Fluid coupling construction for non-pressure balanced fluid conducting swivel joints
CA 1293982 C · Owner: Howeth, D. Franklin · Inventors: Howeth, D. Franklin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A non pressure balanced fluid conducting swivel joint for coupling high pressure hydraulic conduit comprised of first and second tubular housing sections which are coaxially interfit with each other and a tubular sleeve member supported intervening between superposed portions of the housing sections The sleeve is secured thrust resistant and for rotation to the inner of the housing sections via a pair of spaced apart annular races containing bearings extending between the inner housing section and the sleeve member. The outer housing is rotationally interlocked with the sleeve member by virtue of a flexible circumscribing pin engaging an insert contained in an annular groove complementary …
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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 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 7, 2009.
- 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.