Rotary head assembly having fluid thrust and radial bearings

Details Rotary head assembly having fluid thrust and radial bearings Rotary head assembly having fluid thrust and radial bearings

1981-11-17

1984-12-25

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

36013024, G11B 552, G11B 2104

Patent

active

044907591

ABSTRACT:
In a rotary head assembly for magnetic recording and reproducing apparatus such as VTR, fluid or hydraulic radial and thrust bearings are provided between a stationary sleeve whose one end is closed fluid-tightly and a rotary shaft rotatably extended into said stationary sleeve, whereby the rotary head assembly may be made compact in size and easy to assemble, may rotate with a higher degree of reliability and may completely seal lubricant.

REFERENCES:
patent: 3981024 (1976-09-01), Mo et al.
patent: 4031558 (1977-06-01), Kusaka
patent: 4251840 (1981-02-01), Maruyama et al.
patent: 4266255 (1981-05-01), Camras
patent: 4301487 (1981-11-01), Maruyama

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