Patent ID: 6270130
Filing Date: 2001-08-07
Classification: B60R

Abstract:
A bumper for absorbing an impact of a collision, comprising:a bumper frame;a fluid bladder secured to said bumper frame, such that at least a portion of said fluid bladder extends exteriorly of said bumper frame;a fluid flow port extending from an interior of said fluid bladder to exteriorly of said fluid bladder and defining a fluid flow passage;a plug having a plug body, one of said fluid flow passage and said plug body having a plurality of grooves formed to circumferentially extending therein for receiving seal elements which sealingly engage the other of said fluid flow passage and said plug body in a frictional engagement therewith; andwherein a selected quantity of said plurality of seal elements are disposed in said selected quantity of said plurality of grooves for at least in part determining a predetermined magnitude of the impact for moving said plug body from a first position, sealing said fluid flow passage, to said second position, in which fluid may flow from within said fluid bladder and through said fluid flow passage.