Head adjustment mechanism

Details Head adjustment mechanism Head adjustment mechanism

1980-03-03

1982-07-20

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 2124, G11B 556

Patent

active

043409199

ABSTRACT:
A head adjustment mechanism comprises an adjustment screw having two male threaded sections cut in the same direction but at different pitches. The adjustment screw has an upper end portion in screw engagement with the upper portion of the head mount and a lower end portion put in screw engagement with the base member. Thus, with one rotation of the adjustment screw the head supported by the upper portion of the head mount is vertically displaced to an extend corresponding to the difference of the pitches of the two thread sections, so that fine adjustment of the head can be obtained.

REFERENCES:
patent: 2859084 (1958-11-01), Raddin
patent: 2912519 (1959-11-01), Simmons
patent: 3047866 (1962-07-01), Stover
patent: 3196215 (1965-07-01), Casey et al.
patent: 3936882 (1976-02-01), Lane
patent: 3939495 (1976-02-01), Nagai
patent: 3978522 (1976-08-01), Rothlisberger et al.
patent: 4158868 (1979-06-01), Jenkins
IBM Tech. Disc. Bull., I. Pejcha, Head Adjustment Tool, vol. 12, No. 3, Aug. 1969, p. 410.
IBM Tech. Disc. Bull., R. R. Rynders, Adjustable Head Mount, vol. 22, No. 9, Feb. 1980, pp. 3961-3962.

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