Shock absorbing buffer

Claim 1

In an automobile bumper system wherein an elongated bumper (31) is stretched across one end of an automobile, the front of said bumper being designed to receive shock when said automobile end collides with an object, the improvement therein comprising: a. a tubular hollow member (32) designed to store a fluid therein divided into a plurality of chambers defined by said bumper (31); b. a reinforcement metal outside plate (37) disposed over said bumper front side and, a plurality of reinforcement members extending across said bumper front side and embedded therein; c. a resistance tube (35) including fluid flow impeding means therein connected to each of said chambers, including first and second elastic tubular parts (41,42) in said resistance tube with a plurality of slender elastic grooves (44) defining a constricted part (43) between said first and second parts, said constricted part when free of fluid pressure being normally in a blocked state, but expanding to permit fluid passage when subject to fluid pressure. d. an absorbing hollow resilient contractible member (34) of great contractible strength coupled to said resistance tubes (35), whereby any shock applied to any part of said bumper is distributed over the entire bumper by said reinforce-members, and fluid in said chambers flows through said resistance tubes (35) to said contractible member, expanding said member to absorb said shock, said fluid returning slowly to its former position upon the bumper being free of said shock.