Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 28, 2011
Patent Application Number
11661036
Date Filed
August 30, 2005
Patent Primary Examiner
Patent abstract
An impact absorber device includes at least one first portion having a short tubular shape, and at least one second portion having a short tubular shape concentrically disposed in a stacked relationship with the first portion. The first portion and the second portion engage with each other at an engagement portion which is inclined with respect to a concentric axis of the first portion and the second portion. With this arrangement, impact energy is absorbed in the case of collision accidents of vehicles such as an automobile and trains, and the dropping accidents of lifts such as elevators.
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