Shock absorbing suspension

Details Shock absorbing suspension Shock absorbing suspension

1994-01-05

1995-01-17

Oberleitner, Robert J.

Spring devices

Torsion

267136, 521674, 248584, F16F 114

Patent

active

053820088

ABSTRACT:
A shock absorbing suspension comprises a pair of parallel, spaced mounting plates (12), pairs of counter-rotating D-frames (13). Pair of frames is slidably attached to the inner side of the mounting plate 12' by two grippers 14 of the mounting plate 12 by two grippers 19. Resistance mechanism (65 and 66) are mounted on each gripper for substantially resisting the rotation of each individual frame in one direction only, such that the suspension will substantially resist being compacted together, but can be freely extended apart. In one application, the bottom mounting plate is attached to the ground, while the top mounting plate is attached to and supports a building. When at rest, the resistance mechanisms will provide enough resistance to allow the suspension to support the building without being compacted. When the ground jolts upwardly in an earthquake, the suspension will be compacted to absorb the upward motion of the ground. But, when the ground jolts downwardly, the suspension will freely extend. As a result, the suspension will safely isolate the building from the violent ground movements.

REFERENCES:
patent: 3795392 (1974-03-01), Nemec
patent: 5233797 (1993-08-01), Uno et al.
patent: 5288060 (1994-02-01), Tyutinman

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