| 摘要 |
PROBLEM TO BE SOLVED: To provide an inexpensive operation lever for tilt lock capable of reducing operator's labor when adjusting tilt and being attached even in a narrow place. SOLUTION: This operation lever 22 is provided with a main body part 25 inserted into a support shaft 19 and a movable part 26 connected with the main body part 25 so as to slide between an elongation position and a shortening position. A guide channel 32 is formed from a central part of the main body part 25 to a central lower part. Lock holes 29 and 30 are formed on a channel bottom of a pair of end parts of the guide channel 32. A guide part 39 is formed in the movable part 26, and a lock member 27 guided by the guide part 39 is provided. The movable part 26 is locked in the main body part 25 by engaging an engaging part 28 attached to one end 46 of the lock member 27 with the lock hole 29 or 30. COPYRIGHT: (C)2004,JPO |
