Oscillating combination belt, spindle, and edge sander
CA 2258328 C · Owner: Davis, David L. · Inventors: Davis, David L.; Schroeder, James D.; Hoshino, Kiyoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sanding apparatus is disclosed which includes a motor and mechanical drive system for imparting rotational and oscillator motion to an output shaft thereof. The motor shaft extends upwardly through a worktable. In one embodiment the sandingapparatus is convertible between two or more modes of operation. In a spindle sanding mode, a sanding spindle is coupled to the motor output shaft such that the spindle, rotates and oscillates with respect to the worktable. In a belt sanding mode of operation, a belt sanding belt/pulley assembly is attached to the motor shaft. The belt/pulley assembly includes a drive drum and a driven drum about which a sanding belt is entwined. When operated in belt …
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 January 20, 1999 and granted November 25, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 20, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 20, 2021.
- 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.