Shock absorber

Details Shock absorber Shock absorber

2005-02-15

2005-02-15

Rodriguez, Pam (Department: 3683)

Brakes

Plastic deformation or breakage of retarder element

C267S139000, C296S187030, C293S133000

Reexamination Certificate

active

06854574

ABSTRACT:
A shock absorber as being of a bumper supporting member and a shock absorber as being of a side member, which retain the sinking motion of a smaller-diameter tube portion into a larger-diameter tube portion even if an impact is applied at a larger angle obliquely of an axial direction, thereby to achieve the absorption of the impact energy by a plastic deformation. A plastically deformable straight tube is partially reduced or partially enlarged to form a smaller-diameter tube portion and a larger-diameter tube portion, which join to each other through a step portion. The step portion is formed by joining a folded-back portion of the smaller-diameter tube portion and a folded-back portion of the larger-diameter tube portion, which have circular arc-shaped sections having arcuate angles more than 90 degrees.

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