Vehicle fenders – Buffer or bumper type – Having fluid means within impact means to absorb energy
Patent
1989-02-14
1990-05-29
Butler, Douglas C.
Vehicle fenders
Buffer or bumper type
Having fluid means within impact means to absorb energy
188376, 267139, 267116, 293120, 293133, 293142, B60R 1918, B60R 1903, B60R 1934, F16F 712
Patent
active
049290088
ABSTRACT:
An impact absorber is disclosed herein having a single or a pair of box-beam inflatable members arranged in guided sliding relationship. Elongated slots and shear bolts cooperate to releasably couple the inflatable members together so as to absorb shock prior to shearing. A resilient inflatable block is carried on the forward terminating end of one beam member while a resilient pad is carried on the terminating end of the other beam member in alignment to interfere with the sliding movement of the first member. The various impact-absorbing elements are arranged in a series for sequential actuation upon application of an impact. The inflatable block absorbs shock first, followed by the shear bolts and finally the resilient pad.
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