Motorized positioner

Details Motorized positioner Motorized positioner

1986-08-29

1988-02-23

Staab, Lawrence

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74788, 74801, 74479, 343882, F16H 344, H01Q 302

Patent

active

047262591

ABSTRACT:
A motorized positioner comprising a compact arrangement of two-stage sun and planetary gear sets. The first stage planetary gears are reacted by an internal ring gear of an upper housing. The second stage planetary gears are reacted by an internal ring gear of both upper and lower housings, thereby creating relative rotation between upper and lower housing portions. The drive motor is mounted on the upper housing which comprises the output shaft.

REFERENCES:
patent: 3081648 (1963-03-01), Duer
patent: 3596538 (1971-08-01), Braun
patent: 3792629 (1974-02-01), Applebury
patent: 4040312 (1977-08-01), Tappan et al.
patent: 4280376 (1981-07-01), Rosen
patent: 4580461 (1986-04-01), Sears et al.
patent: 4626864 (1986-12-01), Micklethwaite
patent: 4652887 (1987-03-01), Cresswell

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