Actuator

Details Actuator Actuator

1995-12-15

1998-11-03

LaBalle, Clayton E.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 90, 310 42, 744248R, H02K 706, H02K 516

Patent

active

058313605

ABSTRACT:
An actuator is designed such that the output shaft of an AC servo motor is rotatably supported on both sides thereof by respective bearing means. This output shaft, the rotor of the AC servo motor, secured to the output shaft, and both bearing means of the AC servo motor can be pulled out together as a unit from inside of the stator of the AC servo motor during disassembly. Another actuator is designed such that the output shaft of an AC servo motor is rotatably supported on both sides thereof by respective bearing means, loads to be respectively applied to the bearing means are transmitted to a housing disposed around the AC servo motor without going through the stator of the AC servo motor, one of the bearing means is fixed in its axial direction and the other bearing means has axial play in its axial direction.

REFERENCES:
patent: 2329151 (1943-08-01), Brady
patent: 3518471 (1970-06-01), Wightman
patent: 3916231 (1975-10-01), Cathey
patent: 4492906 (1985-01-01), Goto et al.
patent: 4593217 (1986-06-01), Levine
patent: 4633664 (1987-01-01), Mueller-Storz et al.
patent: 4796352 (1989-01-01), Kawada
patent: 4844625 (1989-07-01), Katsuzawa et al.
patent: 4955128 (1990-09-01), Sogabe et al.
patent: 5028073 (1991-07-01), Harms
patent: 5117138 (1992-05-01), Trian
patent: 5166565 (1992-11-01), Katsuzawa et al.
patent: 5235228 (1993-08-01), Nakanura et al.

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