Patents Assigned to 501 Qualicorp, Ltd
  • Wedge locking socket device
    Patent number: 4938107
    Abstract: A socket wrench drive extension incorporates a quick release and locking feature. The extension is used in conjunction with a ratchet drive and standard mechanics sockets for driving threaded fasteners. The extension uses a longitudinal control bar which bears directly or indirectly on a detent contained in a transverse bore at the driving end of the extension. The control bar fits in a channel on the exterior of the extension and is operated through the retraction of a spring loaded collar.
    Type: Grant
    Filed: August 23, 1988
    Date of Patent: July 3, 1990
    Assignee: 501 Qualicorp, Ltd
    Inventor: Michael F. Nickipuck
  • Power driven wrench retention device
    Patent number: 4905549
    Abstract: A power socket wrench locking and release apparatus uses a longitudinally sliding locking member which co-acts with securing or retaining detent elements. The detent elements use a projecting member and a retracting spring for retraction and are locked in place by the locking member.
    Type: Grant
    Filed: September 2, 1988
    Date of Patent: March 6, 1990
    Assignee: 501 Qualicorp, Ltd
    Inventor: Michael F. Nickipuck