| 摘要 |
PCT No. PCT/GB90/01949 Sec. 371 Date Aug. 12, 1991 Sec. 102(e) Date Aug. 12, 1991 PCT Filed Dec. 13, 1990 PCT Pub. No. WO91/08941 PCT Pub. Date Jun. 27, 1991.A suspended-track tracklaying vehicle 8 (FIG. 1) comprises an endless ground-engaging track 12, a drive sprocket 20 which remains positionally fixed relative to the vehicle body, a rear idler 14 and track-engaging ground rollers 16 which move with the swing link/air-spring suspension 28,30, and a compensator idler 18 mounted for substantially linear movement under the action of one or more spring-loaded compression units 38 acting between the compensator idler and the vehicle body.
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