Safety device for motorized access passageways
CA 2610058 C · Owner: Gunnebo Entrance Control S.P.A. · Inventors: Ropelato, Tomaso
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A safety device for motorized pedestrian access passage- ways comprising a , movement and supporting mechanism of an oscillating access shutter which , includes an electric motor (30) for activating the shutter and a mechanical , control system, which uses a series of levers (12 13, 14, 14'), associated , with respective elastic elements (22 25), and a pushing element (31), suitable for allowing the automatic opening of the passageway in the case of , a lack of power supply due, for example, to an electric black-out; in particular, the position in which the shutter almost completely closes the access passageway is an unstable equilibrium position which is maintained , thanks to the action …
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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
- Filed May 30, 2006 and granted January 8, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 30, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.