Patents by Inventor Oscar J. Swenson

Oscar J. Swenson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4418768
    Abstract: An improved manually operated torque magnifying impact tool is provided having an improved drive, an improvement for reducing friction loss in operation of the tool, an improvement for stopping rotation of the inertia member, improved ratcheting, improved clearance adjustment between the frame members and the inertia members, an improvement for precluding gauling between bearing surfaces during the operation of the tool, an improved disengagement of ratcheting members and engagement of such members to the fullest extent, and improved disengagement of the ratcheting members and stopping the rotation of the inertia member.
    Type: Grant
    Filed: September 2, 1982
    Date of Patent: December 6, 1983
    Inventor: Oscar J. Swenson
  • Patent number: 4382476
    Abstract: An improved manually operated torque magnifying impact tool is provided having an improved inertia member construction, separate cams for disengaging certain operating members, an improved tool head, improved mechanism for stopping the inertia member, mechanism to limit the decompressive movement of the power spring to absorb the shock associated with such movement, mechanism to utilize the power spring to stop the inertia member resiliently to reduce stress on tool parts, mechanism to accomplish a more uniform input force requirement on the tool head axis, and mechanism to reduce the force of the pawls against the ratchet teeth at the moment of disengagement.
    Type: Grant
    Filed: December 3, 1981
    Date of Patent: May 10, 1983
    Inventor: Oscar J. Swenson
  • Patent number: 4185622
    Abstract: A foot and leg exerciser comprises an inclinable base, at least one foot pad for supporting and moving the foot of the user, and means for moving the foot pads in a pattern to provide mild exercise which simulates normal walking. The heel ends of the foot pads are moved in a vertical plane by revolving cranks driven by an electric motor through reduction gears, while the toe ends of the foot pads are supported on adjustable rocker arms. Starting, stopping and speed of the motor are controllable by the user through a remote control box. A number of features of the design are directed to safety in the operation of the exerciser.
    Type: Grant
    Filed: March 21, 1979
    Date of Patent: January 29, 1980
    Inventor: Oscar J. Swenson