Apparatus for sharpening edge tools
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United States of America Patent
Stats
-
Oct 9, 1990
Grant Date -
N/A
app pub date -
Sep 29, 1988
filing date -
Mar 28, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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 assembly on which an edge tool to be sharpened can be located, the tool mounting assembly including a guide assembly 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 assembly includes a tool mount turnable about an axis orthogonal to the plane of a tool carried thereby, which is itself carried on a tool mount carrier turnable about an axis parallel to the axis of the rotary grindstone so that a tool to be sharpened can be positioned with its edge inclined to the axis of the grindstone but lying in a plane parallel to this axis and to the line of relative displacement between the tool mounting assembly and the grindstone.
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