Land vehicles – Wheeled – Attachment
Patent
1988-12-22
1990-04-10
Bertsch, Richard A.
Land vehicles
Wheeled
Attachment
24628, 280808, 297483, B60R 2218
Patent
active
049154133
ABSTRACT:
An interlock mechanism for a three-point safety restraint system comprising a tongue plate having a pair of intersecting openings of dissimilar diameters, the point of intersection defining a narrow passage, a connector plate assembly adapted to be connected to the tongue plate having a two tier shoulder rivet including an enlarged head portion having a diameter smaller than the larger opening and larger than the smaller opening. The rivet further including a circular boss formed on the underside of the head portion having a diameter slightly smaller than the smaller opening and larger than the diameter of the passage. A spring having one end in engagement with the connector plate and having its other end in engagement with a flat faced spring retainer, the spring and spring retainer urging the tongue plate and connector plate in compressive engagement when such plates are in a locked position with the rivet centered about the smaller of the two openings.
REFERENCES:
patent: 2256068 (1941-09-01), Voster
patent: 2640246 (1953-06-01), Shomber
patent: 3600768 (1971-08-01), Romanzi, Jr. et al.
patent: 3626556 (1971-12-01), Struck
patent: 3885811 (1975-05-01), Takada
patent: 4129321 (1978-12-01), Garvey
patent: 4702491 (1987-10-01), Meyer
Allied-Signal Inc.
Bertsch Richard A.
LandOfFree
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