Power saw with fluid cooling bearing assembly
CA 2239658 A1 · Owner: Lee, Wy Peron · Inventors: Lee, Wy Peron
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A ceramic and masonry power saw is constructed with a fluid cooling bearing assembly to drive a saw blade. The fluid cooling bearing assembly includes a bearing, housing which has a coolant chamber embracing around the shaft sleeve. The coolant, chamber has a C-shaped cross section and is extended along the shaft sleeve. The bearing, housing also provides a coolant inlet and a coolant outlet for sealedly connecting the coolant, chamber with the coolant conduit arrangement. Therefore the coolant would not , only be, pumped to cool the saw blade and the work piece to be cut but also be pumped , to flow inside, the bearing housing for cooling the rotating blade shaft in order to prevent …
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 June 4, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 4, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 4, 2020.
- 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.