Title:
動圧気体軸受装置および光偏向走査装置
Document Type and Number:
Japanese Patent JP3578434
Kind Code:
B2
Abstract:
A dynamic-pressure gas bearing structure includes a sleeve (3), a column-like shaft (2) fitted to the sleeve (3), and a plurality of shallow grooves (21) formed on the outer peripheral surface of the shaft (2) and extending in the axial direction of the shaft (2). The shallow grooves (21) are formed by grinding in which grains are aligned to the aforementioned axial direction. An optical deflection scanning apparatus is provided with such dynamic-pressure gas bearing structure.
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Inventors:
Fukida Taku
Mikio Nakasugi
Issei Sato
Kaoru Murabe
Tetsuya Katayama
Osamu Komura
Mikio Nakasugi
Issei Sato
Kaoru Murabe
Tetsuya Katayama
Osamu Komura
Application Number:
JP26776696A
Publication Date:
October 20, 2004
Filing Date:
September 18, 1996
Export Citation:
Assignee:
Canon Inc
Sumitomo Electric Industries, Ltd.
Sumitomo Electric Industries, Ltd.
International Classes:
B41J2/44; F16C17/02; F16C33/10; F16C33/24; F16C39/06; G02B26/12; (IPC1-7): F16C17/02; B41J2/44; F16C33/24; G02B26/10
Domestic Patent References:
| JP58224324A | ||||
| JP58163818A | ||||
| JP59128924U | ||||
| JP8110491A | ||||
| JP2093115A | ||||
| JP2150504A | ||||
| JP9014257A | ||||
| JP2005610U |
Attorney, Agent or Firm:
Yoshiro Sakamoto