Abrading – Abrading process – Razor – knife – or scissors sharpening
Patent
1996-06-25
1997-06-24
Rose, Robert A.
Abrading
Abrading process
Razor, knife, or scissors sharpening
451 1, 451 19, 451234, 451262, B24B 100
Patent
active
056413211
ABSTRACT:
The invention provides a novel cutting tool used in wood working, which has a sufficiently thick cutting edge allowing stable cutting of a veneer from a log as well as an apparatus for and a method of grinding the cutting edge to have a favorable shape and a relatively large angle. The apparatus of the invention includes a table which an elongated cutting tool extending along a longitudinal axis of the table is mounted on, a fixing element for pressing the cutting tool upright against an upright plate, and a carriage which is reciprocatingly movable along the longitudinal axis of the table. The carriage is provided with a pair of grinding wheels which are respectively movable into and out of endwise grinding contact with an upper surface and a lower surface of the cutting edge of the upright cutting tool at desirable angles. The apparatus further includes a control mechanism for controlling a moving distance and an inclined angle of each grinding wheel according to a preset number of grinding steps and a predetermined grinding depth and a predetermined grinding angle at each grinding step for each surface of the cutting edge. The upper surface and the lower surface of the cutting edge are respectively multiple-taper ground to have an arc-shaped surface from the tip portion to the base portion of the cutting edge.
REFERENCES:
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patent: 3292478 (1966-12-01), Falk et al.
patent: 3299925 (1967-01-01), McBrady et al.
patent: 3929044 (1975-12-01), Beauchet
patent: 4845900 (1989-07-01), Suzuki et al.
patent: 4984394 (1991-01-01), Suzuki et al.
patent: 5233792 (1993-08-01), Suzuki
Kabushiki Kaisha Taihei Seisakusho
Laurentano Anthony A.
Liepmann W. Hugo
Nguyen George
Rose Robert A.
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