Power chisel

Details Power chisel Power chisel

1981-06-11

1983-11-01

Bray, W. D.

Woodworking

Rotary cutter

End thrust

144 70, 144144R, 408228, B27G 1300, B27C 510

Patent

active

044125712

ABSTRACT:
A laterally movable hand held motor driven cutting tool adapted to cut grooves of predetermined depth in wood, has a cutting bit with a hollow tubular cutting end. A plurality of peripheral chisel shaped cutting edges are formed in the tubular end. The cutting edges are spaced by semi-elliptical knife-like portions of the tubular end. A depth adjusting ring and guide are provided to control the depth of the grooves.

REFERENCES:
patent: 433683 (1890-08-01), Jennings
patent: 1410534 (1922-03-01), Stein
patent: 3130763 (1964-04-01), Schlosser et al.
patent: 3656521 (1972-04-01), Czerniewicz
patent: 4050841 (1977-09-01), Hildebrandt

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