EP0346721A2 - Einstellbare Klemme zum Zusammenbau von Strukturen, die aus einer Vielzahl von Teilen bestehen, insbesondere für Rahmen und Rahmentragwerke - Google Patents

Einstellbare Klemme zum Zusammenbau von Strukturen, die aus einer Vielzahl von Teilen bestehen, insbesondere für Rahmen und Rahmentragwerke Download PDF

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Publication number
EP0346721A2
EP0346721A2 EP89110128A EP89110128A EP0346721A2 EP 0346721 A2 EP0346721 A2 EP 0346721A2 EP 89110128 A EP89110128 A EP 89110128A EP 89110128 A EP89110128 A EP 89110128A EP 0346721 A2 EP0346721 A2 EP 0346721A2
Authority
EP
European Patent Office
Prior art keywords
band
traction element
adjustable clamp
lever
hole
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Withdrawn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
EP89110128A
Other languages
English (en)
French (fr)
Other versions
EP0346721A3 (de
Inventor
Matteo Carbone
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.)
VALEX INTERNATIONAL SpA
Original Assignee
VALEX INTERNATIONAL SpA
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 VALEX INTERNATIONAL SpA filed Critical VALEX INTERNATIONAL SpA
Publication of EP0346721A2 publication Critical patent/EP0346721A2/de
Publication of EP0346721A3 publication Critical patent/EP0346721A3/de
Withdrawn legal-status Critical Current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
    • B25B1/00—Vices
    • B25B1/20—Vices for clamping work of special profile, e.g. pipes
    • B25B1/205—Vices of the chain or strip type

Definitions

  • the present invention relates to an adjustable clamp particularly usable for the assembly of the various parts which constitute frames or frameworks in general, during their manufacture.
  • the aim of the present invention is to provide an adjustable clamp which is characterized by considerable ease in operation by the user.
  • a consequent primary object is to provide an adjustable clamp which can be used to produce a vast range of frame or framework shapes.
  • Another important object is to provide a clamp which is composed of simple elements which can be rapidly assembled even by its operator so that it can be marketed in an assembly kit.
  • Still another object is to provide an adjustable clamp which is characterized by low production costs which allow to market it at competitive prices.
  • Not least object is to provide an adjustable clamp which can be conveniently and preferably manufactured as a whole by injection-molding thermoplastic materials.
  • the adjustable clamp according to the invention is generally indicated by the reference numeral 1 and essentially comprises a band 2, preferably made of synthetic fabric, which can be unreeled from a feed reel of which only the outer container 3, from which the band protrudes, can be seen in the figures; said band wraps up the outer perimeter of a rectangular frame 4 around elements 5 countershaped to the frame corners.
  • Said band before wrapping up said frame 4, and after leaving the container 3, passes through a hole 6 provided in a substantially parallelepipedal traction element 7 to which the end 8 of the band is also connected.
  • Said traction element 7 is centrally traversed by a threaded hole in which an actuation screw 9, provided with an end handle 10, is screwed.
  • Guiding elements, respectively 14 and 15 extend from said element 11 parallel to said actuation screw 9 and laterally thereto, and conveniently comprise metal rods which pass through corresponding holes of said traction element 7, allowing it to move to and from element 11.
  • the elements 5 have a substantially L-like shape defining an outer groove 40 for guiding the band 2 and an inner recess 41 intended to rest against one corner of the frame.
  • the recess 41 which defines a right angle, has, on each angular resting surface, holes 16 allowing, if required, the insertion of dowels 17 which extend from corresponding elements 18 (see figure 2) which are shaped so as complementarily define angles of any value, e.g. to clamp frames having a pentagonal or conveniently hexagonal or even octagonal figure.
  • Both elements 5 and 18 may be replaced by an angle element 19, illustrated in figure 3, comprising two elements, respectively 20 and 21, joined by a flexible lamina 22; each element has a resting base 23 on one side, intended to rest against the frame, and lateral guides 24 on the other side for the band 2.
  • two raised portions 25 and 26 extend from a planar surface of said container 3 in a middle region thereof, symmetrically with respect to its center; said raised portions have an L-shaped cross section and are adapted to fittingly insert in complementarily shaped seats 27 and 28 provided on said traction element 7 proximate to the portion accommodating the end 8 of the band.
  • the hole 6 is shaped so that it can pivotably accommodate the rotation axis 29 of a lever 30 having a toothed formation 31 which is arranged to face said band 2 and is adapted to lock it on one side of the hole, also as an effect of the compression of a spring 32 which pushes said lever 30 from the surface opposite to the toothed formation 31.
  • end 8 of the band 2 has a loop 33 and is inserted in a hole 34 which traverses said element 7 on the opposite side with respect to said hole 6.
  • said hole 34 defines a wedge and is adapted to accommodate a complementarily shaped wedge-like locking element 35 inserted in said loop 33.
  • the band 2 is unreeled from the reel of the container 3 and is passed through the hole 6 of the traction element 7, through the hole 12 of the fixed element 11, around each element 5 on the outside of the frame 4 and then returns through the hole 13 of the element 11 and through the hole 34 of the element 7.
  • the wedge-­like element 35 is inserted in the loop 33 and then accommodated in the complementarily shaped seat of the hole 34.
  • the traction element 7 induces a tension around the frame 4, which may remain in this configuration for all the time required for a possible glueing of the corners.
  • a clamp structure according to the invention is also conveniently suitable for frameworks of any shape by using both the elements 5 and the elements 18 or possibly the angle elements 19.
  • the band 2 may be applied directly to the outer perimetric surface.
  • an adjustable clamp structure having been provided which is easy to use for the operator; said structure has technical improvements which allow its rapid assembly and disassembly, so that it can also be offered to potential customers in an assembly kit.
  • the materials employed, as well as the dimensions, may be any according to the requirements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
EP19890110128 1988-06-16 1989-06-05 Einstellbare Klemme zum Zusammenbau von Strukturen, die aus einer Vielzahl von Teilen bestehen, insbesondere für Rahmen und Rahmentragwerke Withdrawn EP0346721A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT3067288U IT215665Z2 (it) 1988-06-16 1988-06-16 Struttura di morsetto regolabile particolarmente per cornici e telai.
IT3067288U 1988-06-16

Publications (2)

Publication Number Publication Date
EP0346721A2 true EP0346721A2 (de) 1989-12-20
EP0346721A3 EP0346721A3 (de) 1991-06-05

Family

ID=11230803

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890110128 Withdrawn EP0346721A3 (de) 1988-06-16 1989-06-05 Einstellbare Klemme zum Zusammenbau von Strukturen, die aus einer Vielzahl von Teilen bestehen, insbesondere für Rahmen und Rahmentragwerke

Country Status (2)

Country Link
EP (1) EP0346721A3 (de)
IT (1) IT215665Z2 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0730932A1 (de) * 1995-03-04 1996-09-11 Bessey & Sohn GmbH & Co. Bandspanner
US7419148B1 (en) 2004-10-19 2008-09-02 Lee Valley Tools, Ltd. Variable angle flexible band clamp corner
CN110238789A (zh) * 2019-06-22 2019-09-17 朱姗姗 一种医疗担架组装工艺用组装基座
CN115122259A (zh) * 2022-08-06 2022-09-30 安徽省佳艺休闲用品有限公司 躺椅背半自动牵引工装

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8511116U1 (de) * 1985-04-16 1985-07-25 Fa. Friedrich Küpper, 5531 Berlingen Vorrichtung zum Spannen von Bilderrahmen
DE8511115U1 (de) * 1985-04-16 1985-09-19 Fa. Friedrich Küpper, 5531 Berlingen Vorrichtung zum Spannen von Bilderrahmen
US4560153A (en) * 1984-04-20 1985-12-24 Han David C Fixing tool for square frame
DE3505439A1 (de) * 1985-02-16 1986-08-21 Robert 5446 Engeln Wolff Rahmenspannvorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4560153A (en) * 1984-04-20 1985-12-24 Han David C Fixing tool for square frame
DE3505439A1 (de) * 1985-02-16 1986-08-21 Robert 5446 Engeln Wolff Rahmenspannvorrichtung
DE8511116U1 (de) * 1985-04-16 1985-07-25 Fa. Friedrich Küpper, 5531 Berlingen Vorrichtung zum Spannen von Bilderrahmen
DE8511115U1 (de) * 1985-04-16 1985-09-19 Fa. Friedrich Küpper, 5531 Berlingen Vorrichtung zum Spannen von Bilderrahmen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0730932A1 (de) * 1995-03-04 1996-09-11 Bessey & Sohn GmbH & Co. Bandspanner
US5918866A (en) * 1995-03-04 1999-07-06 Bessey & Sohn Gmbh & Co. Strap clamping device
US7419148B1 (en) 2004-10-19 2008-09-02 Lee Valley Tools, Ltd. Variable angle flexible band clamp corner
CN110238789A (zh) * 2019-06-22 2019-09-17 朱姗姗 一种医疗担架组装工艺用组装基座
CN115122259A (zh) * 2022-08-06 2022-09-30 安徽省佳艺休闲用品有限公司 躺椅背半自动牵引工装

Also Published As

Publication number Publication date
IT215665Z2 (it) 1990-10-22
EP0346721A3 (de) 1991-06-05
IT8830672V0 (it) 1988-06-16

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