Variable ratio transmission systems

Details Variable ratio transmission systems Variable ratio transmission systems

1977-12-22

1980-11-11

Braun, Leslie

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74687, 74861, 74865, B60K 4116

Patent

active

042325706

ABSTRACT:
A transmission system is disclosed in which a stepped-ratio system having a conventional gearbox is combined with a short range, smoothly adjustable-ratio system to give a continuous range of transmission ratios through and beyond the fixed ratio steps of the gearbox.
An arrangement is described in which all the variable parameters of the system are commanded by an electrically operated control system in response to a single demand signal from an operator.

REFERENCES:
patent: 3238816 (1966-03-01), Schottler
patent: 3242753 (1966-03-01), Standing et al.
patent: 3324740 (1967-06-01), Lewis et al.
patent: 3534631 (1970-10-01), Keller
patent: 3834499 (1974-09-01), Candellero et al.
patent: 3885472 (1975-05-01), Wakamatsu et al.

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