Pantograph head mount having double leaves integral with a rigid

Details Pantograph head mount having double leaves integral with a rigid Pantograph head mount having double leaves integral with a rigid

1990-02-07

1991-09-10

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360105, 360107, 360 77, G11B 556

Patent

active

050478834

ABSTRACT:
A pantographic head mount includes a pair of generally parallel flexible arms each solidly based at an inboard end and solidly affixed at an outboard end to a rigid structure that carries a magnetic head and is driven by an electromagnetic motor positioned to hold the head continuously normal to a recording medium while traversing across the medium. The structure is particularly adapted to resist torsional deformation. The two arms may be structured to have different resonant frequencies, and beating resonance between the arms during high-speed operation is avoided. However, in such case, the structures of the two arms are carefully matched to ensure that they still maintain the head continuously normal to the recording medium. In another embodiment, the arms have differently reticulated structural configurations to present incongruent but equal-area cross-sections at various points along the arm lengths. The two arms may also be formed with differently shaped transverse corrugations or unlike wavy shapes as viewed from the side.

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R. R. Rynders, W. L. Grabowski and J. T. Ma IBM Tech. Disc. Bulletin Damped Slider Mount--Aug. 1968 vol. 11 No. 3 pp. 248 and 250.

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