Method of and apparatus for active vibration isolation
CA 1253524 A · Owner: Sound Attenuators Limited · Inventors: Chaplin, George B.B.; Smith, Roderick A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Vibration isolation between a source and a mounting is provided by means of a vibration-cancelling actuator with a shear isolator placed in series with the source. Mechanical and magnetic actuators are disclosed a pre-, ferred mechanical actuator (Figure 3) including its own shear isolation with a ratio of compliance in shear and axial directions of at least 50:1.
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, and the Claude kit works from them.
Why it's free to use
- Granted May 2, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 2, 2006.
- 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.