| 摘要 |
<p>The invention relates to a scissor jack device for four wheel vehicles that relates generally in lifting vehicle during under chassis repair. Most of the common problem in repairing is that how to lift it. Without hassle and will make you safe in repairing and would lesser the time in lifting. The scissor jack device (10) aims to extent the safety and convenient of the car owner during lifting up the car. A scissor jack device (10) includes a power transfer assembly (16) that is composes by the motor (15), gears (19) and chain (20) which is characterized the invention it transfers power fro the big gear (19) that was attached to the motor (15) to the small gear (19) that was attached to the drive shaft (17) of the scissor jack device (10). The scissor jack device (10) was electrically driven and controlled by a switch (21), which controlled the jack up during the repair and that this process was reversed after the repair. The scissor jack device (10) has a flat form (11) attached to the foot (12) oof the scissor jack device (10) to support the load of the vehicle. A cross beam (13) that were also attached to the top bracket (14) of the sicssor jack device (10) for the safe position of the object. The scissor jack device (10) has also a support stand (18) in order to support the scissor jack device (10) on its highest position with loads.</p> |
