Patents by Inventor Daqiang Zheng

Daqiang Zheng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20110271720
    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.
    Type: Application
    Filed: August 10, 2010
    Publication date: November 10, 2011
    Applicant: CMECH (GUANGZHOU) INDUSTRIAL LTD.
    Inventor: Daqiang Zheng