Yaw damper for swivelable railcar trucks
CA 1281940 C · Owner: Paton, H. Neil · Inventors: Paton, H. Neil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, The damper includes an elongated member that is movable conjointly with a swivelable railcar truck and, a yaw control assembly mountable by an overhead carbody. This assembly grips the elongated member so that a frictional damping force is applied to it when the truck negotiates curved track. In one embodiment the, damping force obtained remains substantially constant and, in another embodiment, it is proportional to load.
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 March 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 26, 2008.
- 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.