Anti-theft spring lock for door and window
The utility model belongs to an anti-theft lock, particularly a spring lock. A prime lock bolt is properly extended, so that thin steel sheets or hard objects can not contact the slope part or arc-shaped surface part of the prime lock bolt, and therefore, the lock bolt can not shifted to achieve the...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model belongs to an anti-theft lock, particularly a spring lock. A prime lock bolt is properly extended, so that thin steel sheets or hard objects can not contact the slope part or arc-shaped surface part of the prime lock bolt, and therefore, the lock bolt can not shifted to achieve the anti-theft purpose. |
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