Reciprocating discharger
CA 1329179 C · Owner: Hooper, Anthony W. · Inventors: Hooper, Anthony W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A reciprocating discharger for discharging solid materials from the underside of a pile has at least one, reciprocating stoker rod with a piston at one end connected to a piston rod reciprocating in a stationary cylinder which is mounted on a thrust member frame. The frame has a width greater than the length of a piston stroke so that, the piston rod does not extend outside the frame thus the, solid materials in the pile do not contact the piston arm. A hydraulic system is provided for the cylinder with a hydraulic oil reservoir, an integral power unit with an electric motor directly coupled to a variable flow reversible piston type pump connected in a closed loop hydraulic circuit with the …
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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 May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
- 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.