Vibratory device for feeders and the like
CA 1092857 A · Owner: Spurlin, William V. · Inventors: Spurlin, William V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vibratory device operable as a two mass vibrating system for driving a work member as used in feeders screens, conveyors and the, like, employs a motor driven eccentric weight exciter attached to one mass which is spring coupled to a second mass with the entire device being supported by isolator springs. The spring coupling is adjustable in a generally vertical plane to vary the direction or application of the exciter forces transmitted from the first mass to the second mass to fix this direction as conditions of use call for the second mass being, vibrated with the work member forming a part of such second mass to perform the work produced by the vibratory device in driving the work …
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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 January 6, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 6, 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.