| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a multistage transmission that eliminates the need for an axial space dedicated to biasing means for swingably biasing a swing claw member and that can use the swing claw members of the same kind in place of swing claw members of two kinds which establish engagement between a gear and a gear shaft and release the engagement in both relative rotation directions thereof. <P>SOLUTION: The multistage transmission includes the swing claw member R having a pin-receiving portion Rq adapted to receive a pin member 23 and an engaging claw portion Rp on respective sides opposite to each other with respect to a swing center, and swung by the advancement and retraction of the pin member 23 to allow the engaging claw portion Rp to establish engagement and release the engagement; and biasing means 22 for biasing the swing claw member R in a swing direction of bringing the engaging claw portion Rp into engagement. The biasing means 22 is a compression spring interposed between the inner surface of the engaging claw portion Rp of the swing claw member R and the surface of the gear shaft 12 opposed thereto. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
