Invention Grant
- Patent Title: Locking device of a combination lock
- Patent Title (中): 组合锁的锁定装置
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Application No.: US388647Application Date: 1982-06-15
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Publication No.: US4455847APublication Date: 1984-06-26
- Inventor: Sheng-Hu Hung
- Applicant: Sheng-Hu Hung
- Assignee: Hung Sheng Hu
- Current Assignee: Hung Sheng Hu
- Main IPC: E05B27/06
- IPC: E05B27/06 ; E05B37/08 ; E05B37/04
Abstract:
An improved locking device of combination lock comprises a combination lock having toothed combination wheels, a three-way locking means formed with the shaft of the combination lock, a three-extension key and a rear locking pin normally poking into the key hole of the locking means to prevent from turning the combination lock for enhancing security.
Public/Granted literature
- US4960083A Failsafe method in connection with valve timing-changeover control for internal combustion engines Public/Granted day:1990-10-02
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