Patents by Inventor John D. McGourthy, Sr.

John D. McGourthy, Sr. 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: 6095294
    Abstract: A deadman brake (62) is provided for stopping a rotating member driven by a power source, including the flywheel (46) of an internal combustion engine (42) of a lawnmower (40). A cantilever leaf spring (94) has a root end (96) attached to an engine-mounted bracket (68), and a distal end (98) movable toward and away from the flywheel (46). A brake pad (100) is attached to the cantilever leaf spring (94) and normally engages the flywheel (46) under self-bias of the cantilever leaf spring (94). A cable system (56, 58) is coupled by a transfer member (72, 134) to the cantilever leaf spring (94) and is actuated to disengage the brake pad (100) from the flywheel (46). The transfer member (72, 134) is a double pivot (106, 126) member providing universal right hand and left hand direction actuation application.
    Type: Grant
    Filed: May 29, 1998
    Date of Patent: August 1, 2000
    Assignee: John D. McGourthy, Sr.
    Inventors: John D. McGourthy, Sr., John D. McGourthy, Jr., Jon A. DeBoer, Marco J. Zach
  • Patent number: D340386
    Type: Grant
    Filed: September 4, 1991
    Date of Patent: October 19, 1993
    Inventor: John D. McGourthy, Sr.