Equipment at a lift cage for temporarily coupling a cage door leaf with a shaft door leaf and for actuation of a cage door unlocking means
CA 2489604 C · Owner: Inventio Ag · Inventors: Luetolf, Juergen; Bisang, Daniel; Thielow, Frank
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Equipment at a lift cage for temporarily coupling a cage door leaf with a shaft door leaf and for actuating a cage door locking means comprises a coupling mechanism which is arranged at the cage door leaf (5) with two entraining runners (15.1, 15.2) mounted on two pivotable adjusting elements (17.1 17.2). The spacing between the entraining runners can be adjusted by pivotation of the adjusting elements between an uncoupling setting and a coupling setting wherein the entraining runners in coupling setting cooperate with at least one coupling element (18) mounted at the shaft door leaf. One of the entraining runners (15.1) is coupled by way of a respective articulation member (20.1 20.2) with …
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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
- Filed December 7, 2004 and granted September 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 7, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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
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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.