlagungsvorrichtung
NZ555423A (en) * 2007-05-24 2008-08-29 Grant Gordon Howard Swasbrook A connector
DE102007032146A1 (de) * 2007-07-04 2009-01-08 Bessey Tool Gmbh & Co. Kg Zwinge und Verfahren zur Herstellung einer Zwinge
CA2618459C (fr) 2007-07-26 2015-10-06 Bessey Tool Gmbh & Co. Kg Pince
US20100244348A1 (en) * 2009-03-30 2010-09-30 Stephen Castor Adjustable C-clamp
CN102393294B (zh) * 2011-08-23 2013-08-14 中国航空动力机械研究所 涡流器试验夹具
CN102717346A (zh) * 2012-06-26 2012-10-10 南宁市神华振动时效技术研究所 夹具
US20140014797A1 (en) * 2012-07-13 2014-01-16 Gorilla Forks, LLC Universal clamping assembly and accessories therefor
CN102848326A (zh) * 2012-09-17 2013-01-02 李理 一种木工夹具
CN103883598A (zh) * 2014-04-15 2014-06-25 王光树 一种紧固器件
US9744650B2 (en) 2015-03-06 2017-08-29 Rhea Brothers Llc Drive assembly for use with the handle grip of a clamping device
USD957226S1 (en) * 2021-06-08 2022-07-12 Guangzhou Fengsen Machinery Co., Ltd. Angle fixing clip
DE102021132076B4 (de) 2021-12-06 2024-06-13 Ditabis Digital Biomedical Imaging Systems Ag Spannvorrichtung
US12083613B2 (en) 2022-10-18 2024-09-10 Techtronic Cordless Gp Track saw including plunge lockout mechanism

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR942047A (fr) * 1946-02-21 1949-01-27 Perfectionnements au blocage des organes coulissant
FR1522314A (fr) * 1967-02-24 1968-04-26 Embouts pour appareils de serrage tels que serre-joint de menuisiers ou de carrossiers
US4336927A (en) * 1980-05-08 1982-06-29 Goff Otis W Light-weight jam-clamp and combination
DE8703051U1 (de) * 1987-02-27 1987-04-16 Rhombus Tools Ltd., Halesowen, West Midlands Klemmeinrichtung
DE19748130A1 (de) * 1997-10-31 1999-05-12 Josef Kopf Zwingvorrichtung zum Spannen von Rundmaterialien

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236049A1 (de) * 1992-10-24 1994-04-28 Bessey & Sohn C-förmige Zwinge
DE29713483U1 (de) * 1997-07-29 1998-01-08 Kleinbongartz & Kaiser Werkzeugfabrik, 42853 Remscheid Schraubzwinge

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR942047A (fr) * 1946-02-21 1949-01-27 Perfectionnements au blocage des organes coulissant
FR1522314A (fr) * 1967-02-24 1968-04-26 Embouts pour appareils de serrage tels que serre-joint de menuisiers ou de carrossiers
US4336927A (en) * 1980-05-08 1982-06-29 Goff Otis W Light-weight jam-clamp and combination
DE8703051U1 (de) * 1987-02-27 1987-04-16 Rhombus Tools Ltd., Halesowen, West Midlands Klemmeinrichtung
DE19748130A1 (de) * 1997-10-31 1999-05-12 Josef Kopf Zwingvorrichtung zum Spannen von Rundmaterialien

Also Published As

Publication number Publication date
US6367790B2 (en) 2002-04-09
DE10005350A1 (de) 2001-08-16
DE50107529D1 (de) 2006-02-09
TW467812B (en) 2001-12-11
CN1307955A (zh) 2001-08-15
EP1123778B1 (fr) 2005-09-28
EP1123778A3 (fr) 2002-10-23
US20010011792A1 (en) 2001-08-09
ATE305365T1 (de) 2005-10-15

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