Speed transferring system for a lathe

Machine element or mechanism – Gearing – Interchangeably locked

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Details

74344, F16H 332

Patent

active

058627057

ABSTRACT:
A speed transferring system includes an input shaft having a first input gear and a second input gear, a middle shaft having a slidable engaging member which includes a first middle gear, a second middle gear and a third middle gear. The first, second and third middle gears are connected with each other. An output shaft has a first output gear and a second output gear. A shaft driven by a motor has a shifting device which retains the first middle gear so as to alternately engage the engaging member with the first input gear, the second input gear, the first output gear and the second output gear.

REFERENCES:
patent: 1013977 (1912-01-01), Wheelock
patent: 1059434 (1913-04-01), Butler
patent: 1246568 (1917-11-01), Eberhardt
patent: 1490591 (1924-04-01), Congellier
patent: 4664217 (1987-05-01), Welch et al.

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