| 摘要 |
PROBLEM TO BE SOLVED: To provide a cylinder lock which facilitate the replacement of a cylinder and a decorative cap by enabling an outer cylinder and an inner cylinder to be freely attached to/detached from a housing fixed to the lock of a door. SOLUTION: This cylinder lock 1 comprises: the housing 3 which is fixed to the lock of the door 2; the outer cylinder 4 which is detachably attached to the inside of the housing; the inner cylinder 5 which is rotatably contained in the outer cylinder; the decorative cap 6, the back end of which is fixed to the outer cylinder and which conceals a part of the front-side of the outer cylinder; a decorative ring 8 for covering a fixing means for attaching and fixing the decorative cap and the outer cylinder, so that the fixing means cannot be operated from the outside; and a stopper means 10 which is provided in the outer cylinder in such a manner as to be swingable in the radial direction of the outer cylinder, so that a key inserted into the key groove 9 of the inner cylinder can be turned in an unlocking direction, so that a leading end of the key pushed, brought away from a locking groove 3a circumferentially engraved on the inner peripheral wall surface of the housing, and sunk within the radius of the outer cylinder, and so that the inner cylinder, the outer cylinder and the decorative cap can be attached to/detached from the housing 3. COPYRIGHT: (C)2007,JPO&INPIT
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