EP0240585B1 - Boucle autobloquante permettant de tendre et raccourcir une sangle - Google Patents

Boucle autobloquante permettant de tendre et raccourcir une sangle Download PDF

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Publication number
EP0240585B1
EP0240585B1 EP86104794A EP86104794A EP0240585B1 EP 0240585 B1 EP0240585 B1 EP 0240585B1 EP 86104794 A EP86104794 A EP 86104794A EP 86104794 A EP86104794 A EP 86104794A EP 0240585 B1 EP0240585 B1 EP 0240585B1
Authority
EP
European Patent Office
Prior art keywords
belt
clamping
crossbar
clamping device
embraced
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
EP86104794A
Other languages
German (de)
English (en)
Other versions
EP0240585A1 (fr
Inventor
Friedemann Dipl.-Ind.-Des. Lotsch
Alfred Swillus
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.)
Dolezych Firma
Original Assignee
Dolezych Firma
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
Priority to DE19853506896 priority Critical patent/DE3506896A1/de
Application filed by Dolezych Firma filed Critical Dolezych Firma
Priority to AT86104794T priority patent/ATE59947T1/de
Priority to EP86104794A priority patent/EP0240585B1/fr
Priority to DE8686104794T priority patent/DE3677001D1/de
Publication of EP0240585A1 publication Critical patent/EP0240585A1/fr
Application granted granted Critical
Publication of EP0240585B1 publication Critical patent/EP0240585B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
    • A44B11/02—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps
    • A44B11/06—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps with clamping devices
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
    • A44B11/02—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps
    • A44B11/06—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps with clamping devices
    • A44B11/12—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps with clamping devices turnable clamp

Definitions

  • the invention relates to a clamping device for self-locking tensioning and shortening of belts with a fixed and a free end of the belt and the like. With a holding part and a displaceably mounted clamping part, which causes the free end of the belt to jam under tensile stress.
  • clamping devices are known in different embodiments. They generally consist of at least two individual clamping parts which are connected as a unit by the belt wrap.
  • the components provided as clamping parts build relatively high, so that, in particular in the case of clamped objects used in the stack, the actual clamping device projects excessively beyond the circumference of this stack and leads to damage to the adjacent stacked objects.
  • the tensioning parts are also designed to be relatively large in the direction of the belt to be tensioned, so that damage must also be expected on the circumferential surface to be tensioned.
  • a clamping device which is formed from a holding part and a clamping part and has a crosspiece on which the free end of the belt can be folded down.
  • a clamping in the sense of the present invention does not take place with this crossbar and the associated web of the holding part. In the working position, i.e. the clamping position, there is a clear distance between the web and the holding part.
  • Belt surfaces of this type are particularly popular when moving and tensioning steel parts, which often have a corrosion protection film or surface residues caused by the production extremely short time also covered with a lubricating film, which accelerates the aforementioned sliding friction accordingly and makes such belts practically unusable.
  • the known clamping device also has an angled edge on the clamping part, which projects beyond the entire components of the clamping device in the closed position, that is to say has a metallic stop surface as an outer boundary, which is to be switched off according to the present invention.
  • a disadvantage of the known clamping device can be seen in the acute-angled contact of both parts (holding part and clamping part) in the area of the fixed belt end. As soon as the clamping device is to be opened by pulling on the loop, the front end of the clamping part slides off the surface of the holding part and hits the inner jacket or the surface of the belt end unhindered. The supporting forces required for opening are shifted directly onto the surface of the belt end. This leads to corresponding damage to the belt in a relatively short time, so that it becomes unusable.
  • the invention has now set itself the task of forming a particularly flat-shaped clamping device, which preferably has the belt itself at least on the fixed clamping side and in a further region as an outer boundary and thus excludes a metallic damage surface.
  • the holding part and the clamping part are designed as loosely slidable frames with crossbars and the fixed belt end comprises both frames, the transverse web of the clamping part enclosed by the fixed belt end being wider than the crossbar of the holding part formed and this first transverse web of the clamping part is assigned a second transverse web as the actual clamping web, which is arranged at a distance from its end face to the transverse web of the holding part and this distance is designed to be less than the protrusion of the enclosed first transverse web remaining against the pulling direction.
  • the holding part is equipped with a pulling device at its free end, which is not enclosed by the belt.
  • clamping device is shown in simplified form in a side view, from which the essential features emerge.
  • the clamping device consists of a holding part 1 and a clamping part 2, which are designed as loosely displaceable frames with crossbars 3-7.
  • the fixed belt end 8 comprises both frames, so that it is available as a closed unit.
  • the enclosed first cross bar 5 of the clamping part 2 is wider than the cross bar 3 of the holding part 1.
  • the first cross piece 5 is assigned a second cross piece 6 on the clamping part 2 as the actual clamping device or as the actual clamping piece, which is arranged with its end face 9 at a distance from the end face 10 of the cross piece 4. In the open state, this distance is less than the protrusion 12 remaining against the pulling direction 11 between the enclosed crosspiece 3 of the holding part 3 and the crosspiece 5 of the clamping part 2, likewise enclosed by the belt end 8.
  • the transverse webs 3 and 5 are looped around by the belt ends 8 and 18 fastened to one another.
  • the remaining free belt end 13 runs around the cross web 4 of the holding part 1 and then between the spacing surface of the crosspieces 4 and 6, in order to be finally led away below the crosspiece 6 as a free end outside the actual area of the clamping device as a pull end.
  • a pulling device can be provided as a crosspiece 7 at the free end 15 of the holding part 1, which is equipped, for example, with a tab as a pulling strap, which, in the case of materials lying on top of one another, for example stacked, also provides protection with regard to the direct contact of the clamping part with the material to be stacked or material to be braced.
  • the enclosed cross bar 5 of the clamping part 2 has a bevel 16 on its end facing the holding part 1, which is used to unroll the corresponding cross bar 3 of the holding part 1 during the opening process.
  • the mutually facing clamping surfaces 9 and 10 of the crossbars 4 and 6 are designed at an acute angle to the direction of tension 11 of the tension belt 13.

Landscapes

  • Buckles (AREA)
  • Clamps And Clips (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Knitting Machines (AREA)
  • Automotive Seat Belt Assembly (AREA)

Claims (5)

1. Dispositif de serrage pour tendre et raccourcir des sangles ou similaire à blocage automatique par un élément de support et un autre élément y attaché de façon déplaçable et effectuant le serrage du bout libre de la sangle, attendu que l'élément de support (1) et l'élément de serrage (2) sont conçus en tant que cadres comprenant des barres transversales et étant déplaçables librement l'un sur l'autre et que le bout fixe de la sangle (8) embrasse les deux cadres, la barre transversale embrassée par elle (5) de l'élément de serrage (2) étant plus large que la barre transversale (3) de l'élément de support (1) et une deuxième barre transversale (6) étant attribuée à cette barre transversale (5) en tant que barre de serrage propre, la face de laquelle est arrangée à distance de la deuxième barre (4), la distance étant moins large que la projection (12) de la barre transversale embrassée (5) restant dans la direction opposée à la direction de traction.
2. Dispositif de serrage selon revendication no. 1, attendu que l'élément de support (1) est fourni d'un dispositiv de traction (15) à son bout libre qui n'est pas embrassé de la sangle.
3. Dispositif selon revendication 1, attendu que le dis­positif de traction (15) est conçu en tant qu'éclisse et/ou sangle de traction pour ouvrir le dispositif de serrage de façon rapide.
4. Dispositif selon revendication 1, attendu que la barre embrassée (5) de l'élément de serrage (2) est fournie d'un chanfrein (16) sur lequel la section transversale (3) cor­respondante de l'élément de support (1) est arrangé de façon déroulante.
5. Dispositif selon revendication 1, attendu que les faces de serrage opposées (9, 10) des barres transversales (4, 6) sont arrangées à angle obtus par rapport à la direction de traction (11) de la sangle de tension.
EP86104794A 1985-02-27 1986-04-07 Boucle autobloquante permettant de tendre et raccourcir une sangle Expired - Lifetime EP0240585B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19853506896 DE3506896A1 (de) 1985-02-27 1985-02-27 Klemmeinrichtung zum selbstsichernden verspannen und verkuerzen von gurten
AT86104794T ATE59947T1 (de) 1986-04-07 1986-04-07 Klemmeinrichtung zum selbstsichernden verspannen und verkuerzen von gurten.
EP86104794A EP0240585B1 (fr) 1986-04-07 1986-04-07 Boucle autobloquante permettant de tendre et raccourcir une sangle
DE8686104794T DE3677001D1 (de) 1986-04-07 1986-04-07 Klemmeinrichtung zum selbstsichernden verspannen und verkuerzen von gurten.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP86104794A EP0240585B1 (fr) 1986-04-07 1986-04-07 Boucle autobloquante permettant de tendre et raccourcir une sangle

Publications (2)

Publication Number Publication Date
EP0240585A1 EP0240585A1 (fr) 1987-10-14
EP0240585B1 true EP0240585B1 (fr) 1991-01-16

Family

ID=8195047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86104794A Expired - Lifetime EP0240585B1 (fr) 1985-02-27 1986-04-07 Boucle autobloquante permettant de tendre et raccourcir une sangle

Country Status (3)

Country Link
EP (1) EP0240585B1 (fr)
AT (1) ATE59947T1 (fr)
DE (1) DE3677001D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6802558B2 (ja) * 2016-11-11 2020-12-16 山本光学株式会社 ベルト長さ調節具

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB169076A (en) * 1920-07-29 1921-09-22 Raymer Mfg Company Ltd Buckles
US3277543A (en) * 1965-07-26 1966-10-11 Koch & Sons Inc H Two-piece buckle
US4175304A (en) * 1977-05-27 1979-11-27 Bentley Richard P Strap closure
SE435091B (sv) * 1983-01-31 1984-09-03 Ergonomen Hb Spenne for ett band spenne for ett band

Also Published As

Publication number Publication date
DE3677001D1 (de) 1991-02-21
EP0240585A1 (fr) 1987-10-14
ATE59947T1 (de) 1991-02-15

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