Carrier for mounting pairs of magnetic heads to a drum-type tape

Details Carrier for mounting pairs of magnetic heads to a drum-type tape Carrier for mounting pairs of magnetic heads to a drum-type tape

1975-10-14

1977-04-05

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 2124, G11B 556

Patent

active

040166007

ABSTRACT:
A carrier plate for use in mounting a pair of magnetic heads at diametrically opposite sides on a rotatable head drum section facilitates positioning adjustments to remove dihedral head positioning error. Independent dihedral position adjustment is made possible by virtue of a specially shaped slot in the carrier plate, which slot is characterized by two guide edges that are perpendicular to the head pair axis and are adapted to closely engage a shaft or other axis-identifying means associated with the drum section. Such guide edges in cooperation with the shaft permit relative movement between the carrier plate and drum section in a direction to correct dihedral error while blocking movement in directions which would disturb other alignment geometries. In a preferred implementation, the carrier plate has a generally disc-like form.

REFERENCES:
patent: 3029318 (1962-04-01), Fay et al.
patent: 3679838 (1972-07-01), Salcedo et al.

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