Hydraulic drive with single piston rod
CA 1332340 C · Owner: Foster, Raymond Keith · Inventors: Foster, Raymond Keith
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A single elongated piston rod (12) is secured by a ball and socket joint (62, 66, 68) at one end to a frame member (82). At its opposite end, it is restrained against up and down and sideways movement but is not connected. A plurality of piston heads (22, 24, 26) are spaced apart along the length of the piston rod (12). A traveling cylinder (28, 30, 32) is associated with each piston head (22, 24, 26), a transverse drive beam (16 18, 20) is, connected to each travelling cylinder (28 30, 32). Each, transverse drive beam (16 18, 20) is connected to a, separate group ("1" "2", "3") of the floor members (14), which make the reciprocating floor conveyor.
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 October 11, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 11, 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.