Rail transportation system with switches, especially a mono rail overhead system for cyclic conveyance of one or more carriers, e.g. in feeding systems
CA 1309053 C · Owner: Alfa-Laval Agri Scandinavia A/S · Inventors: Madsen, Holger
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In overhead rail systems with branching tracks a carrier, such as a feeding container can be brought to pass a cyclic transportation course when the pertaining switches are correctly operated. By the invention the carrier and the switches are arranged in such a manner that a predestined transportation course is automatically achieved without applying any separate control of the switches, as the carrier is provided with switchable activation cams , which can co-operate with change-over switch arms on each rail switch in such a manner that the carrier by its own movement can cause a change-over of the switch , when this is relevant as the activation cams selectively are made operative and …
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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 20, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 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.