Frameless radial truck
CA 1234722 A · Owner: Standard Research And Design Corporation · Inventors: Bullock, Robert L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A frameless self-steering radial wheeled support vehicle for a railroad car body includes: (a) a pair of wheelsets, (b) a support at opposite ends of each wheelset for independently mounting a railroad car body on each end of the wheelset, (c) resilient shear pads for mounting each support upon an end of a wheelset, which pads permit both lateral and yaw movement of a wheelset relative to its supports and, (d) a linkage connecting adjacent ends of each wheelset constraining the wheelsets to yaw in opposite sense and permitting lateral movement of one wheelset relative to the other. -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 April 5, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 5, 2005.
- 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.