| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an elevating and lowering device which is stably elevated and lowered for a long period of time without using gears, and a turn table using the elevating and lowering device. <P>SOLUTION: The elevating and lowering device 1 includes: a cam member 2 which is a cylindrical body 21 having a circular shape cross section, a part of the upper face of which forms cam faces 22 to 25, and which is freely turnable around the axis of the cylindrical body 21; and a driven member 3 including a body 31 arranged inside the cylindrical body 21 of the cam member 2, and followers 32 to 35 (34 and 35 are not visible in the perspective view) which radially extend from the body 31, and which come into contact with the cam faces 22 to 25. <P>COPYRIGHT: (C)2012,JPO&INPIT |
