Seat suspension device

Details Seat suspension device Seat suspension device

1988-07-29

1989-12-05

Britts, Ramon S.

Supports

Resilient support

Including load sustaining bearing or guide

248608, 248575, 267154, B60N 102

Patent

active

048847771

ABSTRACT:
A seat suspension device including an elastic biasing mechanism for elastically biasing a seat frame away from a lower base frame, a locking mechanism for locking the seat frame to thereby place the seat suspension device in a locked state, and a biasing force adjustment mechanism for adjusting the biasing force of the elastic biasing mechanism. The locking mechanism is so arranged that it will bring to a locked state the seat suspension device when the biasing force of the elastic biasing mechanism is reduced to a lowest degree by operation of the biasing force adjustment mechanism. Accordingly, by merely operating the biasing force adjustment mechanism, both biasing force adjustment and locking/unlocking operation are effected.

REFERENCES:
patent: 3140851 (1964-07-01), Bilancia
patent: 3788586 (1974-01-01), McNally
patent: 3813073 (1974-05-01), Mohr et al.
patent: 4566667 (1986-01-01), Yanagisawa
patent: 4729539 (1988-03-01), Nagata

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