Patents Assigned to Qualicorp Ltd.
  • Angularly displaced pin coupling
    Patent number: 5042332
    Abstract: A coupling for interconnected members uses a pin positioned in holes perpendicular to the axes of the members, where the holes in each are formed and arranged by angular displacement so that the pin rotationally forces the members against one another for an interference fit.
    Type: Grant
    Filed: November 28, 1989
    Date of Patent: August 27, 1991
    Assignee: Qualicorp, Ltd.
    Inventor: Michael F. Nickipuck
  • 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
  • Locking socket wrench drive device
    Patent number: 4768405
    Abstract: A socket wrench having an extension and a quick-release mechanism is disclosed.
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: September 6, 1988
    Assignee: Qualicorp Ltd.
    Inventor: Michael F. Nickipuck