Apparatus for actuating hoistway doors of an elevator
CA 1064838 A · Owner: Inventio Ag · Inventors: Lang, Georg; Foelix, Heinz D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
INVENTORS: HEINZ DIETER FOELIX and GEORG LANG INVENTION: APPARATUS FOR ACTUATING HOISTWAY DOORS OF AN ELEVATOR, ABSTRACT OF THE DISCLOSURE, An apparatus for actuating the hoistway doors of an elevator, which comprises a coupling element fixedly arranged at the hoistway or elevator shaft door and a movable electromagnetically actuatable coupling element arranged at the elevator cabin door which at, the region of an elevator landing or storey can be brought into engagement with the fixed coupling element of the hoistway door. The movable coupling element arranged at the elevator cabin door comprises an entrainment member composed of discs arranged at essentially the same spacing from one …
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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 October 23, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 23, 1996.
- 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.