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Patent Searching and Data


Title:
BEARING MOTOR
Document Type and Number:
Japanese Patent JP2003134760
Kind Code:
A
Abstract:

To provide a bearing motor capable of rotatively driving a driven shaft without using a coupling, and downsizing and space-saving by extremely reducing sizes in the diameter direction and the axial direction.

The bearing motor is configured such that: a number of roll rotors 53 are turnably arranged between an external ring body 51 and an internal ring body 52; a holder 54 that holds the roll rotors 53 in peripheral directions of the external ring body 51 and the internal ring body 52 at nearly constant intervals; and the roll rotors 53 are made to self-rotate by the principle of a DC motor so as to make either of the external ring body 51 and the internal ring body 52 rotate.


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Inventors:
FUKUYAMA HIROMASA
SHODA YOSHIO
SAKATANI IKUNORI
Application Number:
JP2001329879A
Publication Date:
May 09, 2003
Filing Date:
October 26, 2001
Export Citation:
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Assignee:
NSK LTD
International Classes:
F16C19/26; F16C33/34; F16C33/46; F16C33/58; H02K16/00; H02K23/04; (IPC1-7): H02K16/00; F16C19/26; F16C33/34; F16C33/46; F16C33/58; H02K23/04
Attorney, Agent or Firm:
Tetsuya Mori (2 others)