Rotary head assembly

Details Rotary head assembly Rotary head assembly

1992-01-03

1994-06-28

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head moving during transducing

Tape record

360108, G11B 5027

Patent

active

053252489

ABSTRACT:
A rotary head assembly has a first positioning surface and a second positioning surface provided in a rotary yoke. The first positioning surface contacts an end surface of a rotor of a rotary transformer. The second positioning surface contacts an outer peripheral surface of the rotor of the rotary transformer. A rotary yoke is fixed on the rotor by magnetic force by a motor. The rotary yoke is positioned by the first positioning surface in a thrust direction, and by the second positioning surface in a radial direction. Thus, the rotary yoke can be easily and precisely attached.

REFERENCES:
patent: 4031558 (1977-06-01), Kusaka
patent: 4117519 (1978-09-01), Shioyama et al.
patent: 4875110 (1989-10-01), Kazama et al.
Patent Abstract of Japan, vol. 13, No. 505 (P-959) (3853) Nov. 14, 1989 "Revolving Head Device" Hitachi Ltd.
Patent Abstract of Japan vol. 14, No. 419 (P-1103) (4362) Sep. 10, 1990 "Rotary Head Device" Matsushita Electric Ind. Co. Ltd.

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