Numerically controlled reversible gear system for removing backl

Details Numerically controlled reversible gear system for removing backl Numerically controlled reversible gear system for removing backl

1975-09-04

1976-11-23

Gerin, Leonard H.

Machine element or mechanism

Gearing

Backlash take-up

F16H 5518

Patent

active

039929612

ABSTRACT:
A numerically controlled reversible gear system with a main output gear using two driving gears with a same number of teeth each coupled to respective one of a pair of pulse motors with same specifications connected to a single controlling equipment, wherein the driving gears are meshed with said main gear after rotationally shifting them in opposite direction by a same number of teeth within a range of attraction of respective phase of the pulse motors and either one gear acts as a driving element depending upon the direction of rotation so as to eliminate backlash of the main gear.

REFERENCES:
patent: 3478514 (1969-11-01), Parker
patent: 3889549 (1975-06-01), Fieuzal et al.

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