Head drum assembly for tape recorder and method of assembling the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 8, 2008
Grant Date -
Jun 2, 2005
app pub date -
Nov 24, 2004
filing date -
Nov 28, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A head drum assembly for a tape recorder maintains a substantially constant preload and reduces manufacturing costs. The head drum assembly includes a shaft fixed to a center of a stationary drum, a rotary drum installed to an upper portion of the stationary drum to be rotated by the shaft and having a rotor, a stator installed to an upper portion of the rotary drum to face the rotor, a bearing interposed between the shaft and the rotary drum that rotatably supports the rotary drum, a spring resiliently supporting an inner race of the bearing, and a drum cover fixed with the stator and fixed to the shaft to apply a substantially constant pressure to the bearing and to substantially constantly maintain a spacing between the stator and the rotor.
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Family
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Cited Art Landscape
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