Energy absorbing unit

Details Energy absorbing unit Energy absorbing unit

1976-10-28

1977-11-22

Cherry, Johnny D.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

293 88, 293 89, B60R 1908, F16F 712

Patent

active

040592545

ABSTRACT:
An energy absorber comprises an elastomeric member in a substantially trapezoidal configuration, a piston connected to the apex of the trapezoid, and piston retaining and mounting supports. The elastomer absorbs energy by virtue of its inclined buckling columns forming the sides of the trapezoid while the piston is forced to move in a substantially horizontal plane by the piston retaining and mounting supports. The energy absorber, when applied to vehicle applications, provides a bumper mount that accepts frontal and lateral force impact and lends itself to bumper jacking and towing forces.

REFERENCES:
patent: 1702675 (1929-02-01), Ventura
patent: 3146013 (1964-08-01), Kappen
patent: 3432200 (1969-03-01), Barton
patent: 3819167 (1974-06-01), Nakamura et al.
patent: 3854765 (1974-12-01), Church et al.
patent: 3857596 (1974-12-01), Nakamura et al.

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