SPINDLE SUPPORT MECHANISM

PURPOSE:To always obtain the stable and high rotation accoracy of spindle by using a coiled spring capable of supplying constant urging force not to be influenced by a temperature change. CONSTITUTION:A first urging means and a second urging means for urging outer races 3a, 4a of radial ball bearing...

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Bibliographische Detailangaben
1. Verfasser:	TOSHIMITSU MANABU
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LIGHTING MECHANICAL ENGINEERING PHYSICS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To always obtain the stable and high rotation accoracy of spindle by using a coiled spring capable of supplying constant urging force not to be influenced by a temperature change. CONSTITUTION:A first urging means and a second urging means for urging outer races 3a, 4a of radial ball bearings 3, 4 are provided in direction of the rotating central axis and in the radial direction, respectively. The second urging means compries a bearing holder 31 brought into contact with the outer periph ery of ther outer races 3a, 4a of the radial ball bearings 3, 4 and coiled springs 32, 33 for pressing the bearing holder 31 toward the outer races 3a, 4a. In this arrangement, stable and high rotation accuracy of a spindle can be always obtained.