Rotating cage security device for a gyratory projectile
CA 1206038 A · Owner: Manufacture De Machines Du Haut-Rhin, "Manurhin" · Inventors: Nicolas, Jacques; Raso, Roland
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
The security device of the invention comprises a movable organ in the interior of a cage mounted for rotation with respect to the body of a projectile the movable organ, being temporarily blocked from such rotation around the axis of gyration by at least one pin ejectable under the action of centrifugal force. Said pin is itself retained by an elastic spiral hand enrolled upon the cage and which as a, result of a difference introduced into the speeds of respective rotation of the cage and of the body around the axis of gyration upon the exit of the projectile from the muzzle of the weapon, unwinds to liberate the pin. As a result the movable organ after a trajectory of many tens of after …
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.
Why it's free to use
- Granted June 17, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 17, 2003.
- 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.