Patents Examined by William Fridie, Jr.
  • Knife handle for accommodating different adjustable blade types
    Patent number: 4509260
    Abstract: An improved retractable knife includes a frontal part of the blade carrier, which has a bottom blade supporting ledge, is embodied as a pallet adapted to firmly mount and support the area of the blade which remains within the handle so that there is no play or rattle of the blade irrespective of whether an apertured or solid blade is mounted on the carrier. The pallet has a plurality of register pins receivable in corresponding notches provided in a trapezoidal type cutting blade at the edge opposite the blade cutting edge.
    Type: Grant
    Filed: July 12, 1983
    Date of Patent: April 9, 1985
    Inventor: Donald Gringer
  • Reciprocating type electric shaver
    Patent number: 4428117
    Abstract: A reciprocating type electric shaver comprises an inner-blade mount holding many inner blades and connected to a first driver-element converting rotary motion of a motor into reciprocating motions and an outer blade connected to a second driver-element reciprocated at a mechanical phase reverse to the first driver-element so that the inner blades and outer blade can slidably engage with each other mutually at mechanically reverse phase and the relative momentum of the outer blade with respect to the inner blades can be enlarged.
    Type: Grant
    Filed: June 15, 1982
    Date of Patent: January 31, 1984
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Sadashige Horii, Hirozoh Imai, Tetsuo Hamashima