| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hand-operated lifter having a motor which is driven according to strain applied in a handle, while preventing a load cell from being strained to drive a front wheel when the handle is depressed for pressing down a lifted rear wheel. <P>SOLUTION: The hand-operated lifter includes a non-grounded state detecting means 10 detecting that the rear wheel 6 is in a non-grounded state or becomes the same state as the non-grounded state. The hand-operated lifter performs control so as to invalidate operation for driving a front wheel 4L by a handle 7 when the non-grounded state detecting means 10 operates. <P>COPYRIGHT: (C)2013,JPO&INPIT |
