Turning – Severing or cut-off – Interrelated means for tool infeed and circumrotation
Patent
1974-12-27
1976-04-20
Hinson, Harrison L.
Turning
Severing or cut-off
Interrelated means for tool infeed and circumrotation
408 72R, B23B 2302, B23B 3900
Patent
active
039510204
ABSTRACT:
An improved centering assembly for a lathe in which a drill is axially housed in a rotatable centre for the lathe. The drill is movable from a retracted position within the centre to an extended position where it axially projects from the centre to drill a centre hole in a workpiece.
REFERENCES:
patent: 707573 (1902-08-01), Fleming
patent: 2430997 (1947-11-01), Schmidt, Jr.
patent: 3099173 (1963-07-01), Paslawsky et al.
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