| 摘要 |
Jack having an upright leg (1) and a supporting arm (2) which can be moved thereon by being pivoted about a horizontal axis (33) and can be adjusted by a threaded spindle (4), which can be operated by being rotated and engages at one end via a spindle nut (19) and at the other end via a spindle abutment (20) in an articulated manner on the upright leg (1) and on the supporting arm (2) which at its free end has a supporting part (6) which can be moved in a hinged manner parallel to the pivoting axis, is provided with an [lacuna] when jacking counter [lacuna] shaping (16) and is supported upwards in a spring-loaded manner on the supporting arm (2). So that the jack (1), even without a body stop, can be fitted without problem with its supporting part (6) on the point provided on the vehicle bottom, i.e. on a point which cannot be seen when the operator is in a normal operating posture, it is provided that the shaping (16) of the supporting part (6) have a bearing element (23) which due to the spring-loading of the supporting part (6) protrudes vertically over the supporting surface (21) of the jack when it is being adjusted. <IMAGE>
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