Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1996-12-27
1999-03-23
LaBalle, Clayton
Electrical generator or motor structure
Dynamoelectric
Rotary
310 40MM, 310 49R, 310 43, 310194, 310254, 384610, 384420, H02K 3700, H02K 516, F16C 1910
Patent
active
058864385
ABSTRACT:
According to this invention, in a stepping motor in which bearings are disposed at two end portions of a motor shaft which is coaxially fixed to a magnet rotor, one bearing of the motor shaft arranged in a motor case, a bobbin serving as a coil frame, and the positioning portion of the motor holder are integrally formed of a resin. In addition, two projecting pieces that protrude outward are formed on the bearing on the motor holder side of the stepping motor. A projecting portion is formed on each projecting piece. A positioning rotation regulating hole which is fitted on the projecting portion to regulate rotation and an opening for passing the projecting piece are provided to the bearing support portion of the motor holder.
REFERENCES:
patent: 4107559 (1978-08-01), Patel
patent: 4352036 (1982-09-01), Kuwako
patent: 4700251 (1987-10-01), Fuke et al.
patent: 4841193 (1989-06-01), Matsushita et al.
patent: 5298822 (1994-03-01), Bosman et al.
patent: 5465020 (1995-11-01), Peterson
patent: 5486054 (1996-01-01), Nagata et al.
Canon Kabushiki Kaisha
LaBalle Clayton
Nguyen Tran N
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