PLASTIC BEARING

PROBLEM TO BE SOLVED: To provide a plastic bearing that can restrain vibrations of a rotating shaft and allow the rotating shaft to rotate smoothly for a long time.SOLUTION: A plastic bearing includes a cylindrical body part 3 having a shaft hole 2 for rotatably holding a rotating shaft at a central...

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Bibliographic Details
Main Authors TAKAHASHI TORU, MIYAZAWA SHUHEI, SASAKI MASAHIRO
Format Patent
LanguageEnglish
Published 13.03.2014
Subjects
BEARINGS
BLASTING
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To provide a plastic bearing that can restrain vibrations of a rotating shaft and allow the rotating shaft to rotate smoothly for a long time.SOLUTION: A plastic bearing includes a cylindrical body part 3 having a shaft hole 2 for rotatably holding a rotating shaft at a central portion. A plurality of first ribs 4 radially protrude from the outer surface of the body part 3, and a second rib 5 protruding in the circumferential direction is formed at a central portion in the longitudinal direction of the body part 3. A drum-shaped concave portion 6 is formed at a middle portion of the shaft hole 2. The first ribs 4 are formed in an arc shape so that they have the maximum height at the central portion in the longitudinal direction of the body part 3. The height of the second rib 5 is equal to the height of the first ribs 4 at the central portion in the longitudinal direction of the body part 3.
Bibliography:Application Number: JP20120186482