Motor drive system with wire-wound flexible coupling

Details Motor drive system with wire-wound flexible coupling Motor drive system with wire-wound flexible coupling

2005-12-13

2005-12-13

Dunwoody, Aaron (Department: 3679)

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Torque transmitted via flexible element

Element has plural convolutions wound about rotational axis

C464S040000, C464S060000

Reexamination Certificate

active

06974386

ABSTRACT:
A motor drive system includes a motor having a rotary motor output shaft, a driven component, and a flexible coupling connecting the motor output shaft to the driven component. The flexible coupling is a helix formed of a first wound wire. The helix has a helix unbonded free length that is less than about two times a helix outer diameter. The approach is particularly suitable for miniature motors and their driven components, wherein the motor output shaft has a shaft diameter of less than about 3 millimeters and the helix outer diameter is less than about 3 millimeters.

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