Apparatus for sharpening edge tools
CA 1310497 C · Owner: Meister, Conrad · Inventors: Ketteringham, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for sharpening an edge tool having a linear cutting edge, such as a chisel, plane iron or gouge comprises a rotary grindstone having a cylindrically curved surface mounted for rotation about an axis coincident with the axis of the cylinder and tool, mounting means on which an edge tool to be sharpened can be located, the tool mounting means including guide means orientated such that relative movement between the tool and the rotary grindstone can take place substantially perpendicular to the plane including the point of contact between the edge tool and the stone and the axis of the grindstone. The tool mounting means includes a tool mount turnable about an axis orthogonal to the …
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 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 24, 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.