Coupling gear

Machine element or mechanism – Gearing – Adjustable

Patent

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Details

74568R, 123 9015, F01L 134, F16H 5304

Patent

active

056692668

ABSTRACT:
A coupling gear for transmitting rotation of a first shaft onto a second shaft has a first coupling wheel fixedly connected to the first shaft and a second coupling wheel fixedly connected to the second shaft. A third coupling wheel is driven by the first coupling wheel and a fourth coupling wheel is driven by the third coupling wheel and drives the second coupling wheel. A first coupler couples the rotational axle of the first coupling wheel and the rotational axle of the third coupling wheel. A second coupler couples the rotational axle of the third coupling wheel and the rotational axle of the fourth coupling wheel. A third coupler couples the rotational axle of the fourth coupling wheel and the rotational axle of the second coupling wheel. A control device for adjusting with a control movement the rotational phase of the first and second shafts has a control element for adjusting the angle between the first, second, and third couplers. The control device also has a friction member movable into frictional engagement with at least one of the coupling wheels to thereby aid the control movement initiated by the control device.

REFERENCES:
patent: 1622491 (1927-03-01), Coatalen
patent: 1622492 (1927-03-01), Coatalen
patent: 2279413 (1942-04-01), Read
patent: 4942777 (1990-07-01), Fife

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