Shock absorber
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United States of America Patent
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-
Jun 21, 2005
Grant Date -
Aug 12, 2004
app pub date -
Jan 15, 2004
filing date -
Feb 6, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A shock absorber capable of preventing the collapse or deformation of a vehicle body member when a local load applied to a bumper, without being influenced by the arrangement and construction of the vehicle body member. The shock absorber comprises a multi-diameter stepped tube having different diameter tube portions integrally formed by partially reducing or partially enlarging a straight tube that can be plastically deformed through a stepped portion connecting those tube portions under installation of which a smaller-diameter tube portion connecting to the bumper and of which a larger-diameter tube portion connecting to the side member, a mounting part having a quadrilateral shape with a diagonal length of which is longer than the diameter of the larger-diameter tube portion and positioned at a front end of the side member, and load transmission members fixed between an outer side surface of the larger-diameter tube portion and the mounting part.
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