| 摘要 |
PROBLEM TO BE SOLVED: To provide a hook lock capable of lightly operating a hook member to decrease shakiness. SOLUTION: In the hook lock for locking and unlocking by making the hook member 10 come in and out to the front from a lock case 1 by pivoting a hub 20 connecting to a thumb-turn or a door handle, it is so constituted that a guide rib 6 is projected to the inside of a case plate 4 on one side of the lock case 1 to the central part from the back, a first connecting pin 13 is horizontally provided to the front of a transverse 11 in the hook member 10, also the first connecting pin 13 is connected to a link 25, a second connecting pin 14 is horizontally provided to the rear end of the transverse 11, the second connecting pin 14 is engaged with the guide rib 6, also it is connected to the hub 20 and that a positioning flat spring 30 for holding a stationary position of the hub 20 is provided to the hub 20 in a state of press-contact. COPYRIGHT: (C)2003,JPO
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