Apparatus for load-dependant control of an elevator
CA 1252924 A · Owner: Inventio Ag · Inventors: Schroder, Joris
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
It is possible with this apparatus to prevent major loss of time, especially during periods of high traffic density in the downward direction in that only, one elevator-cabin of a group of elevator-cabins adapted, to carry a suitable load, is used to serve a specific floor, thus second stops to serve remaining passengers being eliminated. To this end, an adding device is provided to establish a total of the number of passengers in the elevator-cabin and the number of passengers waiting at the next floor to be served. This total is compared in a, comparator, with a maximal permissible number of passengers corresponding to a limit-load-value. If the said limit-load-value is exceeded, the …
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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 April 18, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 18, 2006.
- 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.