EP1371452B1 - Kniehebelspannvorrichtung - Google Patents

Kniehebelspannvorrichtung Download PDF

Info

Publication number
EP1371452B1
EP1371452B1 EP02024100A EP02024100A EP1371452B1 EP 1371452 B1 EP1371452 B1 EP 1371452B1 EP 02024100 A EP02024100 A EP 02024100A EP 02024100 A EP02024100 A EP 02024100A EP 1371452 B1 EP1371452 B1 EP 1371452B1
Authority
EP
European Patent Office
Prior art keywords
screw
slot
clamping arm
nut
teeth
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.)
Expired - Lifetime
Application number
EP02024100A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1371452A2 (de
EP1371452A3 (de
Inventor
Detlev Ulle
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.)
DESTACO Europe GmbH
Original Assignee
DE STA CO Metallerzeugnisse 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 DE STA CO Metallerzeugnisse GmbH filed Critical DE STA CO Metallerzeugnisse GmbH
Publication of EP1371452A2 publication Critical patent/EP1371452A2/de
Publication of EP1371452A3 publication Critical patent/EP1371452A3/de
Application granted granted Critical
Publication of EP1371452B1 publication Critical patent/EP1371452B1/de
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
    • B25B5/16—Details, e.g. jaws, jaw attachments
    • 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
    • B25B5/12—Arrangements for positively actuating jaws using toggle links
    • B25B5/122—Arrangements for positively actuating jaws using toggle links with fluid drive

Definitions

  • the invention relates to a toggle lever device consisting from a toggle lever mechanism coupled to a clamp arm containing headpiece in which one on the adjusting mechanism hinged, at least two parts formed, linearly movable and variable-length actuator of a Piston drive is arranged.
  • Such toggle clamps are e.g. from EP 0908272 A1 and EP 1179394 A2 remove.
  • Such modern clamping devices are usually in the head piece also with so-called End einsabfrage wornen equipped, brought by donors on the actuator to act and also are also usually the piston of the Drive and the bottom of the piston receiving the cylinder with the opening position of the tensioning arm damping elements fitted.
  • Such toggle clamping devices are well known and in use, so that in this regard, no special printed evidence required.
  • Such clamping devices are used in a variety of particular production lines in the automotive industry in the body manufacturing.
  • the opening position of the tensioning arm damping elements so it is usually a arranged below the double-acting piston plunger extension, which is associated with a suitable, reduced ventable blind bore in the bottom of the cylinder contained the piston.
  • Such damping for the opening position of the tensioning arm is usually desired and required to avoid or dampen the entire device loading restitution shocks.
  • the adjustment Thread Because of the adjustment Thread are involved, on the one hand, though a very sensitive change in length of the actuator possible, the but on the other hand a generous and easy changeover opposes a large opening angle and vice versa, especially since it is usually sufficient, such opening angle in relative rough adjustment steps of, for example, 15 ° make.
  • the second Disadvantage is that the adjustment without a minimum disassembly the tensioning device is not possible, that is, the Drive cylinder must be released from the tensioning head piece to the to the drive cylinder or its piston belonging part of Actuator with the other part of the actuator screwing rotation can be adjusted, and it also still requires a holding force.
  • the invention is based on the object, this effect to reshape and simplify that an opening angle adjustment of the clamping device belonging to the clamping arm fast and easy to carry out.
  • this embodiment of the invention is, for example. Starting from a maximum opening position of the clamping arm, in which the both parts over the full length of the gears engaged stand and in which the piston in the drive cylinder its deepest Position has, very quickly and without complications only after Release (will be explained in more detail) of the screw connection Smaller opening angle adjustable by simply the tension arm side Part by relatively small pivoting and thus Disengage his gearing from that of the other part and release from the clamping arm to the desired smaller opening angle moved up and in this new, smaller opening position latched in the counter teeth and with the cross screw is fixed.
  • the teeth on the tension arm side part is only on the lower part End area arranged. This is advantageous for the Vernierungstrastung necessary Ausschwenkbreich this part limited.
  • the cross screw is from a in the screw hole introduced and the penetration slot through Imbus cap screw formed at the out of the slot outstanding mother arranged a nut and this secured against rotation is guided in the head of the device.
  • the tensioning device consists, as before and with reference to FIGS. 1, 2, of a headpiece 3 containing a toggle-lever actuating mechanism 2 coupled to a tensioning arm 1, in which a linearly movable part articulated on the mechanism 2 and formed of at least two parts 4, 5 is provided and variable-length actuator 6 of a piston drive 7 is arranged.
  • Such clamping devices are generally equipped in the head piece 3 with so-called End einsabfrage wornen, which are brought by donors G on the actuator 6 to the effect. Since such facilities are known in principle, their detailed explanation and presentation is unnecessary.
  • the tension arm-side part 5 is at its lower end 10 with a screw hole 11 (see Figure 5) and the other, related to the piston drive 7 part 4 with an axially oriented through-slot 12 (see Fig.5,6) provided. Furthermore, there are the screw hole 11 and the passage slot 12 of a cross-threaded 13th penetrated, with which the respectively set Verrastungsposition the two parts is fixed 4,5.
  • the teeth 9 am Span side part 5 advantageous only at its lower end 10 arranged as mentioned above and below
  • the Ausschwenker füris of the part 5 for to keep the unlatching as small as possible.
  • the swiveling of the part 5 is given per se, as this by a joint 20 with an intermediate or drag member 21 of the Actuator 2 is connected, in turn articulated with a lever 22 of the pivot shaft 23 of the clamping arm 1 in Connection stands, whereupon only for the sake of completeness is pointed out.
  • fixation of the two parts 4, 5 in the respective latching position serving cross-bolt 13 is made of a in the gland bore 11 inserted and the penetration slot 12 thorough head screw 14 formed at the from the slot 12 outstanding end a nut 15 is arranged and this secured against rotation in the head piece 3 of the device is guided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
  • Transmission Devices (AREA)
  • Surgical Instruments (AREA)
  • Body Structure For Vehicles (AREA)
  • Vehicle Body Suspensions (AREA)
  • Clamps And Clips (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
EP02024100A 2002-06-13 2002-10-29 Kniehebelspannvorrichtung Expired - Lifetime EP1371452B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20209237U DE20209237U1 (de) 2002-06-13 2002-06-13 Kniehebelspannvorrichtung
DE20209237U 2002-06-13

Publications (3)

Publication Number Publication Date
EP1371452A2 EP1371452A2 (de) 2003-12-17
EP1371452A3 EP1371452A3 (de) 2004-03-03
EP1371452B1 true EP1371452B1 (de) 2005-05-04

Family

ID=7972167

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02024100A Expired - Lifetime EP1371452B1 (de) 2002-06-13 2002-10-29 Kniehebelspannvorrichtung

Country Status (4)

Country Link
EP (1) EP1371452B1 (es)
AT (1) ATE294672T1 (es)
DE (2) DE20209237U1 (es)
ES (1) ES2237644T3 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10256385B3 (de) * 2002-12-02 2004-02-26 De-Sta-Co Metallerzeugnisse Gmbh Spannvorrichtung, insbesondere Kniehebelspannvorrichtung
DE202004016091U1 (de) * 2004-10-15 2006-02-23 De-Sta-Co Europe Gmbh Spannvorrichtung
DE202008012622U1 (de) 2007-08-13 2008-12-24 De-Sta-Co Europe Gmbh Spannvorrichtung
DE102009048510A1 (de) 2009-10-09 2011-04-14 De-Sta-Co Europe Gmbh Spannvorrichtung
DE102009054153A1 (de) * 2009-11-23 2011-05-26 De-Sta-Co Europe Gmbh Spannvorrichtung
DE102012103921A1 (de) * 2012-05-04 2013-11-07 De-Sta-Co Europe Gmbh Spannvorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4793602A (en) * 1987-10-26 1988-12-27 De-Sta-Co Division, Dover Resources, Inc. Locking power clamp
FR2769255B1 (fr) * 1997-10-08 1999-12-03 Genus Technologie Ind Dispositif de maintien, de positionnement, ou de serrage
DE19801433A1 (de) * 1998-01-16 1999-07-22 Sta Co Mettallerzeugnisse Gmbh Spannvorrichtung
EP1179394A3 (en) * 2000-08-03 2003-08-27 Norgren Automotive Inc. Over-center power clamp toggle mechanism

Also Published As

Publication number Publication date
ES2237644T3 (es) 2005-08-01
DE50203005D1 (de) 2005-06-09
DE20209237U1 (de) 2002-09-19
EP1371452A2 (de) 2003-12-17
ATE294672T1 (de) 2005-05-15
EP1371452A3 (de) 2004-03-03

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