| 摘要 |
A device is disclosed that overrides the manual controls for filling and emptying an air suspension spring, so that the spring is not over-filled or under-filled. The device also includes a mechanism for limiting the rise of the seat suspension when the driver exits the seat. The invention has a latch bar that slides through two pieces of lubricating plastic. A ramped section of the latch bar contacts one of two switches that prevents the adjustment of a seat suspension below a minimum safe ride position or prevents adjustment above a maximum safe position. The latch bar also includes notches that are engageable with a latch pawl that is operated by a solenoid. When an operator leaves the seat, the solenoid is energized and drives the latch pawl into a notch in the latch bar. An electronic switch also enables the deenergizing of the solenoid, yet the latch pawl locks the latch bar so that the air spring does not cause a substantial rise in the seat suspension.
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