To provide a rotation regulation device capable of both improving an impact force reduction effect and improving durability.SOLUTION: A lock device comprises a rotation regulation mechanism 40 as a rotation regulation device that stops a lifter 12 that switches the position of a lock pin with rotation around an axial center L1, at a rotation end that is the terminal of the rotation. The rotation regulation mechanism 40 comprises a buffer unit 42 that comes into contact with the lifter 12 in a rotation end region in front of the rotation end when the lifter 12 is rotated, and moves together with the lifter 12 while being pushed by the rotating lifter 12. Also, the rotation regulation mechanism 40 comprises a regulation unit 41 that stops the lifter 12 at the rotation end by coming into contact with the buffer unit 42 rotating integrally with the lifter 12.SELECTED DRAWING: Figure 5
【課題】衝撃力の低減効果の向上、及び耐久性の向上を両立可能にした回転規制装置を提供する。【解決手段】ロック装置は、軸心L1回りの回転によってロックピンの位置を切り換えるリフタ12を、回転の終端である回転端で停止させる回転規制装置としての回転規制機構40を備えている。回転規制機構40は、リフタ12の回転時、回転端の手前の回転端領域で、リフタ12と接触し、回転するリフタ12に押されながらリフタ12とともに移動する緩衝部42を備えている。また、回転規制機構40は、リフタ12と一体回転する緩衝部42と接触することにより、リフタ12を回転端で停止させる規制部41を備えている。【選択図】図5
ROTATION REGULATION DEVICE
回転規制装置
2021-12-02
Patent
Electronic Resource
Japanese
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