Patent ID: 7455334
Filing Date: 2008-11-25
Classification: E05C,G11B,Y10S,Y10T

Abstract:
1. A latch device for latching an object member movable in a predetermined direction, the latch device comprising: a base member; a cam member mounted on the base member for following movement of the object member; a latch member mounted on the base member and movable between a first position where the latch member does not engage the object member and a second position where the latch member engages the object member; a control mechanism coupled to the cam member and the latch member for controlling movement of the latch member depending on the number of times of movement of the cam member; and a lock member interposed between the base member and at least one of the cam member and the latch member for locking the latch member at the second position to prevent a release of the object member from the latch device, the lock member being movable between a lock position where the lock member limits movement of at least one of the cam member and the latch member relative to the base member and a non-lock position where the lock member does not limit movement of at least one of the cam member and the latch member relative to the base member, the lock member comprising a ball which is placed at the non-lock position when the latch device has a desired posture, the ball moving from the non-lock position towards the lock position when the latch device is inclined to exceed a predetermined angle from the desired posture.