Control for height of a seat

Details Control for height of a seat Control for height of a seat

1991-12-09

1993-01-05

Ramirez, Ramon O.

Supports

With condition responsive control means

248564, 248588, 248631, 296 651, 297347, F16M 1300

Patent

active

051763559

ABSTRACT:
The housing of an air valve, the valve controlling the height of a vehicle seat supported on a suspension having an air spring, is pivotally connected to one of the frames of the suspension supporting the seat. A manual control lever connected to the housing is operative to change the angle of inclination of the housing for selecting a desired height of the seat. A control arm of the valve is connected by a linkage to the other frame of the suspension. These connections to the air valve control the valve for selecting a desired height and for automatically restoring the height for different weights on the seat.

REFERENCES:
patent: 3999800 (1976-12-01), Penzotti
patent: 4213594 (1980-07-01), Pietsch et al.
patent: 4461444 (1984-07-01), Grassl et al.
patent: 4733847 (1988-03-01), Grassl
patent: 4941641 (1990-07-01), Granzow et al.
patent: 4946145 (1990-08-01), Kurabe
patent: 5058852 (1991-10-01), Meier et al.

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