Chain conveyor
CA 2195944 C · Owner: Gilgen Fordersysteme Ag · Inventors: Haldimann, Hans-Rudolf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The chain conveyor comprises a roller chain and a supporting rail adapted to vertically support the roller chain. The roller chain is provided with a plurality of roller members which are connected to each other by means of strap members. In order to laterally guide the roller chain with respect to the supporting rail, discrete guide elements are provided. These guide elements comprise a guide cam which protrudes the strap members of the upper run of the roller chain downwards towards the supporting rail. Moreover the guide elements comprise supporting pin members which laterally project from the guide elements. The guide elements are located between the roller members and fixed to the …
Read the whole patent
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 May 22, 1996 and granted March 20, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 22, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 22, 2018.
- 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.