Caster wheel for a carrying apparatus such as a shopping cart and the like
CA 1135014 A · Owner: Schulte (Albert) Sohne Kg · Inventors: Sachser, Herbert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The caster wheel includes a swivel housing connected to a transportation apparatus such as a shopping cart and supporting a transverse shaft and a downwardly directed braking bracket terminated with a transverse braking shoe. Two separate wheel discs are respectively supported for rotation on the shaft and are slidably interconnected along their periphery by snap-in annular grooves and tongues. Each wheel disc is provided with a radially directed guiding ring which is adapted for engaging a guiding groove on a conveyor belt. -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 November 9, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 9, 1999.
- 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.