Impact absorber device

Details Impact absorber device Impact absorber device

2011-06-28

2011-06-28

Williams, Thomas J (Department: 3657)

Brakes

Plastic deformation or breakage of retarder element

Frangible element

C188S377000

Reexamination Certificate

active

07967118

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.

REFERENCES:
patent: 49-001975 (1974-01-01), None
patent: 2002-39245 (2002-02-01), None
patent: 2004-100557 (2004-04-01), None
patent: 2004-116564 (2004-04-01), None
patent: 445776 (1974-12-01), None
patent: 1285231 (1987-01-01), None
patent: 1634862 (1991-03-01), None

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