Woodworking – Rotary cutter – End thrust
Patent
1982-03-16
1984-03-06
Bray, W. D.
Woodworking
Rotary cutter
End thrust
408 26, 408183, B27G 1300
Patent
active
044348266
ABSTRACT:
A shank is provided for stationary support from a rotary drive structure with the shank coaxial with the axis of rotation of the drive structure. The shank includes a head on one end having an outwardly opening bit receiving bore formed therein coaxial with the shank. An open ended slot is formed through the head transverse to the bore and opens laterally outwardly in the direction in which the bore opens. A twist drill bit is provided and has a longitudinally extending flat on its shank end and the shank end of the drill bit is snugly received within the bore with the flat thereon substantially coplanar with one side of the slot laterally outwardly of which the shank end is disposed. An elongated cutting plate is snugly slidably received in the slot and against the flat with one end portion of the plate projecting outwardly of the corresponding end of the slot. One longitudinal edge of the plate is substantially seated in the slot and the other longitudinal edge of the outwardly projecting end portion of the plate includes a beveled cutting edge extending therealong and contoured according to the desired radial cross-sectional shape of one side of the wheel to be cut and also the outer peripheral contour of the wheel. Clamp structure is provided for clamping the portions of the head disposed on opposite sides of the slot against the plate and also the plate against the flat of the shank end of the bit.
REFERENCES:
patent: 810602 (1906-01-01), Baar
patent: 1436974 (1922-11-01), Michalczyk
patent: 2582574 (1952-01-01), Woodside
patent: 2811184 (1957-10-01), Brzozowski
Bray W. D.
Jacobson Harvey B.
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