EP0040062A1 - Vorrichtung zur Längeneinstellung eines Gurtes - Google Patents

Vorrichtung zur Längeneinstellung eines Gurtes Download PDF

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Publication number
EP0040062A1
EP0040062A1 EP19810302047 EP81302047A EP0040062A1 EP 0040062 A1 EP0040062 A1 EP 0040062A1 EP 19810302047 EP19810302047 EP 19810302047 EP 81302047 A EP81302047 A EP 81302047A EP 0040062 A1 EP0040062 A1 EP 0040062A1
Authority
EP
European Patent Office
Prior art keywords
arm
snubbing
belt
frame
edge
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
EP19810302047
Other languages
English (en)
French (fr)
Other versions
EP0040062B1 (de
Inventor
Alexander Barrie Anderson
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.)
Ase UK Ltd
Original Assignee
Ase UK Ltd
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 Ase UK Ltd filed Critical Ase UK Ltd
Publication of EP0040062A1 publication Critical patent/EP0040062A1/de
Application granted granted Critical
Publication of EP0040062B1 publication Critical patent/EP0040062B1/de
Expired 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
    • A44B11/10—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps with clamping devices sliding wedge
    • 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
    • A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
    • A44B11/2503—Safety buckles
    • A44B11/2546—Details
    • A44B11/2553—Attachment of buckle to strap
    • A44B11/2557—Attachment of buckle to strap with strap length adjustment

Definitions

  • the invention relates to a belt length adjustment device, for use for example in vehicle seat belt systems
  • the belt is trained around a metal cylindrical bar with a knurled surface, carried at its ends for non-rotational sliding movement at right angles to its length in the side walls of a U-shaped metal frame.
  • a pull onan anchored end of the belt causes such sliding movement towards a second metal cylindical bar parallel to the first and mounted for rotation about a fixed axis.
  • the belt is thereby trapped between the bars, but can be released by a pull on its free end, which slides the knurled bar away from the fixed bar to allow movement of the belt through the device.
  • An adjustment device of this kind requires the accurate fabrication of a number of metal parts and is consequently both heavy and expensive to produce. Any obstruction to the free movement of the slidable bar, can render the device ineffective.
  • the invention is concerned with the provision of a belt length adjustment device which can be of very simple construction whilst providing easy and reliable operation.
  • the invention accordingly provides a belt length adjustment device in which the belt is received between two snubbing elements which are resiliently urged together to releasably retain the belt between them.
  • the belt portion which is under load can be arranged to enhance the gripping force on the belt.
  • the snubbing elements conveniently comprise an edge provided by a metal frame, by which the device can be mounted in a desired location and a plastics cover including an arm with a free end providing the other snubbing element.
  • the arm can be urged to engage its free end with the snubbing edge of the frame by a spring or springs, or by its own resilience.
  • the loaded end of the belt can be arranged to extend around the free end of the arm to assist this pressure and this arrangement has the advantage that a snubbing action will still occur even if the arm should be destroyed under extreme loading conditions as might possibly occur during an accident when the device is employed in a vehicle seat belt system.
  • the device 1 of Figures 1 and 2 comprises a metal frame 2 fixedly secured to a cover 11 which can be moulded in plastics material.
  • the frame 2 consists of a metal plate, which is rectangular in shape, except that the sides taper inwardly to the right hand end, at which a transverse aperture 4 is provided for securement of the device, for example to a suitable vehicle anchorage when the device is incorporated in a seat belt system.
  • the plate is bent upwardly and over on itself through 180° to form a semicylindrical portion.
  • the plate is formed with a transverse aperture 6 in the flat portion immediately adjacent the curved end, and a further transverse aperture 8 in the curved end portion itself.
  • the aperture 6 has a straight edge 10 adjacent the curved end portion which constitutes a snubbing edge.
  • the cover 11 has the form of a shell which extends generally parallel to the frame 2 from its curved end portion over about the half the length of the flat portion and then tapers downwardly.
  • the cover 11 has a main body portion engaging the frame 2 between the apertures 4 and 6 and between the aperture 4 and the right hand end.
  • This main body portion 2 overlaps and embraces the outer edges of the frame 2 and also the internal edge of the aperture 4 around an aperture 14 registering therewith.
  • the aperture 14 opens upwardly in smooth convex curves, so that a belt or other securement means can be readily inserted and received therethrough without being exposed to wear through engagement with the metal of the frame.
  • the cover 11 has an aperture 16 approximately registering with the frame aperture 6, and engages over the transverse bar 9 formed at this end of the frame by the aperture 8. From the edge of the aperture 16 adjacent the free edge of this bar 9. an arm portion 20 of the cover extends downwardly, the free end of the arm having a transverse edge 22 in facing relation with the snubbing edge 10 of the frame.
  • the arm portion 20 is formed withjfntegral extension portion 24 extending to the right, in which is formed a transverse slot 26.
  • a pin 28 extends in the same direction centrally from the extension portion 24 and is received in the end of a compression spring 30 which extends into a pocket formed between the cover body portion and the frame.
  • two pins and compression springs or a leaf spring can be employed in place of the spring 30, or the arm 20 can be arranged to urge the edge additionally or 22 against the edge 10 under jts inherent resilience/alone.
  • the belt 32 with which the device 1 is used has a free or unloaded portion 34 extending from the left of the device to the snubbing edge 10. Although shown in Figure 1 spaced from the belt, the edge 22 of the arm 20 is urged by the spring 30 to clamp the belt firmly between the edges 10 and 22. From the edges 10 and 22 the loaded portion 36 of the belt 32 extends upwardly over the bar 9 and downwardly adjacent the arm 20 and the to the left towards the load.
  • the position of the load relative to the device 1 is such that the tension in the loaded portion of the belt acts on the arm portion 20 to add to the snubbing pressure applied by the spring 30.
  • the device 1 would continue to operate even if the arm 20 were to be broken off or otherwise destroyed because the belt 32 would be gripped between the edge 10 and the loaded belt portion 36.
  • portion 36 is pulled downwardly or to the right, or the device 1 is tilted clockwise, so that the belt portion 36 acts on the right hand edge of the slot 26 to withdraw the arm 20 away from the snubbing edge 10.
  • the device 1 can be modified in various ways within the scope of the invention for example to constitute one part of the releasable two part buckle.
  • the securement end of a frame 40 corresponding in other respects to the frame 2 is shaped as/tongue, with a rounded nose and latching edges 42, for reception in the socket part of a buckle provided with a latch member for releasably engaging the edges 42.
  • the socket part can correspond for example to such parts as are disclosed in GB Application 7927754 (Publication 2027790).
  • the cover (not shown) to be secured to the frame 40 can correspond to the cover 11, with an alteration to expose an adequate length of the tongue for reception in the socket part.
  • a modified form of cover 50 is provided with side apertures 52 through which extend the ends of an extension portion 54 of the arm 20 which corresponds to the extension portion 24 except for its greater width. This form of cover permits direct manual movement of the arm 20 to release the belt by operation of the projecting ends of the portion 54.
  • the cover 50 is shaped for use with the frame 2 but can readily be modified for use with the frame 40.
  • the device 60 of Figure 5 has a frame which corresponds to the frame 2 and which bears the same reference numerals as this frame; instead, the frame 40 of Figure 3 could be used in the device 60.
  • the cover 62 secured to this frame differs from the covers 11 and 50 essentially in that an arm 64, provided at its free end with an extension position forming a snubbing edge 66 for co-operation with the snubbing edge 10 of the frame 2, depends not from the portion of the cover engaging the bar 9, but from the central portion of the cover engaging the frame between the apertures 4 and 6, which is hollow.
  • the belt 32 has as before an unloaded portion 34, adjoining a portion shown in Figure 5 as being held between the snubbing edges 10 and 66, from whence the loaded belt portion 36 extends upwardly through the frame aperture 8 and then over the part of the cover 62 around the bar 9. From this position,the belt portion 36 extends downwardly through a transverse slot 68 formed in the extension portion and towards the load.
  • a compression spring 70 is received on opposed pins 72,74 projecting respectively from the arm 64 and the wall of the hollow cover portion facing the arm.
  • the snubbing edge 66 is urged towards the edge 10 by a spring, the spring 70, and also by the tension in the belt portion 36. Adjustment of the belt can be carried out in the manner also previously described. As compared with the earlier described devices, that of Figure 5 provides a better degree of concealment of, and protection for, the spring.
  • the cover 60 can be modified, as before, so that the arm 64 is biassed by its own resilience and/or by different spring arrangements. Moreover, the extension portion at the lower.end of the arm 64 can be extended laterally for manual release operation as with the cover 50 of Figure 4.

Landscapes

  • Automotive Seat Belt Assembly (AREA)
EP19810302047 1980-05-09 1981-05-08 Vorrichtung zur Längeneinstellung eines Gurtes Expired EP0040062B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8015458 1980-05-09
GB8015458 1980-05-09

Publications (2)

Publication Number Publication Date
EP0040062A1 true EP0040062A1 (de) 1981-11-18
EP0040062B1 EP0040062B1 (de) 1984-09-05

Family

ID=10513323

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19810302047 Expired EP0040062B1 (de) 1980-05-09 1981-05-08 Vorrichtung zur Längeneinstellung eines Gurtes

Country Status (2)

Country Link
EP (1) EP0040062B1 (de)
DE (1) DE3165828D1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2025256A1 (de) * 2007-08-03 2009-02-18 SABELT S.p.A. Spannungsregler für einen Sicherheitsgurt eines Sitzes, im Besonderen eines Kindersitzes
ITTO20090111A1 (it) * 2009-02-17 2010-08-18 Sabelt Spa Regolatore di tensione di una cintura di sicurezza per un sedile, in particolare per un seggiolino per il trasporto di bambini

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1066740A (en) * 1966-03-02 1967-04-26 Kock & Sons Inc H Adjustable strap connector
GB1173768A (en) * 1965-12-17 1969-12-10 Citroen Sa Andre Improvements in Devices for Adjusting Safety Belt Lengths for the Passengers of Vehicles
GB1186680A (en) * 1966-04-15 1970-04-02 Andrew Gray Carter Safety Belt Buckle-Assembly
DE1757682A1 (de) * 1967-06-01 1971-05-13 Henri Mottez Schloss,insbesondere fuer Sicherheitsgurte
US3928895A (en) * 1974-08-19 1975-12-30 Repa Feinstanzwerk Gmbh Adjustable strap fastener
US4167054A (en) * 1975-12-03 1979-09-11 Toyota Jidosha Kogyo Kabushiki Kaisha Tongue plate device for use in seat belt system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1173768A (en) * 1965-12-17 1969-12-10 Citroen Sa Andre Improvements in Devices for Adjusting Safety Belt Lengths for the Passengers of Vehicles
GB1066740A (en) * 1966-03-02 1967-04-26 Kock & Sons Inc H Adjustable strap connector
GB1186680A (en) * 1966-04-15 1970-04-02 Andrew Gray Carter Safety Belt Buckle-Assembly
DE1757682A1 (de) * 1967-06-01 1971-05-13 Henri Mottez Schloss,insbesondere fuer Sicherheitsgurte
US3928895A (en) * 1974-08-19 1975-12-30 Repa Feinstanzwerk Gmbh Adjustable strap fastener
US4167054A (en) * 1975-12-03 1979-09-11 Toyota Jidosha Kogyo Kabushiki Kaisha Tongue plate device for use in seat belt system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2025256A1 (de) * 2007-08-03 2009-02-18 SABELT S.p.A. Spannungsregler für einen Sicherheitsgurt eines Sitzes, im Besonderen eines Kindersitzes
ITTO20090111A1 (it) * 2009-02-17 2010-08-18 Sabelt Spa Regolatore di tensione di una cintura di sicurezza per un sedile, in particolare per un seggiolino per il trasporto di bambini

Also Published As

Publication number Publication date
EP0040062B1 (de) 1984-09-05
DE3165828D1 (en) 1984-10-11

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