Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1991-02-06
1992-08-11
Beha, Jr., William H.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 71, 310 90, 310 51, H02K 714, H02K 708, H02K 1100, H02K 524
Patent
active
051382091
ABSTRACT:
Disclosed is a spindle motor comprising: a housing, a hub member which is rotatable with respect to the housing and to which a recording member is attached, and a bearing arranged between the housing and the hub member and having an outer member which is rotatably attached thereto through the intermediation of a plurality of spherical members, the hub member being fixed to the above-mentioned outer member by press fitting or shrinkage fitting, and the inner periphery of the hub member being equipped with an annular recess in correspondence with a ball lodging grooved formed on the outer member.
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Chuta Masanobu
Nagashima Yoshikiyo
Nishimura Hideki
Yonei Hiroyuki
Beha Jr. William H.
LaBalle C.
Nippon Densan Corporation
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