Vehicle bumper assembly

Details Vehicle bumper assembly Vehicle bumper assembly

1975-08-07

1977-03-22

Tollberg, Stanley H.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

B60R 1902

Patent

active

040131394

ABSTRACT:
An improved motor Speed Actuated Vehicle Bumper wherein a cam and linkage arrangement combined with a spring is provided to restrain an inward movement of a bumper under collision conditions. The restraint increases as the speed of the vehicle on which it is installed so that its effectiveness is substantially constant over a range of vehicle speeds. The present improvement utilizes the speed responsive restraint, but in addition, it provides means for gradually extending the bumper in accordance with the speed of the vehicle. Thus, in addition to increasing the restraint with vehicle speed, the travel of the bumper is also increased with speed thereby dissipating the force of a collision over a greater travel of the bumper.

REFERENCES:
patent: 3355208 (1967-11-01), Brock
patent: 3596731 (1971-08-01), Fales
patent: 3703300 (1972-11-01), Gillund et al.
patent: 3789948 (1974-02-01), Hrebicek
patent: 3893726 (1975-07-01), Strohschein
patent: 3921751 (1975-11-01), Sakakibara et al.

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