Bistable solenoid actuator
CA 1306272 C · Owner: Slavin, Michael · Inventors: Martus, Charles R.; Slavin, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bistable actuating solenoid device having an axially translatable armature which is stable at either a first or a second position The device employs a solenoid winding wrapped around a bobbin having an internal bore with the armature disposed in the bore A permanent magnet is located at one end of the bobbin for holding the armature in the first position and a spring urges the armature toward the second position When it is desired to move the armature from the first to the second position a current is, passed through the winding such that a magnetic field is generated which opposes the field presented by the permanent magnet to allow the armature to move to the second position under 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 August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 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.