Spiral anti-theft lock
Spiral anti-theft lock
| Patent application number | CN00222460.7 |
| Patent filing date | 2000.03.07 |
| name | Spiral anti-theft lock |
| Public (announcement) number | CN2410373 |
| Public (announcement) day | 2000.12.13 |
| category | Fixed building (construction, mining) |
| Certificate day | 2000.11.25 |
| priority | |
| Application (patent) | Liu Bixiong |
| address | 8-2, No. 24, Shushanyuan, Shiqiaopu, Chongqing 400041 |
| Invention (design) person | Liu Bixiong |
| International application | |
| International publication | |
| Enter country date | |
| Patent agency | Chongqing Patent Office |
| agent | Guo Yun |
| Summary | |
| The utility model discloses a spiral anti-theft lock, which has the structural feature that the teeth on the key 8 are arranged in a spiral shape; the marble slots in the fixed lock cylinder 3 and the movable lock cylinder 7 are spiral grooves, and the key 8 The spiral teeth correspond. The lock has good anti-theft performance, and the thief or the professional unlocker cannot freely put the so-called master key tool into the lock core, and achieve the purpose of unlocking by adjusting the position of the lock core in the bullet hole. | |
| Sovereignty | |
| Claim 1. A spiral anti-theft lock, comprising a lock pin (1), a fixed snap ring (2), a fixed lock cylinder (3), a spring plug (4), a spring (5), a upper marble (6), a movable lock cylinder ( 7), the key (8) and the lower marble (9), characterized in that the teeth on the key (8) are distributed in a spiral shape; the marble grooves in the fixed lock cylinder (3) and the movable lock cylinder (7) are spiral The groove corresponds to the helical teeth of the key (8). | |
Characteristic Services:
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