Importance

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Abstract

The present utility model discloses a novel dial-type window lock, comprising a lock body, a lock catch member and a dial handle, wherein the lock body is provided with a bush allowing a square shaft of the dial handle to movably pass there through, the lock catch member and the dial handle are respectively provided on internal and external sides of the lock body and remain linked to each other via the square shaft of the dial handle; the window lock further comprises an elastic seizure mechanism which allows for achievement of quick positioning when the lock catch member shifts between locked and opened states and which comprises an elastic seizure assembly disposed on the lock catch member and a snap slot disposed on the lock body and snap engaged with and interference fitted with the elastic seizure assembly. The present utility model has the following advantageous effects as compared with the prior art: 1. the window lock is small and compact in structure, easy to process and manufacture and feel good to operate; 2. The window lock is pragmatic and reliable with a long service life. Experimental data reveals that when the window lock is opened 70,000 times or more than 70,000 times, it is still functionally intact.

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First Claim