FIXED-SHAFT HELICAL DRUM STRUCTURE WITH THE SHAFT SUPPORTED AT BOTH ENDS
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United States of America Patent
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Issued Date -
Jan 11, 2007
app pub date -
Jun 30, 2006
filing date -
Jul 8, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A drum assembly (20, 20(7)) for a helical scan recorder comprises a stationary first drum (22) and a shaft (24) having a shaft first end (26) centrally mounted to the first drum and a shaft second end (28). The drum assembly further comprises a rotatable second drum (32) which has at least one transducing element (34) mounted thereon. The shaft (24) extends axially through the second drum (32) and the shaft second end (28) protrudes axially above the second drum (32). The drum assembly also comprises a physical support member (40, 40(7)) connected to the first drum (22). The physical support member (40, 40(7)) is connected to the first drum (22) and also connected to stabilize the shaft second end (28) while allowing rotation of the second drum (32). The physical support member (40, 40(7)) is connected to the shaft second end (28) to reduce deflection of the shaft second end (28) when the drum assembly is exposed to external vibration or shock.
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