Importance

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Abstract

In a lock device in which a lock device main unit is operated from an operating handle via a single interlinking cable, provisions are made so that the releasing operation of the lock device main unit by the operating handle can be accomplished with a small force, and also that switching from a locked condition to an unlocked condition can be made reliably. An operating member for performing the locking, unlocking, and releasing operations and a switching member for performing switching between the locked and unlocked conditions are interlocked by using an interlocking member provided on the switching member and a guide portion and releasing portion provided on the operating member. The interlocking relationship between them is such that when the operating member moves between the unlocked position and the locked position, the guide portion causes the interlocking member to move, thereby switching the switching member between the unlocked condition and the locked condition, and when the operating member moves between the unlocked position and the released position, the interlocking member is engaged in the releasing portion, thereby cutting off the transmission of force from the operating member to the switching member.

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First Claim