| 摘要 |
PCT No. PCT/DE88/00292 Sec. 371 Date Mar. 13, 1989 Sec. 102(e) Date Mar. 13, 1989 PCT Filed May 19, 1988 PCT Pub. No. WO88/09270 PCT Pub. Date Dec. 1, 1988.An air-sprung vehicle seat includes an air spring and a scissors linkage which are operative for adjusting the vertical height of the seat. The vehicle seat also includes a locking device for adjustably fixing the vertical height of the seat, the locking device including a fixing element which is articulated to the scissors linkage and a fixing device which is engageable with the fixing element for fixing the relative position thereof in the seat. The seat also includes a non-return valve which is responsive to actuation of the fixing device for controlling the admission of compressed air into and the escape of compressed air from the air spring.
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