Patents by Inventor Gary Buxbaum

Gary Buxbaum 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).

  • Drives for wind-up blinds
    Patent number: 5232038
    Abstract: The disclosed drive uses a ball chain and sprocket for adjusting a wind-up blind and a locking device activated by the ball chain into cooperation with the sprocket for blocking the sprocket and locking the drive, avoiding any large stress in the chain.
    Type: Grant
    Filed: June 7, 1990
    Date of Patent: August 3, 1993
    Inventor: Gary Buxbaum
  • Bead-chain drive for roll up blinds
    Patent number: 4932456
    Abstract: The disclosed ball-chain drive for a wind-up blind has a chain-activated locking device that acts directly on the sprocket and remains effective even if the ball chain breaks or is jostled. The locking device in one form has such symmetry that the ball-chain drive is usable at either end of the wind-up blind.
    Type: Grant
    Filed: July 3, 1989
    Date of Patent: June 12, 1990
    Inventor: Gary Buxbaum