Rotatable cutter spindle

Details Rotatable cutter spindle Rotatable cutter spindle

1978-05-15

1981-04-07

Bray, W. Donald

Woodworking

Rotary cutter

Having slotted bit seat

144162R, 144174, 144241, 407 61, B27G 1300

Patent

active

042600022

ABSTRACT:
A rotatable cutter spindle for cutting chips of predetermined length has a supporting body having an axis, and a plurality of cutters mounted on the body in spaced relationship to one another and inclined relative to the axis of the body. Each of the cutters includes an acute angle with the axis and has a leading and a trailing end and defines cutting angles which differ from one to another of these ends. Each of the cutters has alternately arranged radially outer cutting edges and radially inner cutting edges of which the radially inner cutting edges are formed by grooves which are provided in the cutters and which have a width that increases from the leading end toward the trailing end of the cutter. The radially outer cutting edges are arranged at a first common circular surface, whereas the radially inner cutting edges are arranged at a second common circular surface.

REFERENCES:
patent: 803804 (1905-11-01), Bolton
patent: 2813557 (1957-11-01), Thompson
patent: 2825371 (1958-03-01), Forman
patent: 2898958 (1959-08-01), Schubert
patent: 3319673 (1967-05-01), Voelskow
patent: 3750726 (1973-08-01), Buchacher
patent: 3882912 (1975-05-01), Sybertz

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