Patents by Inventor Jon Franks

Jon Franks 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: 6257607
    Abstract: A mounting assembly on a hand cycle for the shift and brake handles which includes a collar clamp carried on the end of the front post for detachably connecting with an elongated support member having opposite ends. The clamp member is releasably coupled to the midsection of the support member and the rear-most end of the support member carries a bearing assembly for operably mounting a crank handle with hand pedals. The hand crank further includes sprocket gearing which rotates with the hand crank as the rider turns the hand crank via the hand pedals during a riding procedure.
    Type: Grant
    Filed: January 26, 1999
    Date of Patent: July 10, 2001
    Inventor: Jon Franks
  • Patent number: 6105986
    Abstract: A handcycle having a hand drive mechanism for powering the cycle which includes an attitude control system having an elastomer member serving as a resilient member to resist leaning forces. The system includes adjustability to accommodate weights of various riders so that a proper stabilizing opposing force is applied. An adjustable steering angle mechanism is provided on the handcycle frame permitting smooth movement regardless of the steering angle.
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: August 22, 2000
    Inventors: Jon Franks, Tim Brummer
  • Patent number: D390085
    Type: Grant
    Filed: March 24, 1997
    Date of Patent: February 3, 1998
    Inventor: Jon Franks