Dual-type damper device
CA 1268059 C · Owner: Toyota Jidosha Kabushiki Kaisha · Inventors: Serizawa, Minoru; Tazuke, Yutaka
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dual-type damper for damping vibration of a rotation axle, having (a) a damper pulley including a boss portion joined to the rotation axle, a cylindrical portion located radially outwardly of the boss portion and a connection, portion connecting the boss and cylindrical portions; (b) a first damper mass disposed radially outwardly of the cylindrical portion, concentrically with the same; (c) a first resilient member interposed between the cylindrical portion and the first damper mass; (d) a metallic annular member press-fitted onto an inside surface of the cylindrical portion; (e) a second damper mass having a cylindrical shape and disposed between the connection portion and the annular …
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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 April 24, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 24, 2007.
- 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.