| 摘要 |
Jack with an upright (1) that rests on a base (8 or 19). An arm (3) that pivots around a horizontal axis (r) on the upright. The arm has a load accommodation (4) on its free end and engaging the bottom of the vehicle. The arm can be pivoted to various levels directly or by way of levers and transmissions attached to it and to the upright by a manually controlled mechanism, specifically a threaded shaft (5). A brace (15) is attached to the upright and rests flat against the ground or floor (11) at the end of the base facing away from the vehicle while the jack is in the initial-introduction position. The brace is a tab rigidly attached to the upright (1).
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