Keyway broach tool and method of broaching multiple keyways

Details Keyway broach tool and method of broaching multiple keyways Keyway broach tool and method of broaching multiple keyways

1992-03-30

1993-09-21

Bilinsky, Z. R.

Gear cutting, milling, or planing

Broaching

Process

409259, 409304, 409287, B23D 3709

Patent

active

052463206

ABSTRACT:
A tool for guiding a push type keyway broach in the broaching of one or more keyways in a single bore of a workpiece includes a bushing fitable into the bore of the workpiece, a rectilinear guideway in the bushing for slidably receiving the base portion of a conventional push type broach, and a guide pin receivable in a selected one of a plurality of angularly spaced radial holes in the bushing and having an externally extending portion dimensioned to slidable fit into a previously broached keyway, thereby to precisely set and hold the broach at a selected, predetermined angle relative to the previously broached keyway.

REFERENCES:
patent: 131293 (1872-09-01), Mooney
patent: 2475227 (1949-07-01), Evans
patent: 2510835 (1950-06-01), Rice
patent: 5150996 (1992-09-01), Thoroughman

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