ROTARY HEAD ASSEMBLY FOR MAGNETIC RECORDING AND REPRODUCING DEVICE

ROTARY HEAD ASSEMBLY FOR MAGNETIC RECORDING AND REPRODUCING DEVICE

PURPOSE:To easily obtain prescribed accuracy, by constituting a rotary cylinder of a plastic, and forming the slidable contact plane of a spiral group bearing by a metallic insert member, such as an aluminum alloy, etc. CONSTITUTION:A metallic insert member 8, such as the aluminum alloy, etc., is mo...

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1. Verfasser: NAKATSU KIMIHIDE
Format: Patent
Sprache:eng
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INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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creator NAKATSU KIMIHIDE
description PURPOSE:To easily obtain prescribed accuracy, by constituting a rotary cylinder of a plastic, and forming the slidable contact plane of a spiral group bearing by a metallic insert member, such as an aluminum alloy, etc. CONSTITUTION:A metallic insert member 8, such as the aluminum alloy, etc., is mounted at the inner periphery of a rotary cylinder 2 made of the plastic, and an inner peripheral plane 8A is formed on the slidable contact plane of the spiral group bearing. Thus, since the slidable contact plane 8A is formed by the metallic insert member made of the aluminum alloy, etc., the change in the lapse of time in dimension accuracy due to the absorption of lubricating oil from the slidable contact plane 8A of the spiral group bearing, is completely eliminated, and the forming accuracy of the slidable contact plane 8A of the spiral group bearing can be easily obtained.
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subjects INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title ROTARY HEAD ASSEMBLY FOR MAGNETIC RECORDING AND REPRODUCING DEVICE
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