Plastic wheel assembly, mounting sleeve and unversal axle
CA 2564950 C · Owner: Morris, Michael A. · Inventors: Morris, Michael A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A plastic wheel assembly (122, 222) and wheel mounting sleeve (127 227) used , to releasably secure the wheel (122 222) onto an axle (123, 223). The wheel mounting sleeve (127, 227) includes an axle stabilizing opening (100 200) , positioned in an end wall (158, 258) of the sleeve which receives an axle outer end or axle stub (199, 299) that supports the axle (123 223) against , lateral loading and stabilizes it to reduce wobble chatter and vibration. The , opening (100 200) permits visual confirmation of proper section of the axle outer end (199, 299) in the opening (100 200). A universal axle (223, 223a) , is also provided which can be used to couple wheels (122 222) having shaped , …
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 April 7, 2005 and granted December 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 7, 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.