| 摘要 |
A multi-purpose structure for vehicles of the nature of house trailers makes use of a pair of telescoping beams which serve in part as a cross-member or beam beneath the floor of the trailer and also in part as guideways for trunnions which are attached to upper ends of the ground-engaging legs, the legs being those which serve as stabilizers when the vehicle is parked. The same telescoping beams additionally serve as housings for jack screw drives which are used to move the stabilizing legs between ground-engaging and stowed positions.
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