Sprung vehicle seat

Details Sprung vehicle seat Sprung vehicle seat

1986-04-24

1987-08-04

Foss, J. Franklin

Supports

With condition responsive control means

248588, 248631, F16M 1300

Patent

active

046841008

ABSTRACT:
A sprung vehicle seat comprises a fluid spring between a base frame and a seat carrier frame displaceable relative to the base frame in respect of height, together with a control means for the fluid spring. The control means includes a switching means and an actuator acting thereon, with movement in respect of height of the seat carrier frame relative to the base frame being converted into a relatively large rotary movement as between the switching means and the actuator means. The structure for converting the heightwise movement into the rotary movement includes a belt winding mechanism wherein extension and retraction of the belt in response to heightwise movement of the seat carrier frame produces the relative rotary movement, or a toothed element meshing with a gear similarly operable to provide the relative rotary movement of substantial magnitude.

REFERENCES:
patent: 2202158 (1940-05-01), Lidseen
patent: 3341165 (1967-09-01), Taylor
patent: 3632077 (1972-01-01), Hall
patent: 3638897 (1972-02-01), Harder
patent: 3951373 (1976-04-01), Swenson
patent: 4213594 (1980-07-01), Pietsch
patent: 4379539 (1983-04-01), Rion
patent: 4556185 (1985-12-01), Takagi

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