| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a caster stopper performing a sure operation, with good operability in a simple structure. <P>SOLUTION: A stopper member lock means 51 includes a sliding type lock plate 52 which is slidably mounted on a lifting platform side, being freely movable between a first position protruding to a stopper arranging recess 5 and a second position which does not protrudes. While a stopper member 11 is present in the stopper arranging recess 5, when the sliding type lock plate 52 is at the first position, the sliding type lock plate 52 engages with the stopper member 11 so that the stopper member 11 is engaged into a stored state in the stopper arranging recess 5, meanwhile, when the sliding type lock plate 52 is at the second position, the stopper member 11 is not engaged. <P>COPYRIGHT: (C)2013,JPO&INPIT |
