Double head supporting mechanism for magnetic disk drive

Details Double head supporting mechanism for magnetic disk drive Double head supporting mechanism for magnetic disk drive

1986-09-19

1988-07-12

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360104, 360106, G11B 554, G11B 555, G11B 2122, G11B 2108

Patent

active

047574046

ABSTRACT:
A double head supporting mechanism for a magnetic disk drive including an arm body and a carriage. The arm body includes an upper arm and a lower arm which are supported at their rear ends in a mutually rotatable manner. Both arms support an upper head and a lower head, respectively. Both of these heads hold a magnetic disk from both sides, at a mutually facing position, by having the magnetic disk inserted between them. The carriage is able to make reciprocal movement along the direction of the disk diameter. The arm body is held on its rear end side by the carriage in such a manner that it can swing freely by means of a common supporting spring. Both heads are constructed with a design so that they can follow the vertical deviation of the magnetic disk caused during rotation of the disk. The carriage is provided with a stopper to stop the lower arm from moving excessively. One of the heads is fixed to one of the arms, while the other head is held by the other arm through a gimbal spring in an inclinable manner. The common supporting spring is disposed along nearly the same plane as that of the magnetic disk.

REFERENCES:
patent: 4151573 (1979-04-01), Tandon et al.
patent: 4306260 (1981-12-01), Maeda et al.
patent: 4343025 (1982-08-01), Kronfeld et al.
patent: 4355339 (1982-10-01), King et al.
patent: 4658315 (1987-04-01), Seki et al.

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