Zero back lash phase adjusting mechanism

Details Zero back lash phase adjusting mechanism Zero back lash phase adjusting mechanism

1990-08-28

1990-08-28

Braun, Leslie A.

Machine element or mechanism

Gearing

Adjustable

74640, F16H 126, F16H 148

Patent

active

049515187

ABSTRACT:
An electro-mechanical device for accurately retarding or advancing the timing or rotational phase relationship of machine components, such as a pair of shafts, either while the components are in motion or stationary. The device embodies a motor controlled cycloidal gear reducer operable to generate a rotational differential or relative movement between a pair of rotatable gears. Each shaft is coupled to one of the gears for movement therewith. The stator of the motor rotates with one of the gears and the rotor thereof, when energized, rotates relative to the stator and drives a generator for effecting differential rotation of the two gears and thus the two machine components.

REFERENCES:
patent: 3324746 (1967-06-01), Kari
patent: 4044274 (1977-08-01), Ohm
patent: 4286476 (1981-09-01), Stiff
patent: 4566352 (1986-01-01), Stiff

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