Headdrum fitted with component coated with diamond-type carbon

A head drum assembly for use in a VCR includes a rotating shaft with a diamond-like carbon ("DLC") coating; a rotary drum fitted tightly around the rotating shaft; a stationary drum, fitting around the rotating shaft, and incorporating a set of DLC coated bearing surfaces; and an axial thr...

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Bibliographische Detailangaben
1. Verfasser:	KIM KEUM-MO
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:	A head drum assembly for use in a VCR includes a rotating shaft with a diamond-like carbon ("DLC") coating; a rotary drum fitted tightly around the rotating shaft; a stationary drum, fitting around the rotating shaft, and incorporating a set of DLC coated bearing surfaces; and an axial thrust bearing means. Such a head drum assembly allows smooth rotation by using herring-bone shaped grooves or protrusions in conjunction with DLC coatings in the appropriate bearing surfaces.