Energy absorber, especially for motor vehicles

Details Energy absorber, especially for motor vehicles Energy absorber, especially for motor vehicles

1978-06-13

1980-01-01

Song, Robert R.

Brakes

With condition indicator

Electrical

293133, F16D 700, B60R 1906

Patent

active

041811984

ABSTRACT:
An energy absorber, especially for motor vehicles for e.g. supporting the vehicle bumper, comprises at least two telescopically displaceable tubular members having a common center axis. At least a portion of the length of the outer member has a smaller inner diameter than the outer diameter of at least a portion of the inner member. The two tubular members are designed so that telescopic displacement of the members causes deformation by means of shrinkage of the inner member, while two successive closely spaced bending zones, facing each other, are formed in the material in the inner member. The outer member has an end portion whose inner diameter is equal to the outer diameter of the inner member. The length of said end portion is at least equal to the inner diameter of said outer member.

REFERENCES:
patent: 3482653 (1969-12-01), Maki
patent: 3504568 (1970-04-01), Nakamura
patent: 3899047 (1975-08-01), Maeda
patent: 3915486 (1975-10-01), Maeda

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