Roller bearing
CA 1298336 C · Owner: Murphy, Richard F. · Inventors: Daul, Thomas J.; Murphy, Richard F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Docket No. 0257-TC-BE, ROLLER BEARING, Abstract of the Disclosure The bearing is used on a mechanical machine part or apparatus part which allows linear movement of the part along a second machine part or apparatus part and also allows angularity of one part with respect to the second part. A generally rectangular roller block is provided with raceways around its entire periphery. Rollers fill all of the raceways. Two opposite raceways have their rollers enclosed; the other opposite raceways have rollers which are in exposed operating positions so that they may contact the second machine. The rollers are retained within the roller block by one or more roller retaining members.
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 March 31, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 2009.
- 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.