Precision drive and speed reduction device

Details Precision drive and speed reduction device Precision drive and speed reduction device

1991-07-16

1993-08-03

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 75D, 310 49R, 464 79, H02K 710, H02K 3722, H02K 3724, F16D 304

Patent

active

052332470

ABSTRACT:
A method and device for precisely driving a rotary object includes a motor ounted in a housing and a reduction device comprising first and second harmonic drives, which connect the motor to the object to be driven via an output shaft. The output shaft is connected to the object to be driven via an adapter cup and a bellows which is stiff in torsion but which tolerates misalignments between the drive device and the object. All elements are designed to maximize stiffness and precision and to minimize backlash while maintaining maximum concentricity between the elements.

REFERENCES:
patent: 1501187 (1924-07-01), Rayfield
patent: 1752106 (1930-03-01), Persons
patent: 2936644 (1960-05-01), Miller
patent: 3495108 (1970-02-01), Van Buskirk
patent: 3735165 (1973-05-01), Touchman et al.
patent: 3757147 (1973-09-01), Lyman, Jr.
patent: 4087709 (1978-05-01), Haydon
patent: 4709178 (1987-11-01), Burr
patent: 5043613 (1991-08-01), Kurata et al.

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