| 摘要 |
PROBLEM TO BE SOLVED: To provide a picking preventive door knob cover for preventing a theft by the picking and concealing a key hole for a door knob by an installation to the door knob and a locking by a dial lock. SOLUTION: A collar is caulked to a cover body, a rotating disk B is inserted, a dial is connected from the outside of the cover body through a spring B and the collar in a shaft on the lower side, a pawl B is mounted on one side of the rotating disk B and a rotating disk A is inserted and stopped by a cover B through a spring A. The cover B connected to the cover body is secured through the rotating disk A and the spring A in a shaft on the upper side of the rotating disk B, the pawl is set up on one side of the cover B, a rubber board is fitted to the cover B, the rotating disk A is made free and the pawl A is attached on one side of the rotating disk A. A push button is passed through the cover body through a spring C, and connected to a stopper- opening metal fitting by a connecting rod, holding a guide, and a stopper pawl is stopped on the upper side of the cover body together with a spring D.
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