Dual metal laminate tolerance ring for acoustic and vibration damping

A disc drive, includes a base, a disc stack rotatably attached to the base, and an actuator assembly movably attached to the base. The actuator assembly includes arms on one end for holding the one or more transducers and a portion of a voice coil motor on the other end of the actuator assembly. A b...

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Bibliographische Detailangaben
1. Verfasser:	ALLSUP DAVID S
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 disc drive, includes a base, a disc stack rotatably attached to the base, and an actuator assembly movably attached to the base. The actuator assembly includes arms on one end for holding the one or more transducers and a portion of a voice coil motor on the other end of the actuator assembly. A bearing cartridge is attached to an opening in the actuator assembly. A tolerance ring is used to attach the bearing cartridge to the opening in the actuator assembly. The tolerance ring includes a dampening material therein. The tolerance ring includes a layer of viscoelastic material which can be a viscoelastic damping adhesive material. The viscoelastic material is sandwiched between the first layer of metallic material and the second layer of metallic material. The tolerance ring includes a plurality of ridges formed about the periphery of the tolerance ring.