Pulley lock
The invention discloses a pulley lock which mainly comprises a lock shell, an inner side lock cylinder, a pulley shaft on the lock cylinder, a pulley, a pulley straight groove formed in the lock shell and used for enabling the pulley to slide, an annular groove allowing a key to rotate to open the l...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The invention discloses a pulley lock which mainly comprises a lock shell, an inner side lock cylinder, a pulley shaft on the lock cylinder, a pulley, a pulley straight groove formed in the lock shell and used for enabling the pulley to slide, an annular groove allowing a key to rotate to open the lock, an R step on the outer wall of the key, an unlocking mechanism, an unlocking poking device on the inner side lock cylinder, and a locking return spring. |
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