Front caster assembly for canister vacuum cleaner
CA 1321289 C · Owner: Ryobi Motor Products Corp. · Inventors: Herron, Roy H. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A front caster assembly for a canister-type vacuum cleaner includes a swivel body member mounted for pivotal movement to the underside of the vacuum cleaner casing. A caster wheel is mounted on the underside of the swivel body member for rolling contact with the floor. A pair of small idler wheels are snap-fit onto the upper surface of the swivel body member, each having its rotational axis offset approximately 45 degrees from the line of rotation of the caster wheel, with the rotational axes intersecting at the pivot axis of the swivel body member. The idler wheels contact the underside of the vacuum cleaner casing to act as low friction bearings for pivoting movement of the swivel body …
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 August 17, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 17, 2010.
- 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.