| 摘要 |
A rotating or swiveling plate is mounted on bearings above a stationary bed plate so that it may assume an acute angle with the bed plate to provide a ramp or incline for the vehicle wheel to ride upon. When the vehicle rises to a predetermined height on the ramp, gravity causes the rotating plate to assume a horizontal position where it is held by a suitable automatic positive stop, the wheel then being elevated and ready for the next step in removal.
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