Portable key seat cutter

Details Portable key seat cutter Portable key seat cutter

1979-09-24

1981-08-18

Briggs, William R.

Gear cutting, milling, or planing

Broaching

Means for cutting groove

409296, 409307, B23D 3704

Patent

active

042843774

ABSTRACT:
The key seat slotter has a shank on which a pulley is adapted to be clamped. A broaching blade is slidable in a groove on the shank through the bore of the pulley. The key seat is cut in the pulley bore by manually pivoting a handle to effect repeated strokes of the broaching blade. The depth of the cut is progressively increased to the desired depth of the slot between successive strokes of the blade by incremental advancement of a tapered feed bar in the groove on the shank on which the broaching blade is slidably mounted.

REFERENCES:
patent: 10873 (1854-05-01), Williams
patent: 131293 (1872-09-01), Mooney
patent: 335333 (1886-02-01), Benson
patent: 390306 (1888-10-01), Morton
patent: 685772 (1901-11-01), LaPointe
patent: 722222 (1903-03-01), Fuhrman
patent: 870971 (1907-11-01), Lindstrom
patent: 958081 (1910-05-01), Billing
patent: 1120652 (1914-12-01), Rau
patent: 1465460 (1923-08-01), Alleman
patent: 2180477 (1939-11-01), Morton
patent: 2263870 (1941-11-01), Currie
patent: 2909967 (1959-10-01), Ranous
patent: 3499366 (1970-03-01), Spain

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