Shock absorber for bumpers

摘要

A shock absorber for bumpers comprising an inner cylinder having means at the front end for fitting the shock absorber to a bumper and the base part being slidably engaged in an outer cylinder having means for fitting it to a car frame; a high pressure gas enclosed between a free piston fitted in the inner cylinder and the front end of the inner cylinder; oil contained between the free piston and the botton surface of the outer cylinder so that no air gap produced, a tubular column fitted at its base end to the botton surface of the outer cylinder and provided with a plurality of side-by-side damping force generating holes, the front end being flexible engaged to the base end of the inner cylinder, and a plate-shaped valve slidably fitted on the tubular column is, opposed to the base end surface of the inner cylinder.