Electromagnetic relay
CA 1292263 C · Owner: Nec Tokin Corporation · Inventors: Yokoo, Kiyotaka; Hitachi, Hideki; Ikeda, Matsujiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electromagnetic relay has a plate-like core wound with a coil which is formed as a whole in the shape of a letter U and is provided with projections respectively on both sides of the ends. A permanent magnet is in contact with the core. A platelike armature which can be moved in a seesaw manner so as to cause both ends thereof to contact with or separate from both ends of the core is provided. Movable contact springs move in accordance with the armature in the seesaw movement. A base is provided with stationary contacts with which movable contacts of the movable contact springs cooperate in the seesaw movement. The armature ends pass between the projections provided on both sides of 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 November 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 19, 2008.
- 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.