| 摘要 |
PROBLEM TO BE SOLVED: To prevent excessive external force from being applied to an operator. SOLUTION: When a movable body 31 is pressed, the abutting surface 23a of an abutting part 23 abuts on the opposed surface 12a of an exterior part 12. When the movable body 31 is pushed in further, the abutting part 23 cannot be displaced, a connection part 21 is deformed, only the movable body 31 is displaced in a push-in direction, and the driving surface 22b of a driving part 22 abuts on an operation key 13. From the state, the movable body 31 can be displaced until the abutting rib 22a of the driving part 22 abuts on the abutting surface 25a of the abutting part 23, and the movable stroke S3 is limited when the abutting part 23 becomes in a state of abutting on both of the exterior part 12 and the abutting rib 22a. COPYRIGHT: (C)2011,JPO&INPIT
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