Energy absorbing bumper fastener system

Details Energy absorbing bumper fastener system Energy absorbing bumper fastener system

1990-04-09

1991-04-09

Focarino, Margaret A.

Vehicle fenders

Buffer or bumper type

Composite bumper

293109, 293155, B60R 1924

Patent

active

050058878

ABSTRACT:
A bumper fastening system for a composite SRIM (structural reaction injected molded) member made up of a core member covered by a reinforced outer cover has a fastening cup connected to the reinforced outer cover by a layer of adhesive material. The fastening cup is a hollow rectangle with a flat end plate which is covered by a layer of adhesive for connection to the composite SRIM or to a metal bumper by spot welds. The hollow rectangle has a depth which will engage it with crush convolutions on frame rails of a vehicle frame. Mating holes in the hollow rectangle and the side rails receive mechanical fasteners for removably attaching the bumper assembly on the frame rails during installation at the automobile assembly plant and for replacement/repair of a damaged bumper.

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patent: 3493257 (1970-02-01), Fitzgerald et al.
patent: 3494607 (1970-02-01), Rusch
patent: 3608943 (1971-09-01), Gostomski
patent: 4070052 (1978-01-01), Ng
patent: 4116893 (1978-09-01), Flanagan
patent: 4339144 (1982-07-01), Nagasaka
patent: 4350378 (1982-09-01), Wakamatsu
patent: 4457547 (1984-07-01), Sekiyama et al.
patent: 4509782 (1985-04-01), Manning
patent: 4598001 (1986-07-01), Watanabe et al.
patent: 4830418 (1989-05-01), Lest
patent: 4929008 (1990-05-01), Esfandiary

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