Offset Handles And Blade Patents (Class 30/235)
  • Compact bolt cutter with improved mechanical advantage
    Patent number: 7913400
    Abstract: (FIG. 1) shows an improved bolt cutting tool comprising left and right cutting jaws (10) that are closed by handles (12A and 12B). As handles (12A and 12B) are separated, jaw (10) opens to allow the material to be cut to enter. The cutting handles (12A and 12B) are closed, utilizing a partially threaded rod (14) and rotational handle (16) to draw them closed. (FIG. 2).
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: March 29, 2011
    Inventor: John Arthur Larkin
  • Multi-purpose plastic pipe cutter
    Patent number: 7204021
    Abstract: Upper and lower handle members are pivotally attached at one end. Crimper jaws are operated via the handles. The upper handle carries a guide assembly to mount the blade, and operate the cutting mode using an upper handle cradle. Other accessories include a hole punch, a nut driver, a rivet remover and a hammer.
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: April 17, 2007
    Inventors: Eric M. Houseman, Ronald A. Angstead, Brent W. Murray, Patrick M. Bertsch
  • Ergonomic scissors
    Patent number: 5153997
    Abstract: There is provided improved ergonomic scissors which are particularly useful for barbers, hair designers, and other hair stylists. The scissors include a pair of beams rotatably attached to one another at a pivot point. Each beam includes a cutting edge and a handle. Each handle includes a loop for securing a digit thereto. Each loop is at an angle with respect to the remainder of its beam so that the loop projects out of the plane of rotation of the remainder of its beam.
    Type: Grant
    Filed: October 11, 1991
    Date of Patent: October 13, 1992
    Assignee: Ergonomic Tool Associates
    Inventors: Charles G. Chiavaras, Ronald J. Neimkin, Deborah P. Neimkin