Title:
BEARING MECHANISM AND ROTATIONAL MECHANISM APPLIED WITH THE SAME
Document Type and Number:
Japanese Patent JPH08221894
Kind Code:
A
Abstract:
PURPOSE: To prevent rotational characteristics such as rotational accuracy from being degraded by reducing abrasion due to slidings of bearing surfaces generated when starting or stopping a revolving motion.
CONSTITUTION: Fluid lubricant material is interposed among respective bearing surfaces 3a, 2a, 4a performing relative motions, and a helical groove 3b is provided on the bearing surface 3a. In this bearing mechanism of a dynamic pressure fluid system, a projection surface part 3c constituting the groove 3b is formed with solid lubricant material.
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Inventors:
UEMATSU MASAYA
Application Number:
JP2530295A
Publication Date:
August 30, 1996
Filing Date:
February 14, 1995
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
B41J2/44; F16C17/10; F16C33/10; F16C33/14; G02B26/10; G02B26/12; G11B19/20; (IPC1-7): G11B19/20; B41J2/44; G02B26/10
Attorney, Agent or Firm:
Takehiko Suzue