Buckles – buttons – clasps – etc. – Separable-fastener or required component thereof – Including member having distinct formations and mating...
Patent
1989-05-04
1990-02-13
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Separable-fastener or required component thereof
Including member having distinct formations and mating...
24637, A44B 1125
Patent
active
048994243
ABSTRACT:
A seat belt buckle 10, having a pivoted locking member 26 adapted to releasably engage with a cross-bar 34 of an apertured latch plate 24 insertable within a latch passage 22 in the seat belt buckle, includes a rigid frame 12 having an apertured rectangular base plate 14, upstanding side walls 16 extending from longitudinal edges of the base plate 14, and a fixed bar 18 extending across the width of the base plate 14, parallel to, and spaced apart from, the base plate, the fixed bar 18 being secured at each end thereof to a respective side wall 16. The locking member 26 is pivotally supported by the frame side walls 16 so as to pivot about an axis substantially parallel to, and spaced apart from, the fixed bar 18 of the frame 12, between a latched position, in which the locking member 26 retains the latch plate 24 within the latch passage 22 in the buckle, and an unlatched position, in which the locking member 26 is held clear of the latch passage 22, the locking member 26 including a depending lock bar 32 extending therefrom, which lock bar 32 extends across the latch passage 22 and into an aperture 60 of the apertured base plate 14 of the frame 12 when the locking member 26 is in the latched position, there being a predetermined clearance existing between a forward edge 86 of the lock bar 32 and a forward edge 80 of the aperture 60 when the locking member 26 is in the latched position. The locking member 26 is pivoted in the frame side walls 16 by elastically-deformable integral wing portions 28, which wing portions will elastically deform when the buckle in a latched condition is subjected to applied loads beyond a predetermined limit, so as to allow the forward edge 86 of the lock bar 32 to make contact with the forward edge 80 of the aperture 60 in the apertured base plate 14. A shaped blocking member 46 is slidably mounted upon the locking member 26 for longitudinal movement relative to the locking member between a first position, where the locking member is in the latched position and the blocking member 46 is interposed between the fixed bar 18 and the locking member 26 to block any pivotal movement of the locking member towards the unlatched position, and a second position, where the locking member 26 is in the unlatched position and the blocking member 46 engages the fixed bar 18 to retain the locking member 26 in the unlatched position.
REFERENCES:
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patent: 4388746 (1983-06-01), Krautz et al.
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patent: 4575907 (1986-03-01), Takada
patent: 4677716 (1987-07-01), Monsigny
Barnes Brian A.
Clarke Ron
Martin Brian M.
McCandless John J. M.
General Motors Corporation
Leahy Charles E.
Sakran Victor N.
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