Tensioning device for the energy storage system of an electrical switch
CA 1304437 C · Owner: Sachsenwerk Aktiengesellschaft · Inventors: Reichl, Erwin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Tensioning device for the energy store of an electrical switch, the energy store including a drive spring and the switch having a turn-on lock provided with a blocking latch of the turn-on lock of the switch the device, including:, a rotatable drive shaft having a crank articulated to the drive spring, the drive shaft being rotatable into an end position at which the spring is tensioned and the drive shaft is supported at the blocking latch; a rotatable tensioning shaft and a displacementproducing mechanism carried by the tensioning shaft; a directional coupling device disposed on the drive shaft and coupled to the displacement-producing mechanism for rotating the drive shaft in steps in a …
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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 June 30, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 2009.
- 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.