Differential gearing with phase adjustment

Details Differential gearing with phase adjustment Differential gearing with phase adjustment

1993-11-03

1995-05-16

Marmor, Charles A.

Planetary gear transmission systems or components

Input from independent power sources

Worm gear in drive train

475221, F16H 146

Patent

active

054155959

ABSTRACT:
Differential gearing is provided between an input shaft and an output shaft. The gearing comprises a pair of similar gear sets mounted in confronting, coaxial relation, and may comprise known differential gearing such, for example, as planetary gearing or harmonic drive gearing. A control effects differential speeds between the input and output shafts. A spring loaded friction clutch acts between the input and output shafts, and parallel with the differential gear sets, to reduce the loading on the gear sets, and to provide an essentially zero backlash torque connection between the input and output shafts. The friction clutch may be used to provide loading or drag to a gear set at the end of a series of gears.

REFERENCES:
patent: 1317075 (1919-09-01), Couse
patent: 2363201 (1944-11-01), Popoff
Harmonic Drive, "HDB Phasing Differential Gear Sets", 1990, pp. 1-3.

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