Bumper for automotive vehicles

Details Bumper for automotive vehicles Bumper for automotive vehicles

1983-06-06

1985-02-12

Song, Robert R.

Vehicle fenders

Buffer or bumper type

Bumper extends along side of vehicle

293155, B60R 1904

Patent

active

044986963

ABSTRACT:
The lateral end sections of a bumper each carry a sliding member with a U-shaped cross-sectional profile. The two legs of each are surrounded in fork-like fashion by the legs of a retaining member attached to the vehicle body also having a U-shaped cross-sectional profile. The legs of the sliding member each are provided with an intermediate layer of a rubber-elastic material. On the inside of the legs of the retaining member, inclined surfaces are provided which are inclined in mirror-image symmetry to a plane of symmetry of the U-shaped cross-sectional profile of the retaining member and which extend toward the base. These inclined surfaces respectively include a curvature. A second curvature adjoins this first-mentioned curvature.
Upon the introduction of an impact force to the end sections of the bumper, which force is directed toward the vehicle body and generally in the transverse direction of the vehicle, the intermediate layers slide along the inclined surfaces and are continuously compressed to an ever increasing extent. Thus, the impact energy introduced to the end sections is absorbed up to a certain magnitude without damage to the end sections and their mountings.

REFERENCES:
patent: 3861728 (1975-01-01), Haberle et al.
patent: 4251096 (1981-02-01), Stock

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