| 摘要 |
PURPOSE: To provide a jack having a weight which is hardly increased and having a support part, in the jack having a support side leg with an installation leg part (a rolling leg part) and a support arm connected turnably to the support side leg about a horizontal axis. CONSTITUTION: A support arm 3 is provided with a support head 4 acting on a vehicular body at its free end, and the support arm 3 can be adjusted by mutually operated adjusting mechanism and a threaded spindle 5 connected directly to the support side leg 1 or movably connected through a lever and a hinge. A support part 15 connected to the support side leg 1, placed on a road surface 11 by an installation leg part 8 and on a side opposite to the vehicle in the installation position is constituted as a metallic thin plate tongue piece, and it is firmly connected to the support side leg 1.
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