(under subclass 136) Spring device in which the body is one of a pair of bodies (e.g., vehicle and dock bodies) likely to undergo collisive impact and the spring device is positionable to minimize the effect of said impact.
SEE OR SEARCH THIS CLASS, SUBCLASS:
116, for a bumper using a fluid spring device.
SEE OR SEARCH CLASS
293, Vehicle Fenders,
135+, for the combination of a bumper and a spring support therefor.