Metal tools and implements – making – Saw-making or furbishing device or machine
Patent
1979-10-01
1982-03-16
Kunin, Stephen G.
Metal tools and implements, making
Saw-making or furbishing device or machine
76 40, B23D 6316
Patent
active
043195024
ABSTRACT:
A portable saw chain sharpener which permits sharpening of the cutter elements of the saw chain without removal of the saw chain from the saw bar. A frame of the sharpener may be attached to the bar of a chain saw by means of a clamp which is adjustable to properly locate the sharpener with respect to chain saw bars of different thicknesses. A motor-driven rotating abrasive disc is adjustably mounted on a portion of the sharpener which is movable with respect to the frame between positions of engagement and non-engagement with saw chain cutter elements. Adjusting screws are provided to separately control bevel depth and bevel angle and to control the position of each individual cutter during sharpening thereof. A releaseable clamp permits a mounting plate to be rotated with respect to a baseplate to directly adjust abrasive wheel position for sharpening cutters at various hook and between positions for sharpening left-hand cutters and right-hand cutters. The sharpener may be operated by electric power provided by a portable battery pack.
REFERENCES:
patent: 1146705 (1915-07-01), Henry
patent: 2792724 (1957-05-01), Durall
patent: 2811873 (1957-11-01), Nielsen
Kunin Stephen G.
Parker Roscoe V.
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