Head drum assembly for use in a video cassette recorder

Details Head drum assembly for use in a video cassette recorder Head drum assembly for use in a video cassette recorder

1995-09-20

1997-10-14

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 552, G11B 2104

Patent

active

056778163

ABSTRACT:
The head drum assembly for use in a VCR, which is capable of preventing a resonance, comprises a rotating shaft, a flange, a rotary drum, a plurality of heads, an upper and a lower sets of bearings, a stationary drum, a motor rotor and a motor stator, a pre-pressing boss, and a flexible assembly and a rigid assembly. The flexible assembly and the rigid assembly are coupled, in turn, to a portion of the rotating shaft between the pre-pressing boss and a top surface of the motor rotor and to an end portion of the rotating shaft protruding from bottom of the motor rotor, respectively.

REFERENCES:
patent: 4890177 (1989-12-01), Katoh et al.
patent: 5051852 (1991-09-01), Kohno et al.

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