Taper under taper plate to increase side force on the movable plate
CA 2561562 C · Owner: Wabtec Holding Corporation · Inventors: King, Dennis W.; Sommerfeld, Howard R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention increases the capacity and resistance to closure of the draft gear assembly (10) by providing an angled bottom surface (62) on the tapered plates (56) intermediate of the inner and outer friction surface in the area where the taper plate (56) contacts the third horizontal rib (24) of the housing (12). Providing an angle on the bottom edge surface of the tapered plates (56) in this area increases the side force on the movable plates during the application of a buffing shock to the draft gear assembly (10).
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
- Filed March 31, 2005 and granted May 21, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 31, 2025.
- 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.