Motor vehicles – Bodies – Footboards and pedal guards
Patent
1975-02-27
1977-04-19
Saifer, Robert W.
Motor vehicles
Bodies
Footboards and pedal guards
293 73, 293 89, B60R 1902
Patent
active
040182991
ABSTRACT:
A bumper structure for a vehicle or the like, having a relatively long extension and retraction travel whereby the bumper may be sufficiently extended when the vehicle is in motion to provide a relatively very large shock or impact absorption, the structure readily being capable of extension for example, of 20 inches or more, and capable of being designed to provide a progressive shock absorbing action of widely varying characteristics. The construction is such that relatively long extension and retraction may be achieved in a structure taking up relatively little if any greater longitudinal space than conventional bumper structures, which results are accomplished by the use of chain structures which are rigid in compression but which may be passed around cooperable sprockets whereby unextended portions of the chains may extend transversely to the longitudinal axis of the vehicle.
The present invention also provides a novel means for controlling the shock absorbing action of the structure as well as novel means which may be electrical or hydraulic, for extending and retracting the bumper structure when desired.
REFERENCES:
patent: 1123538 (1915-01-01), Imamura
patent: 1593866 (1926-07-01), Christinzio
patent: 2185936 (1940-01-01), Yamada
patent: 2977146 (1961-03-01), Edwards et al.
patent: 2984512 (1961-05-01), Shaginaw
patent: 3355208 (1967-11-01), Brock
patent: 3677595 (1972-07-01), Hamilton
patent: 3856326 (1974-12-01), Lindbert et al.
Nagin, Jr. Tony
Nagin, Sr. Tony
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