Patents by Inventor Jianzhang Que

Jianzhang Que 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).

  • Pin and torsion spring lock for a drawer slide
    Patent number: 7404611
    Abstract: A drawer slide has a pin and torsion spring lock (28) for securing an intermediate slide member (16) relative to a cabinet member (18). A lock pin (154) has a head (180) and a shank (178). A groove (182) is formed into the shank (178). A torsion spring (156) is secured to the intermediate slide member (14) and engages the groove (182) to urge the lock pin (154) into a first position within a slot (158) formed in the intermediate slide member (16). The head (180) of the lock pin (154) extends on an opposite side of the intermediate slide member (16) from the torsion spring (156). Two stops (162, 164) are disposed on the cabinet slide member (18) for engaging with the head (180) of the lock pin (154). A release member (172) is embossed in the web portion (44) of the chassis member (14).
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: July 29, 2008
    Assignee: Central Industrial Supply Company
    Inventor: Jianzhang Que