Folded springs for vibratory feeders and conveyors
CA 1067031 A · Owner: Eriez Manufacturing Company · Inventors: Benson, William H.; Falconer, Thomas H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The specification discloses a spring for powering a vibratory feeder or conveyor made up of a first leaf spring and a second leaf spring in closely spaced relation to each other. The ends of each of the two leaf springs are rigidly clamped to corresponding ends of one another and a spacer is rigidly clamped between the springs at said ends. The center of one spring leaf is fixed to the conveyor, while the center of the other spring leaf is fixed to a vibratory motor.
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 November 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 27, 1996.
- 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.