Reciprocating conveyor i
CA 1094968 A · Owner: Hallstrom, Olof A. · Inventors: Hallstrom, Olof A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
At least one group of at least three elongated slats are mounted side by side on a frame for longitudinal reciprocation to form a conveyor, the slat being connected to adjustable drive mechanism which is operable in a first position of adjustment such that there are always a greater number of slats of each group moving simultaneously in a conveying direction, with the remaining slat or slats of each group moving in the opposite direction, and in a second position of adjustment such that all of the slats of each group move simultaneously in the conveying direction to initiate move-, ment of a load to be conveyed whereupon the drive mechanism, is adjusted to said first position of adjustment. …
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
- Granted February 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 3, 1998.
- 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.