EP0489950A1 - Fermeture pour ceinture de sécurité de véhicules automobiles - Google Patents

Fermeture pour ceinture de sécurité de véhicules automobiles Download PDF

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Publication number
EP0489950A1
EP0489950A1 EP90123817A EP90123817A EP0489950A1 EP 0489950 A1 EP0489950 A1 EP 0489950A1 EP 90123817 A EP90123817 A EP 90123817A EP 90123817 A EP90123817 A EP 90123817A EP 0489950 A1 EP0489950 A1 EP 0489950A1
Authority
EP
European Patent Office
Prior art keywords
mass body
release button
toothed
lock
housing
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
EP90123817A
Other languages
German (de)
English (en)
Other versions
EP0489950B1 (fr
Inventor
Artur Föhl
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.)
TRW Occupant Restraint Systems GmbH
Original Assignee
TRW Occupant Restraint Systems 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 TRW Occupant Restraint Systems GmbH filed Critical TRW Occupant Restraint Systems GmbH
Priority to EP90123817A priority Critical patent/EP0489950B1/fr
Priority to DE59006528T priority patent/DE59006528D1/de
Priority to ES90123817T priority patent/ES2032370T3/es
Priority to US07/793,166 priority patent/US5115543A/en
Priority to JP3320574A priority patent/JPH0642845B2/ja
Publication of EP0489950A1 publication Critical patent/EP0489950A1/fr
Application granted granted Critical
Publication of EP0489950B1 publication Critical patent/EP0489950B1/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
    • A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
    • A44B11/2503—Safety buckles
    • A44B11/2507—Safety buckles actuated by a push-button
    • A44B11/2523—Safety buckles actuated by a push-button acting parallel to the main plane of the buckle and in the same direction as the fastening action
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45602—Receiving member includes either movable connection between interlocking components or variable configuration cavity
    • Y10T24/45623—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45602—Receiving member includes either movable connection between interlocking components or variable configuration cavity
    • Y10T24/45623—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor
    • Y10T24/45628—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor for plural, oppositely shifting, similar interlocking components or segments
    • Y10T24/45634—Operator includes camming or wedging element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45602—Receiving member includes either movable connection between interlocking components or variable configuration cavity
    • Y10T24/45623—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor
    • Y10T24/45639—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor including pivotally connected element on receiving member
    • Y10T24/45644—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor including pivotally connected element on receiving member for shifting pivotally connected interlocking component

Definitions

  • the invention relates to a buckle for seat belt systems in vehicles which are provided with a rear tensioning device engaging the buckle, with a load-bearing housing in which an insertion path for a tongue is formed, a latch engaging with the tongue which is between a first position in which the tongue is blocked in the lock, and a second position, in which the tongue is released from the lock, is movable, a release button which is spring-loaded into a rest position and by its actuation in the direction of the insertion movement of the tongue, which with the Back tightening direction coincides until the latch is moved into the second position in a release position, and a mass body which compensates for the inertia of the release button at the end of a back tightening stroke.
  • Locks for seat belt systems are known in numerous designs.
  • a design has proven itself in which the load-bearing housing of the lock is formed with an insertion path for the tongue and a bolt which is guided on the housing so as to be displaceable transversely to the insertion path or which interacts with a latch opening of the insertion tongue.
  • a locking member which is displaceably guided in the housing parallel to the insertion path holds the bolt in its locking position as long as a release button which is likewise displaceably guided in the housing parallel to the insertion path is in its rest position. This release button is coupled to the locking member in order to move it into a release position when actuated, in which the bolt is released from the latching opening of the tongue.
  • the force required for back tensioning can be generated mechanically by means of a strongly dimensioned spring or pyrotechnically. If the back tension force is of sufficient magnitude, especially when using pyrotechnic back tension drives, in certain cases an automatic opening at the end of the back tension path can occur when using a lock of the type specified at the beginning.
  • this pawl or balancing mass is a component that during the life of the Castle never becomes active. Only during a back tightening process, which may only occur after 10 years of use of the lock, should the pawl or balancing mass be shifted from a rest position through its inertia to a locked position. In its rest position, it is usually held by a spring. It cannot now be ruled out that impairment of the functionality of the latch or balancing mass may occur in the course of the long period of use of the lock. For example, a pawl can be prevented from getting out of its rest position into its locked position by dirt or penetration of foreign bodies.
  • a lock for seat belt systems in vehicles is made available by the invention, which ensures a forced movement of the mass body each time the release button is actuated. This forced movement of the mass body each time the release button is pressed, its freedom of movement is guaranteed even over long periods of 10 or more years.
  • the buckle according to the invention for seat belt systems in vehicles is characterized in that at least one first toothing element is formed on the release button or on a part which is at least non-positively connected to it, that a second toothing element is formed on the mass body which is movably mounted relative to the housing, that the first toothing element and the second gear element directly or permanently intermesh with one another via an interposed third toothing element, that the direction of the movement transmission caused by the meshing of the toothing elements between the release button and mass body is determined in such a way that the mass inertia of the mass body opposes the movement of the release button in the backward direction, and that the mass body underneath Taking into account the transmission ratio between the toothing elements is dimensioned such that the inhibiting force generated by it, which opposes the movement of the release button in the back tightening direction, is sufficient to prevent the release button from moving into its release position at the end of the back tightening movement of the lock.
  • the lock according to the invention is characterized by an extremely high level of functional reliability in a back tightening process due to the regular forced movement of the mass body each time the release button is pressed.
  • a load-bearing housing 10 is surrounded by a cover shell 12 made of plastic.
  • the housing 10 is connected by a rivet 14 to a fitting part 16, on which a back tensioning device (not shown) engages in a known manner.
  • a back tensioning device (not shown) engages in a known manner.
  • the load-bearing housing 10 is made from a generally U-shaped metal plate.
  • An insertion path for a tongue 18 of the seat belt system is formed between the two legs of the housing 10.
  • the webbing 20 is guided through a slot 22 of the tongue 18.
  • a bolt 26 loaded by a compression spring 24 is displaceably guided transversely to the insertion path of the lock. In its position shown in FIG. 1, it crosses aligned openings of the housing 10 and the tongue 18. Between the inside of the cover shell 12 and the housing 10, a release button 28 is slidably guided. This release button 28 is provided with a recess for the passage of the latch 26. The release button 28 is biased by at least one compression spring 30 into its unactuated position shown in FIG. 1; 2 such compression springs can be seen.
  • a toothing element in the form of a toothed strip 40 is molded onto the release button 28.
  • a lever 42 is pivotally mounted on the inside of the housing shell 12. This lever 42 forms a mass body with the center of gravity S, which is located at a distance from the pivot bearing of the lever 42.
  • a pinion segment 44 is integrally formed on the pivot axis of the lever 42. This pinion segment 44 is permanently in meshing engagement with the toothed rack 40.
  • the release button 28 strives to continue the movement in the direction of arrow F due to its inertia, namely in one direction, which corresponds to its direction of actuation for opening the lock, the inertia of the lever 42 counteracts it, since, because of the direct meshing engagement between the toothed strip 40 and the pinion segment 44, the release button 28 can only move in the direction of arrow F if the lever 42 is pivoted in the direction of arrow A in Fig. 3.
  • a rack 40 is in turn arranged on the release button 28.
  • the toothed rack 40 is in meshing engagement with an externally toothed disk 50, which at least approximately in its center of gravity, which corresponds to its center point, by means of a bearing pin 52 on the inside of the cover shell 12 (in FIGS. 5 and 6 not shown) is rotatably mounted.
  • a bore 54 in the body of the disk 50 compensates for imbalances which are caused on the outer circumference of the disk 50 in the region of its external toothing 56 by the mass left out there.
  • the release button 28 Each time the release button 28 is actuated, the disc 50 is rotated due to the continuous meshing between its teeth 56 and the toothed rack 40. Since the disc 50 is mounted so that it moves smoothly, the actuation of the release button 28 is in no way impeded by it. However, if, particularly at the end of a backstroke stroke, the release button 28, due to its inertia, strives to continue its movement, the direction of which corresponds to its normal actuation direction, then the inertia of the disk 50 resists this movement. Due to its inertia, the disk 50 tries to maintain its rotational position in space.
  • the disk 50 In order to accelerate the disk 50 to a rotational speed which corresponds to the speed of the downward movement of the release button 28 at the end of the back tightening stroke, a high energy would have to be applied due to the conservation of the angular momentum.
  • the disc 50 can easily be dimensioned so that the release button 28 is never able to apply this energy.
  • a particular advantage of the embodiment shown in FIGS. 5 and 6 is that the disk 50, since it is supported in its center of gravity, exerts an inhibiting force on the release button 28 that is independent of its rotational position and can have a relatively low mass overall, since the angular momentum is quadratic in relation to the radius on which the mass elements of the disk lie.
  • two pinions 60, 62 are rotatably mounted on the release button 28. These pinions 60, 62 are arranged symmetrically to the longitudinal axis of the lock. Each pinion 60, 62 is in meshing engagement with an associated toothed rack 64, 66, which is integrally formed on the inside of the cover shell 12, and at the same time with teeth 70, 71 on one leg of a U-shaped mass body 72. The Pinions 60, 62 are arranged between the legs of the mass body 72. The mass body 72 is mounted displaceably relative to the load-bearing housing 10 of the lock in the actuation direction of the release button 28. The release button 28 is loaded into its rest position by two compression springs 30.
  • the pinions 60, 62 Due to the permanent meshing engagement between the pinions 60, 62 and the toothed strips 64, 66 on the one hand and between these pinions and the toothings 70, 71 on the other hand, the pinions 60, 62 run in the direction of arrow B in FIG. 8 each time the release button 28 is actuated the toothed strips 64, 66 and on the toothing 70, 71 and are moved down with the release button. The mass body 72 remains at rest during this process. It therefore does not in any way impair the smooth operation of the release button 28.
  • the release button 28 strives due to its inertia, which Take pinion 60, 62 with them in the direction of actuation B via their bearing pins.
  • the inertia forces exerted by the release button 28 on the one hand and by the mass body 72 on the other hand therefore counteract each other, so that neither the release button 28 nor the mass body 72 is displaced relative to the housing or the cover shell 12. An unintentional Opening the lock at the end of the back tension stroke is therefore excluded.
  • FIGS. 7 and 8 The embodiment shown in FIGS. 7 and 8 is characterized by a high mechanical strength due to its symmetrical structure.
  • the space required for accommodating the pinion and the mass body is small, especially since the mass body 72, although it is movable in the longitudinal direction relative to the load-bearing housing and to the cover shell, practically does not change its position relative to the housing and cover shell.
  • the mass body 72 is rod-shaped and arranged between the pinions 60, 62. Furthermore, the toothed strips 64, 66 are molded onto a longitudinal rib 76 of the cover shell 12. Otherwise, the structure and mode of operation of this embodiment correspond to those in the embodiment according to FIGS. 7 and 8.
  • the toothing element with which the toothed strip 40 is in meshing engagement is designed as a pinion 60 rotatably mounted on the inside of the cover shell.
  • This pinion 60 is permanently meshed with the toothed rack 40 and a toothing on a rod-shaped mass body 80.
  • the mass body 80 is mounted such that it can be displaced in the longitudinal direction relative to the load-bearing housing and to the cover shell of the lock. With each movement of the release button 28 in the actuation direction B, the pinion 60 is set in rotation.
  • the mass body 80 Since the center of the pinion 60 is fixed to the cover of the lock, the mass body 80 must move in the opposite direction to the movement of the release button 28 when the pinion rotates. Because of the permanent meshing engagement between the pinion 60, the rack 40 and the toothing of the mass body 80, the inertial forces of the release button 28 and mass body 80 counteract each other. The inertia of the mass body 80 therefore prevents a further movement of the release button 28 in the actuation direction B relative to the housing and cover of the lock at the end of a backstroke stroke.
  • FIGS. 12 and 13 differ from that according to FIG. 11 in that the pinion 60 is replaced by a toothing element 82 or 84, which has two circular-shaped toothing segments 82a, 82b, which are at different distances from the pivot bearing of the toothing element 82 are located.
  • the toothing element 82 therefore causes a translation or reduction between the movements of the release button 28 and the mass body 80 in the longitudinal direction of the lock, depending on the ratio of the distances of the toothing elements 82a, 82b from the bearing axis of the toothing element 82.
  • FIG. 12 differ from that according to FIG. 11 in that the pinion 60 is replaced by a toothing element 82 or 84, which has two circular-shaped toothing segments 82a, 82b, which are at different distances from the pivot bearing of the toothing element 82 are located.
  • the toothing element 82 therefore causes a translation or reduction between the movements of the release button 28 and the mass body 80 in the longitudinal direction of the lock, depending on the ratio of the distance
  • the movement of the release button 28 via the toothing element 82 is translated into a larger movement of the mass body 80; 13, on the other hand, the movement of the release button 28 is reduced to a smaller movement of the mass body 80.
  • the size of the mass body can be adapted in accordance with the transmission ratio or reduction ratio.
  • two pinions 60, 62 are rotatably mounted on the inside of the cover shell of the lock.
  • the release button 28 is provided with two molded toothed racks 64, 66.
  • the rack 64 is in mesh with the rack 62, the rack 66 with the rack 60.
  • the pinions 62, 60 are in meshing engagement with opposing toothings 70, 71 of a mass body 72.
  • the mass body 72 is mounted such that it can be displaced in the longitudinal direction relative to the housing of the lock and its cover shell.
  • the mode of operation corresponds to that in the embodiment according to FIG. 11 and is therefore not explained again.
  • the mass body 72 is not rod-shaped as in FIGS. 14 and 15, but is U-shaped, and the pinions 60, 62 are arranged between the legs of the mass body.
  • the pinions 60, 62 are rotatably mounted on the inside of the cover shell.
  • the mode of operation of this embodiment corresponds in principle to that of the embodiment according to FIGS. 14 and 15.

Landscapes

  • Automotive Seat Belt Assembly (AREA)
  • Buckles (AREA)
  • Seats For Vehicles (AREA)
EP90123817A 1990-12-11 1990-12-11 Fermeture pour ceinture de sécurité de véhicules automobiles Expired - Lifetime EP0489950B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP90123817A EP0489950B1 (fr) 1990-12-11 1990-12-11 Fermeture pour ceinture de sécurité de véhicules automobiles
DE59006528T DE59006528D1 (de) 1990-12-11 1990-12-11 Schloss für Sicherheitsgurtsysteme in Fahrzeugen.
ES90123817T ES2032370T3 (es) 1990-12-11 1990-12-11 Cerradura para sistemas de cinturon de seguridad en vehiculos.
US07/793,166 US5115543A (en) 1990-12-11 1991-11-18 Buckle for safety belt systems in vehicles
JP3320574A JPH0642845B2 (ja) 1990-12-11 1991-12-04 自動車の安全ベルトのためのバックル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90123817A EP0489950B1 (fr) 1990-12-11 1990-12-11 Fermeture pour ceinture de sécurité de véhicules automobiles

Publications (2)

Publication Number Publication Date
EP0489950A1 true EP0489950A1 (fr) 1992-06-17
EP0489950B1 EP0489950B1 (fr) 1994-07-20

Family

ID=8204825

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90123817A Expired - Lifetime EP0489950B1 (fr) 1990-12-11 1990-12-11 Fermeture pour ceinture de sécurité de véhicules automobiles

Country Status (5)

Country Link
US (1) US5115543A (fr)
EP (1) EP0489950B1 (fr)
JP (1) JPH0642845B2 (fr)
DE (1) DE59006528D1 (fr)
ES (1) ES2032370T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4401291C1 (de) * 1994-01-18 1995-02-02 Hs Tech & Design Sicherheitsgurtverschluß
EP0868860A1 (fr) * 1997-04-02 1998-10-07 AlliedSignal Limited Boucle
CN108327164A (zh) * 2018-01-22 2018-07-27 李恒飞 汽车安全带扣扣片加热装置

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2587877Y2 (ja) * 1992-05-26 1998-12-24 日本精工株式会社 シートベルト用バックル装置
JPH06225804A (ja) * 1993-02-02 1994-08-16 Takata Kk 自動バックル装置
US5496068A (en) * 1995-01-20 1996-03-05 Trw Vehicle Safety Systems Inc. Inertia sensitive buckle for seat belt pretensioner system
DE19502416A1 (de) * 1995-01-26 1996-08-01 Trw Repa Gmbh Verschluß für Sicherheitsgurte
US5522619A (en) * 1995-02-01 1996-06-04 Alliedsignal Inc. End release seat belt buckle having an inertia-sensitive locking mechanism
US5704099A (en) * 1995-10-05 1998-01-06 Trw Vehicle Safety Systems Inc. Seat belt buckle with inertia locking mechanism
GB9614623D0 (en) * 1996-07-11 1996-09-04 Alliedsignal Ltd Buckle
DE20010538U1 (de) * 2000-06-14 2000-10-26 TRW Occupant Restraint Systems GmbH & Co. KG, 73553 Alfdorf Gurtschloß mit Trägheitsscheibe
DE20010535U1 (de) * 2000-06-14 2000-10-26 TRW Occupant Restraint Systems GmbH & Co. KG, 73553 Alfdorf Strafferfestes Gurtschloß
US6539595B1 (en) 2001-06-29 2003-04-01 Charles E. Benedict Non-inertial release safety restraint belt buckle system
US20030036031A1 (en) * 2001-08-20 2003-02-20 Lieb Joseph Alexander Light-emitting handpiece for curing photopolymerizable resins
US7370393B2 (en) * 2004-09-20 2008-05-13 Delphi Technologies, Inc. Seat belt buckle for use with pretensioner
US7543363B2 (en) 2005-05-26 2009-06-09 Delphi Technologies, Inc. Seat belt buckle for use with pretensioner
WO2010057991A1 (fr) * 2008-11-21 2010-05-27 Holmbergs Childsafety Ab Boucle et ensemble de ceinture de sécurité
US9009932B2 (en) * 2011-05-16 2015-04-21 The Engineering Institute, Llc Buckle for preventing inertial de-buckling

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988006012A1 (fr) * 1987-02-10 1988-08-25 Autoliv Development Aktiebolag Boucle de ceinture de securite
WO1990010397A1 (fr) * 1989-03-15 1990-09-20 Autoflug Gmbh & Co. Fahrzeugtechnik Boucle resistant aux chocs pour ceintures de securite

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1317765A (fr) * 1963-05-08
US3233296A (en) * 1962-11-19 1966-02-08 Aircraft Mechanics Belt storing buckle
US3255502A (en) * 1964-05-28 1966-06-14 Jesse R Hollins Quick release buckle
US3648333A (en) * 1969-10-20 1972-03-14 Robbins Seat Belt Co Seat belt buckle assembly
FR2509969A1 (fr) * 1981-07-27 1983-01-28 Klippan Nv Boucle de fermeture de ceinture de securite a loquet pivotant
DE3838755C2 (de) * 1988-11-16 1998-03-19 Sispa Ges Fuer Sicherungs Und Gurtverschluß

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988006012A1 (fr) * 1987-02-10 1988-08-25 Autoliv Development Aktiebolag Boucle de ceinture de securite
WO1990010397A1 (fr) * 1989-03-15 1990-09-20 Autoflug Gmbh & Co. Fahrzeugtechnik Boucle resistant aux chocs pour ceintures de securite

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4401291C1 (de) * 1994-01-18 1995-02-02 Hs Tech & Design Sicherheitsgurtverschluß
EP0868860A1 (fr) * 1997-04-02 1998-10-07 AlliedSignal Limited Boucle
US6088890A (en) * 1997-04-02 2000-07-18 Breed Automotive Technology, Inc. Safety belt buckle
CN108327164A (zh) * 2018-01-22 2018-07-27 李恒飞 汽车安全带扣扣片加热装置
CN108327164B (zh) * 2018-01-22 2020-02-14 宁波德科精密模塑有限公司 汽车安全带扣扣片加热装置

Also Published As

Publication number Publication date
JPH0642845B2 (ja) 1994-06-08
US5115543A (en) 1992-05-26
DE59006528D1 (de) 1994-08-25
EP0489950B1 (fr) 1994-07-20
ES2032370T3 (es) 1994-12-16
JPH04276206A (ja) 1992-10-01
ES2032370T1 (es) 1993-02-16

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