| 摘要 |
2141549 9403773 PCTABS00030 A device for determining the slack in articulated joints and for measuring the steering angles of motor vehicles, to be positioned in a recess (4) provided in each runway (6) of a vehicle lift, characterised by comprising: a base plate (2) to rest on the bottom of said recess (4), a pair of first actuators (10) arranged parallel to each other and fixed to said base plate along two of its opposing sides, an intermediate plate (12) fixed to the rods of said first actuators (10) and having two opposing edges slidable within guides (14) formed in the bodies thereof, a pair of second actuators (16) arranged perpendicular to the first actuators and fixed to said intermediate plate (12) along two opposing sides, an upper plate (18) fixed to the rods of said second actuators (16) and having two opposing edges slidable within guides (20) formed in the bodies thereof, a platen (26, 34) resting on said upper plate (18) via ball supports, means (32) for locking said platen (26, 34) to said upper plate (18), and means (30) for maintaining the position of said plate (26, 34) elastically centered with respect to said upper plate (18).
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