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

1995-12-18

1997-10-07

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 84, G11B 552, G11B 1561

Patent

active

056754574

ABSTRACT:
A head drum assembly for use in a video cassette recorder includes a rotating shaft, a rotary drum coupled with the rotating shaft, a stationary drum attached to the rotating shaft under the rotary drum, a rolling bearing disposed between the rotating shaft and the upper part of the stationary drum, and a sliding bearing disposed between the rotating shaft and the lower part of the stationary drum.

REFERENCES:
patent: 4301487 (1981-11-01), Marujama
patent: 4316225 (1982-02-01), Marujama et al.
patent: 4363047 (1982-12-01), Maruyama et al.
patent: 4706143 (1987-11-01), Asada et al.
patent: 4972283 (1990-11-01), Kim
patent: 5019926 (1991-05-01), Van Thuijl et al.
patent: 5442506 (1995-08-01), Kang
patent: 5453892 (1995-09-01), Hasegawa et al.

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