| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To surely prevent infiltration of rainwater or the like into a gear case. <P>SOLUTION: A seal member 41 is attached to a cover 16 for blocking a storage part of the gear case. The seal member 41 is configured by using an elastomer to integrally form a plate-like part 41a formed in disc shape that covers the inner side face of the cover 16; an inside seal part 41b arranged at the inner peripheral edge of a through hole 16a to come in sliding contact with the outer peripheral surface of an output member; an outside seal part 41c arranged at the outer peripheral part of the cover 16 to abut on the opening edge of the storage part; and an anchor part 41d locked to the front side face of the cover 16 through a mounting hole 16d provided in the cover 16. A boundary portion between the seal member 41 and the cover 16 is connected only to the outside of the gear case without being connected to the inside of the gear case. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
