Solenoid with close tolerance core guide
CA 1049601 A · Owner: Mac Valves · Inventors: Neff, James A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A solenoid having a C-frame with a coil assembly removably mounted therein and retained by a flux plate. A cylindrical non-magnetic, close tolerance core guide is mounted axially through the coil assembly and has slidably mounted therein a solenoid plunger and a floating pole piece. An operating shaft is slidably mounted through the pole piece and engages the inner end of the solenoid plunger. A spring has one end operatively mounted against the outer face of the flux plate and the other end attached to the pole piece for normally biasing the floating pole piece into an initial position.
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 February 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 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.