Block brakes for rail vehicles
CA 2128106 A1 · Owner: Kohler, Gunter · Inventors: Kohler, Gunter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a block brake for rail vehicles in which a brake linkage, acted on by a brake cylinder, acts of at least one wheel set (1) of the bogie of the rail vehicle via brake blocks (14) consisting of brake block shoes (13) and brake block shoe insert (12). The objective of the invention consisted in arranging the block brake, which is economical per se in, a rail vehicle and constructing it in such a way that higher braking capacities can be achieved that damage to, the tyres of the wheels of the wheel set (1) are avoided and that the wheel noise of the wheel sets (1) is minimized. This objective is achieved in that at least one rotationally symmetrical brake body (7) is …
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 November 24, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 24, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 24, 2015.
- 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.