Turning – Severing or cut-off – Interrelated means for tool infeed and circumrotation
Patent
1982-06-14
1984-10-16
Vlachos, Leonidas
Turning
Severing or cut-off
Interrelated means for tool infeed and circumrotation
29 64, B23B 1902
Patent
active
044767528
ABSTRACT:
A lathe whose hollow horizontal work spindle has a rear end portion extending from the headstock and carrying the chuck actuating mechanism. A discrete prime mover at the outside of the headstock transmits torque to the end portion of the work spindle through a separable transmission whose case is centered by a collar provided at the exterior of the headstock and surrounding the end portion of the work spindle. The transmission has an input element which receives torque from the prime mover, e.g., through a clutch or coupling, and a set of toothed members one of which is removably mounted on the end portion of the work spindle and another of which meshes with the one toothed member and is driven by the input element. The transmission can constitute a variable-ratio gear transmission, a constant-ratio gear transmission or a belt transmission wherein the second toothed member is an internally toothed belt.
REFERENCES:
patent: 980614 (1911-01-01), DeLeeuw
patent: 2022436 (1935-11-01), Schauer et al.
patent: 2054018 (1936-09-01), Gilchrist
patent: 2988942 (1960-06-01), Garberding
patent: 3785227 (1974-01-01), Wolff
EMAG Maschinenfabrik GmbH
Kontler Peter K.
Vlachos Leonidas
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