Patents by Inventor Cecil Norman Unwin

Cecil Norman Unwin 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).

  • Tensioning apparatus
    Patent number: 6406230
    Abstract: A belt (3) can be pulled out from a spring biased retractor reel (2) when a ratchet mechanism (16) is released. The belt (3) is entrained around a movable shoe (4) before being led to a fastening point. When fastened, the spring bias in the reel (2) takes up the slack. Operation of an actuator, such as by depression of a pedal (10), first causes the ratchet mechanism (16) to engage and then shifts the shoe (4) to stretch and tension the belt between the reel (2) and the fastening point. The pedal (10) is retainable in its fully depressed, belt-tensioning position.
    Type: Grant
    Filed: May 4, 2000
    Date of Patent: June 18, 2002
    Assignee: C. N. Unwin Limited
    Inventors: Stuart Leslie Mason, John Chatterley Perring, Cecil Norman Unwin