Mechanism for a roller blind
CA 1160149 A · Owner: Hunter Douglas Canada Limited · Inventors: Hennequin, Petrus J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mechanism for the roller of a roller blind in which, a housing has rotatably mounted therein a pulley over which a ball cord, passes, with two pieces of cord hanging down, one from each side of the pulley. The balls of the ball cord can be engaged in one of two U-shaped slots to, lock the cord. The U-shaped slots are each formed in a locking element which is designed as a component which can be fastened to the housing in either of two different positions, the locking part being arranged on the locking element in such a way that, in one or other of the two different positions, it always interacts with one or the other of the pieces of cord hanging down.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted January 10, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 10, 2001.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.