Patents Assigned to Sunproject Canada Inc.
  • Mechanism for locking roll up curtains and the like
    Patent number: 6530717
    Abstract: In a mechanism for locking curtains and the like, a sleeve rotates about a relative axis and is fastened to a roll, in coaxial relation therewith. A curtain is rolled up on the roll. A barrel features at least one radial housing opening outside of the barrel and enters freely the sleeve. The mechanism includes also one spring introduced freely in each radial housing and pushing a cylinder or a sphere against an inner surface of the sleeve.
    Type: Grant
    Filed: April 28, 2000
    Date of Patent: March 11, 2003
    Assignee: Sunproject Canada Inc.
    Inventor: Giovanni Bergamaschi