Patents Assigned to Daiya Seiko Kabushiki-Kaisha
  • Adjustable wrench
    Patent number: 4706528
    Abstract: An adjustable wrench having a fixed jaw, an adjustable jaw which is movable to adjust the gripping distance between the fixed jaw and the adjustable jaw, a sliding jaw portion which is provided as a gripping member on either of the fixed jaw or the adjustable jaw and serves as a wedge to decrease the gripping distance between both the jaws in its sliding in one direction, and a mechanism which automatically returns the sliding jaw portion to its original retracted position.
    Type: Grant
    Filed: October 21, 1986
    Date of Patent: November 17, 1987
    Assignee: Daiya Seiko Kabushiki-Kaisha
    Inventor: Isao Inoue