EP0662288A1 - Boucle de ceinture pour au moins deux ceintures de sécurité - Google Patents

Boucle de ceinture pour au moins deux ceintures de sécurité Download PDF

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Publication number
EP0662288A1
EP0662288A1 EP94118116A EP94118116A EP0662288A1 EP 0662288 A1 EP0662288 A1 EP 0662288A1 EP 94118116 A EP94118116 A EP 94118116A EP 94118116 A EP94118116 A EP 94118116A EP 0662288 A1 EP0662288 A1 EP 0662288A1
Authority
EP
European Patent Office
Prior art keywords
tongue
belt buckle
spring
lock
belt
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
EP94118116A
Other languages
German (de)
English (en)
Other versions
EP0662288B1 (fr
Inventor
Wolfgang Mazoch
Lutz Dipl.-Ing. Richter
Norbert Schröder
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.)
Locktec - Kinder-Sicherheits-Systeme GmbH
Original Assignee
Locktec - Kinder-Sicherheits-Systeme 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 Locktec - Kinder-Sicherheits-Systeme GmbH filed Critical Locktec - Kinder-Sicherheits-Systeme GmbH
Publication of EP0662288A1 publication Critical patent/EP0662288A1/fr
Application granted granted Critical
Publication of EP0662288B1 publication Critical patent/EP0662288B1/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
    • A44B11/2546—Details
    • A44B11/2549—Fastening of other buckle elements to the main buckle
    • 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
    • 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
    • A44B11/2561—Tongue elements

Definitions

  • the invention relates to a belt buckle according to the preamble of claim 1.
  • a belt buckle according to the preamble of claim 1 is known.
  • This belt buckle is designed and designed in a complex manner, in particular the lock plate, referred to there as the receiving part, consists of two plates. This makes the construction and in particular the assembly relatively complicated.
  • the invention is based on the object of creating a belt buckle according to the preamble of claim 1 which is simple in construction and easy to assemble and yet ensures a function which meets all requirements.
  • the buckle should also be designed with a two-part tongue as a so-called 5-point version.
  • the lock plate which forms the entire load-bearing element of the lock. All forces that use the lock are absorbed by this one lock plate and introduced directly into the belt.
  • the lock can be manufactured inexpensively and easily assembled. At the same time, the space requirement is reduced and the design options are improved, since flat training and a modern design are possible.
  • the guides for the tongue are formed on the lock plate and the sliding plate is attached to it, which receives the locks.
  • These locks are in two parts, with the two parts, the lock plate and the lock bed, made of different materials, so a metallic one To prevent friction.
  • the actuation forces, ie the insertion forces or opening forces, whether they cause a load or not, can be varied and precisely defined depending on the application. Avoiding metallic friction is also a protection against corrosion since the surface wears not taking place.
  • the barrier beds act as a damping element due to their shape and material in the event of a load (for example, in the event of a sudden load or an accident).
  • the locks from the lock plate and lock bed are simple in design and easy to assemble, so that incorrect assembly is eliminated. In particular, the fact that the pin is part of the barrier bed and made of plastic, a significant simplification and thus cheaper.
  • the belt buckle according to the invention is particularly advantageous when the tongue is formed in two parts. The requirement that a closure is only possible when both tongues have reached their inserted end position is met safely and easily.
  • the buckle is designed as preferably as defined in claim 7, then a safe, simple means is provided to quickly and easily connect the two tongue parts together before insertion, and to ensure that this connection or latching is maintained remains until the two tongue parts are inserted and their final locking position achieved.
  • the locking means pin and bore
  • the tongue parts once assembled before closing can easily be held in this position until they are finally inserted. Wrong assembly is not possible.
  • the two tongues separate easily in the event of security, ie the latching means and the guide surfaces do not hinder this. The effort to assemble is low.
  • the metal parts provided with the belt slots are covered and protected, also from solar radiation, that they cannot heat up.
  • the so-called "rotation" of the buckle is also counteracted. This is an effect in which the tongue parts and lock plate twist in such a way that the tongue parts point towards the stomach of the person wearing the seat belt. Due to the offset of the belt run, there is a righting moment when the seat belts are tightened, which counteracts the rotating movement.
  • the embodiment according to claim 9 represents a simple possibility of producing these parts by injection molding, i.e. the peg is also produced when the sheathing is overmolded. At the same time, it creates a secure connection between the tongue part made of metal and the casing made of plastic.
  • the belt buckle shown in the drawing represents a so-called 5-point version.
  • the belt buckle consists of a lower housing part 1 made of plastic, in which the mechanism is housed, and a metallic tongue 2, which consists of two parts (tongue parts 2a and 2b) this embodiment is formed.
  • the tongue parts 2a and 2b are partially provided with a casing 10 made of plastic.
  • the end of the tongue parts (2a and 2b) that is inserted is arrow-shaped and provided with laterally open incisions 25 in such a way that an easy insertion is possible.
  • the tongue 2 is divided in the middle, so that the two tongue parts arise and each form one half of the arrow.
  • the belt slots 11 are arranged at an angle (for example 45 °) to one another.
  • the metallic tongue parts 2a and 2b are each provided with a casing 10 made of plastic, in such a way that when the tongue part 2b is joined together with the tongue part 2a, these two parts lie one above the other and are guided through the surfaces 26 and 27.
  • a bore 12 is provided in the casing of the tongue part 2a and a pin 30 is provided on the tongue part 2b, so that a positive locking with simultaneous guidance in the plane perpendicular to it is achieved.
  • the casing 10 covers the belt slots so that the seat belt is not visible from the outside.
  • the load-bearing element is the lock plate 3. This is designed such that a slot 14 for receiving the seat belt is punched out in its part protruding from the upper housing part 1. Furthermore, the lock plate at 15 is designed so that it directly represents the upper and the lateral guide for the tongue parts 2a and 2b to be inserted. The recesses 16 provided in the lock plate 3 and opposite the slot 14 serve to receive a sliding plate 4.
  • the barrier bed 5b is designed as a channel, made of plastic and provided with an upwardly projecting pin 18 which projects through the corresponding recess 16 in the lock plate 3.
  • the barrier beds each have a flat support surface 19 towards the center, which serves as a guide or support for the tongue parts 2a and 2b.
  • the two barrier plates 5a are smooth plates made of hardened steel with a hole through which the pin 18 of the associated barrier bed 5b protrudes and fix the barrier plates 5a in the desired position.
  • the sliding plate 4 In the direction of insertion of the tongue 2, the sliding plate 4 is broken so that the tongue 2 can be inserted into the sliding plate. On the opposite side, the sliding plate 4 is also broken through at 20, so that the tongue 2 or the tongue parts 2a, 2b can protrude through the sliding plate and thus get contact with the spring 6, which serves as an ejection spring in this area.
  • the spring 6 in the lower housing part 1. This is designed as a curved leaf spring, so that on the one hand it presses the two locking plates 5 towards the center and on the other hand simultaneously loads the tongue parts 2a, 2b against the direction of insertion and with one serving to eject them Preload provides. Furthermore, the spring 6 is bent in the middle so that an individually inserted tongue part is immediately ejected again, and locking of tongue parts can only take place if both tongue parts are inserted together in the correct position at the same time.
  • the sliding button 7 is located above the locking plate. This is guided laterally through the upper housing part 1 and slides directly on the locking plate 3. On the underside 7 sliding surfaces 21 are provided in the sliding button, which are similar to an inclined plane. These backdrop surfaces or slots 21 cooperate with the pins 18 of the barrier beds 5. The slide button is guided so that it must completely immerse with its actuating surface 22 in the upper housing part 1 during actuation in order to carry out the unlocking. On the the operating area on the opposite side, a resilient plastic element 23 is molded onto the sliding button. With this design, the opening or actuation forces can be adapted according to the intended use of the user. If, instead of the slotted slots 21 shown, only slotted surfaces are used, they only become effective if the belt buckle is to be opened by pressing the sliding button. When closing, there are no counter surfaces so that the slide button does not have to be moved.
  • the special design of the sheathing 10 made of plastic for the two tongue parts 2a and 2b ensures that the seat belts emerge on an outwardly offset plane in relation to the plane of the slots 11 and thus generate a moment under load that causes the lock to rotate counteracts.
  • the two tongue parts 2a and 2b are first joined together to close, pins 13 and bore 12 locking together and surfaces 26 and 27 coming to lie on one another .
  • the two tongue parts are fixed in the correct position with respect to one another and can easily be inserted together in the correct position.
  • the locks 5 are pushed apart laterally against the force of the spring 6.
  • the spring 6 presses against the tips of the tongue parts so that a pretension is generated in the direction of the ejection.
  • the opening process is carried out by pressing the sliding button 7. This is carried out in such a way that actuation is only required in the axial direction of the tongue parts 2.
  • the two lock plates 5a are pressed apart via the link surfaces 21 on the underside, via the pins 18 attached to the lock beds 5b.
  • these tongue parts are actively ejected by the prestressed spring 6.
EP94118116A 1993-12-23 1994-11-17 Boucle de ceinture pour au moins deux ceintures de sécurité Expired - Lifetime EP0662288B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4344023 1993-12-23
DE4344023A DE4344023C2 (de) 1993-12-23 1993-12-23 Verschluß für Sicherheitsgurte

Publications (2)

Publication Number Publication Date
EP0662288A1 true EP0662288A1 (fr) 1995-07-12
EP0662288B1 EP0662288B1 (fr) 1998-05-13

Family

ID=6505889

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94118116A Expired - Lifetime EP0662288B1 (fr) 1993-12-23 1994-11-17 Boucle de ceinture pour au moins deux ceintures de sécurité

Country Status (3)

Country Link
EP (1) EP0662288B1 (fr)
DE (2) DE4344023C2 (fr)
ES (1) ES2115848T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1295541A1 (fr) * 2001-09-21 2003-03-26 BELT & BUCKLE S.r.l. Boucle de ceinture de sécurité à trois sangles pour sièges de sécurité pour enfants transportés dans des véhicules automobiles et semblables
US7252342B2 (en) 2004-04-13 2007-08-07 Graco Children's Products Inc. Child restraint assembly for child vehicle seat

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0302823D0 (sv) 2003-10-24 2003-10-24 Kendrion Holmbergs Ab Seat Belt Arrangements for Child Safety Seats
ES2320506B1 (es) * 2006-05-12 2010-03-01 I.T.W. España, S.A. Anclaje de seguridad para sujeciones.

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1528750A (en) * 1976-08-18 1978-10-18 Britax Ltd Safety belt buckle
FR2386278A1 (fr) * 1977-04-04 1978-11-03 Nsk Warner Kk Boucle pour ceinture de securite
WO1980002227A1 (fr) * 1979-04-23 1980-10-30 Autoliv Ab Fermoir pour ceinture de securite de vehicule
FR2482840A1 (fr) * 1980-05-24 1981-11-27 Klippan Nv Boucle de verrouillage pour systeme de ceinture de securite de vehicule
DE8706467U1 (fr) * 1987-05-06 1987-07-02 Van Riesen & Co, 2080 Pinneberg, De
EP0404730A1 (fr) * 1989-06-22 1990-12-27 INDIANA MILLS & MANUFACTURING, INC. Boucle de ceinture munie de deux languettes d'accrochage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2403157C3 (de) * 1974-01-23 1981-07-02 Kolb Gmbh & Co, 8065 Erdweg Verschlußschnalle für einen Sicherheitsgurt
SE7714212L (sv) * 1976-12-15 1978-06-16 Ferodo Sa Spenne for sekerhetsbelte
JPS5673303U (fr) * 1979-10-31 1981-06-16
DE3241352A1 (de) * 1982-11-09 1984-05-10 Klüber Lubrication München KG, 8000 München Verbessertes sicherheitsgurtschloss
DE59202428D1 (de) * 1991-04-03 1995-07-13 Autoliv Dev Schocksicherer Sicherheitsgurtverschluss.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1528750A (en) * 1976-08-18 1978-10-18 Britax Ltd Safety belt buckle
FR2386278A1 (fr) * 1977-04-04 1978-11-03 Nsk Warner Kk Boucle pour ceinture de securite
WO1980002227A1 (fr) * 1979-04-23 1980-10-30 Autoliv Ab Fermoir pour ceinture de securite de vehicule
FR2482840A1 (fr) * 1980-05-24 1981-11-27 Klippan Nv Boucle de verrouillage pour systeme de ceinture de securite de vehicule
DE8706467U1 (fr) * 1987-05-06 1987-07-02 Van Riesen & Co, 2080 Pinneberg, De
EP0404730A1 (fr) * 1989-06-22 1990-12-27 INDIANA MILLS & MANUFACTURING, INC. Boucle de ceinture munie de deux languettes d'accrochage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1295541A1 (fr) * 2001-09-21 2003-03-26 BELT & BUCKLE S.r.l. Boucle de ceinture de sécurité à trois sangles pour sièges de sécurité pour enfants transportés dans des véhicules automobiles et semblables
US6694577B2 (en) 2001-09-21 2004-02-24 Belt & Buckle S.R.L. Buckle for safety belt with three branches, in particular for safety seats for children carried in motor vehicles and the like
US7252342B2 (en) 2004-04-13 2007-08-07 Graco Children's Products Inc. Child restraint assembly for child vehicle seat
US7992269B2 (en) 2004-04-13 2011-08-09 Graco Children's Products Inc. Child restraint assembly for child vehicle seat

Also Published As

Publication number Publication date
DE59405954D1 (de) 1998-06-18
ES2115848T3 (es) 1998-07-01
DE4344023A1 (de) 1995-06-29
EP0662288B1 (fr) 1998-05-13
DE4344023C2 (de) 1995-11-09

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