Magnetic tape recording and reproducing apparatus preventing axi

Details Magnetic tape recording and reproducing apparatus preventing axi Magnetic tape recording and reproducing apparatus preventing axi

1997-07-31

1999-03-16

Evans, Jefferson

Dynamic magnetic information storage or retrieval

Record transport with head moving during transducing

Tape record

360107, G11B 552

Patent

active

058837515

ABSTRACT:
A magnetic tape recording and reproducing apparatus prevents vibration caused by rotation of a rotary drum constituting a rotary head cylinder. The magnetic tape recording and reproducing apparatus includes a drum base having a through-hole, a static drum fixed on the drum base, a rotary drum having at least one head for recording and reproducing a signal on and from a magnetic tape, and a shaft which penetrates the central axis of the rotary drum and the static drum and is bearing-coupled with the rotary drum. An axial support portion which is engaged with the shaft, and inserted into the through-hole of the drum base, elastically supports the shaft so that the shaft maintains the central axial direction during rotation of the rotary drum, with a result that an axial vibration caused by the rotation of the rotary drum can be prevented.

REFERENCES:
patent: 4890177 (1989-12-01), Katoh et al.
patent: 5021908 (1991-06-01), Morimoto et al.
patent: 5151839 (1992-09-01), Ota
patent: 5729407 (1998-03-01), Koh et al.

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