Support and transmission module for the winding shaft of a lifting curtain door
CA 1284095 C · Owner: Nergeco S.A. · Inventors: Kraeutler, Bernard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A support and transmission module for the winding shaft of a lifting curtain door, A support and transmission module (25) for the winding shaft (23) of a lifting,curtain door, said shaft being rotated by an electric motor, comprises a closed case (30) containing at least two parallel module shafts (31, 33 35). A primary, module shaft (31) and a secondary module shaft (33) are colinearly connectable to the outlet shaft (32) of the motor and to the winding shaft (23), respectively. These module shafts carry toothed wheels (42, 43, 44, 45) which cause them to rotate together. They transmit torque generated by the motor (27) to the winding shaft (23) and they reduce the speed of rotation of …
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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 May 14, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2008.
- 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.