Patents Assigned to Humphrey Thompson Enterprises Limited
  • Patent number: 3973651
    Abstract: A chock for a vehicle wheel comprising a first plate, having a series of swaged down portions to rigidify the plate and to grip a roadway, a second, flexible plate welded at one end to said first plate, and a pin engageable in a hole at the other end of each plate, to deform the flexible plate to a curved shape, which conforms to the shape of a vehicle wheel. The pin can be removed and the chock flattened to a folded condition, with the pin then being placed in a slot in the flexible plate.
    Type: Grant
    Filed: November 4, 1974
    Date of Patent: August 10, 1976
    Assignee: Humphrey Thompson Enterprises Limited
    Inventors: Kenneth John Garrett, Ronald Denis Fox