Vehicle fenders – Buffer or bumper type – Shiftable between operative and inoperative positions other...
Reexamination Certificate
1997-06-18
2001-11-06
Hoge, Gary C. (Department: 3612)
Vehicle fenders
Buffer or bumper type
Shiftable between operative and inoperative positions other...
Reexamination Certificate
active
06312027
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a shock-absorbing system for an automotive vehicle, and more particularly to a auto-actuated shock-absorbing bumper system for absorbing external impacts due to a collision of the vehicle with another vehicle of object.
Conventional bumpers of vehicle are securely connected to the end of the vehicle body, under such circumstances, if the vehicle collides with another vehicle or other objects, an impact energy directly is transferred to the vehicle, resulting in severe damage of the vehicle and passengers. Applicant's U.S. Pat. No. 5,096,242 offers a brake-actuated extending bumper for absorbing shock. The prevent invention provides further advanced shock-absorbing system to protect the vehicle and passengers.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a shock-absorbing bumper system for vehicles, in which the system operates actuation of a speedmeter of the vehicle. It is another object of the present invention to provide a shock-absorbing bumper system for vehicles, in which besides an accumulator is provided to absorb shock due to collision, and can supplied the hydraulic pressure to the power steering system and the power brake system, when the engine pump is not running.
It is still another object of the present invention to provide a shock-absorbing bumper system in which microswitches provided electric source to opening the relief valves and closing the cut-off valve, releasing excessive pressure and preventing pressure too high, causing the engine pump and two systems will be damaged, when a collision occurs.
REFERENCES:
patent: 3346292 (1967-10-01), Lundman
patent: 3355208 (1967-11-01), Brock
patent: 3934912 (1976-01-01), Ogihara et al.
patent: 3947061 (1976-03-01), Ellis
patent: 4474257 (1984-10-01), Lee
patent: 4518183 (1985-05-01), Lee
patent: 4932697 (1990-06-01), Hun
patent: 5096242 (1992-03-01), Chin-Hun
A & J
Hoge Gary C.
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