| 摘要 |
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.
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