Speed reducer

Planetary gear transmission systems or components – Planet periphery surrounds axis of interacting gear – Wabbler transmission

Patent

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Details

F16H 128

Patent

active

053838211

ABSTRACT:
A speed reducer has simple in structure with a few number of parts and yet can provide a large reduction ratio. Side plates are arranged opposite to each other and are formed on the surfaces thereof opposite to each other with fixed gears. An input shaft is supported by one of the side plates. An input plate having an inclined surface is fixed to the inner end of the input shaft. An output shaft is supported by the other side plate. An output plate is mounted on the output shaft through a universal joint and is kept in contact with the inclined surface of the input plate through a plurality of balls. The output plate is provided with movable gears on both sides thereof near its outer circumference and is swayed in such a way that the teeth of the movable gears are brought into meshing engagement with the fixed gears one after another.

REFERENCES:
patent: 3895540 (1975-07-01), Davidson

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