EP0483495A1 - Serre-joint avec élément de fixation ajustable - Google Patents

Serre-joint avec élément de fixation ajustable Download PDF

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Publication number
EP0483495A1
EP0483495A1 EP91115325A EP91115325A EP0483495A1 EP 0483495 A1 EP0483495 A1 EP 0483495A1 EP 91115325 A EP91115325 A EP 91115325A EP 91115325 A EP91115325 A EP 91115325A EP 0483495 A1 EP0483495 A1 EP 0483495A1
Authority
EP
European Patent Office
Prior art keywords
clamping device
adjusting
slide rail
slide
locking element
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.)
Withdrawn
Application number
EP91115325A
Other languages
German (de)
English (en)
Inventor
Horst Klimach
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 and Sohn GmbH and Co KG
Original Assignee
Bessey and Sohn 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 Bessey and Sohn GmbH and Co KG filed Critical Bessey and Sohn GmbH and Co KG
Publication of EP0483495A1 publication Critical patent/EP0483495A1/fr
Withdrawn legal-status Critical Current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
    • B25B5/166—Slideways; Guiding and/or blocking means for jaws thereon
    • 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

Definitions

  • the invention relates to a tensioning device, comprising a slide rail and a slide bracket which can be fixed on it by tilting, with an opening penetrated by the slide rail and a fixing element which projects from a tilting surface of the opening in the direction of the slide rail and engages in the slide rail.
  • Such a tensioning device is known for example from DE-OS 32 810 486.
  • the disadvantage of this known clamping device is to be seen in the fact that in the known fixing element, due to dimensional deviations in production, a depth of engagement of the same is different and thus a different degree of gripping of the fixing element takes place due to production fluctuations.
  • the invention is therefore based on the object of improving a tensioning device of the generic type in such a way that, despite production fluctuations, an essentially uniform gripping of the fixing elements can be achieved with all tensioning devices.
  • a structurally particularly simple embodiment provides that the fixing element is a projection on the adjusting element, the fixing element being molded in one piece onto the adjusting element in the most appropriate case.
  • the projection comprises a cutting edge.
  • the slide rail has a corrugation facing the fixing element, so that the projection or the projections can then engage in this corrugation.
  • This engagement is particularly advantageous in the case of a plurality of projections if the projections are at a distance corresponding to a division of the corrugation.
  • the adjusting element is an adjusting screw seated in a threaded bore in the sliding body.
  • the fixing element is annular.
  • the fixing element according to the invention can be advanced in the direction of the slide rail. This is expediently deliverable transversely to the slide rail, a particularly simplified constructive solution providing for the fixing element to be deliverable to the slide rail essentially perpendicular to a longitudinal direction thereof.
  • an adjustment of the adjusting element is provided for adjusting the position of the fixing element.
  • the adjusting element is secured against misalignment on the slide bracket.
  • an advantageous embodiment provides that the adjusting element is an adjusting screw screwed into a thread on the slide bracket body and that the thread is blocked to secure the adjusting screw.
  • An advantageous solution provides for the thread to be blocked by welding, for example by spot welding.
  • Another possibility is to block the thread with an adhesive material.
  • Another advantageous possibility provides that the thread is blocked by deformation of the same.
  • Such blocking of the thread by deformation can advantageously be achieved by deforming a wall region of the slide bracket body that carries the thread.
  • the actuating element in which the actuating element is secured against adjustment, it is achieved that the actuating element does not automatically adjust during use of the tensioning device.
  • the actuating element has a positive locking element for an adjusting key for adjusting the adjusting element and that the positive locking element is made inaccessible to the adjusting key after adjustment of the adjusting element.
  • the overlap is preferably designed such that it at least partially overlaps the interlocking element on the access side.
  • This overlap can be implemented particularly simply in terms of construction in that the overlap is formed by deformation of a region of the sliding bracket body.
  • the overlap is formed by deformation of a wall region which projects beyond the adjusting element on an access side for the form-locking element.
  • An embodiment of a tensioning device comprises a slide rail 10, on which, for example, a fixed bracket 12 is held at one end and on which a slide bracket 14 is slidably arranged.
  • This slide bracket 14 is formed from a slide bracket body 16 enclosing the slide rail, from which extends a slide bracket arm 18 which, at its end facing away from the slide bracket body 16, is penetrated, for example, by a spindle 20 which carries a pressure piece 22 at its front end with which a workpiece to be clamped can be clamped against a pressure plate 24 of the fixed bracket (FIG. 1).
  • the slide bracket 16 can be fixed by tilting on the slide rail 10.
  • the slide bracket body 18 is provided with an opening designated as a whole by 26, which is penetrated by the slide rail and on its two narrow wall areas 28 and 30 form diametrically opposed canting surfaces 32 and 34 which abut on narrow sides 36 and 38 of the slide rail 10 and thereby fix the slide bracket 14 in the longitudinal direction of the slide rail 10.
  • the opening 26 is preferably designed such that its wall regions are set back in the center relative to the slide rail 10, so that the narrow wall regions 28 and 30 are divided into two separate narrow wall region sections 28a and 28b and 30a and 30b.
  • the canting surfaces 32 and 34 are encompassed by the narrow wall area sections 28a and 30b (FIG. 2).
  • a fixing element comprising two projections 36, 38 protrudes from the canting surface 32 arranged opposite the slide bracket 10 with respect to the slide rail 10, the projections 36 , 38 wear cutters 40 and 42 at their ends facing the narrow side 36 of the slide rail 10.
  • projections 36, 38 are formed on an adjusting screw 44 serving as an adjusting element, which is screwed into a threaded bore 46 in the slide bracket body 16, this threaded bore having an axis 48 which runs transversely to the longitudinal direction of the slide rail 10, preferably perpendicularly to the latter.
  • the threaded bore 46 passes through the slide bracket body from an underside 50 opposite the slide bracket arm 18 to the canting surface 32.
  • the two projections 36, 38 are part of an annular projection, molded onto the adjusting screw 44 with an annular cutting edge.
  • the adjusting screw 44 With this adjusting screw 44, the position of the projections 36 and 38 and the cutting edges 40 and 42 with respect to the canting surface 32 can be adjusted, and thus a depth of engagement thereof in the slide rail 10 can be adjusted.
  • the adjusting screw 44 has at its end opposite the projections 36, 38 a hexagon socket 52 designed as a form-locking element, into which an adjusting key 54, indicated by dash-dotted lines in FIG. 2, can be inserted in order to adjust the position of the projections 36, 38.
  • the adjusting screw 44 is secured in the threaded bore 46.
  • a notch 60 is made in a wall area 58 lying between the adjusting screw 44 and a front outside 56 of the sliding bracket body 16 at the level of the position of the adjusted adjusting screw 44, so that the threaded bore 46 is deformed and the adjusting screw 44 can no longer be rotated automatically in the latter .
  • the hexagon socket 52 is made inaccessible after the adjustment of the adjusting screw 44.
  • a wall region 62 projecting beyond the end of the adjusting screw 44 opposite the projections 36, 38, indicated by dash-dotted lines in FIG. 2 is deformed and formed into an overlap 64 which projects as far in the direction of the axis 48 of the threaded bore 46 and the hexagon socket 52 engages that the adjustment key 54 can no longer be inserted into the hexagon socket 52 approximately parallel to the axis 48.
  • the narrow sides 36 and 38 of the slide rail 10 are preferably provided with corrugations 66 and 68, respectively, the corrugations having a pitch which is a distance between the cutting edges 40 and 42 Corresponds to projections 36 and 38, respectively.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
EP91115325A 1990-10-30 1991-09-11 Serre-joint avec élément de fixation ajustable Withdrawn EP0483495A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9014946U 1990-10-30
DE9014946U DE9014946U1 (de) 1990-10-30 1990-10-30 Spanneinrichtung mit justierbarem Fixierelement

Publications (1)

Publication Number Publication Date
EP0483495A1 true EP0483495A1 (fr) 1992-05-06

Family

ID=6858866

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91115325A Withdrawn EP0483495A1 (fr) 1990-10-30 1991-09-11 Serre-joint avec élément de fixation ajustable

Country Status (2)

Country Link
EP (1) EP0483495A1 (fr)
DE (1) DE9014946U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6024350A (en) * 1997-01-14 2000-02-15 Black & Decker Inc. Clamp for a power tool
US6296679B1 (en) 1996-10-03 2001-10-02 Hajime Kato Method for hydrocarbon steam reforming

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1811518A (en) * 1929-09-28 1931-06-23 George E Palmer Clamp
FR2526701A1 (fr) * 1982-05-15 1983-11-18 Bessey & Sohn Serre-joint, en particulier serre-joint a vis
DE8610176U1 (de) * 1986-04-15 1986-05-28 Gross & Froelich GmbH, 7000 Stuttgart Spannzwinge mit Druckstück

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1811518A (en) * 1929-09-28 1931-06-23 George E Palmer Clamp
FR2526701A1 (fr) * 1982-05-15 1983-11-18 Bessey & Sohn Serre-joint, en particulier serre-joint a vis
DE8610176U1 (de) * 1986-04-15 1986-05-28 Gross & Froelich GmbH, 7000 Stuttgart Spannzwinge mit Druckstück

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6296679B1 (en) 1996-10-03 2001-10-02 Hajime Kato Method for hydrocarbon steam reforming
US6024350A (en) * 1997-01-14 2000-02-15 Black & Decker Inc. Clamp for a power tool

Also Published As

Publication number Publication date
DE9014946U1 (de) 1991-01-10

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