Oil-impregnated sintered bearing and method of producing the same

PROBLEM TO BE SOLVED: To provide a sintered oil retaining bearing capable of obtaining high durability without damaging a rotary shaft and the bearing itself even though the rotary shaft is inclined inside the bearing by receiving large shearing load. SOLUTION: The sintered oil retaining bearing has...

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Bibliographic Details
Main Authors SHIMIZU TERUO, MARUYAMA TSUNEO
Format Patent
LanguageChinese
English
Published 18.06.2008
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 sintered oil retaining bearing capable of obtaining high durability without damaging a rotary shaft and the bearing itself even though the rotary shaft is inclined inside the bearing by receiving large shearing load. SOLUTION: The sintered oil retaining bearing has a bearing hole 3 with a circular cross section supporting the rotary shaft 2 on a bearing body 1 made of sintered metal. The bearing hole 3 is provided with a shaft supporting portion 3a with a uniform diameter having the inside of the bearing hole 3 functioning as a frictional surface and tapered enlarged diameter portions 3b and 3c formed continuously with the shaft supporting portion 3a and arranged on both sides of the bearing hole 3 at an axial direction by enlarging its diameter outwardly. The distance between a straight line L1a extending an inclined surface of one enlarged diameter portion 3b and a straight line L1b extending an inclined surface of the other enlarged diameter portion 3c being opposite with
Bibliography:Application Number: CN2004808633