Device for loading the main body of a platform containing at lea

Details Device for loading the main body of a platform containing at lea Device for loading the main body of a platform containing at lea

1983-02-16

1986-02-18

Heinz, S. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 554, G11B 2122

Patent

active

045716480

ABSTRACT:
An actuator for loading the main body of a platform having at least one read/write transducer associated with a data medium comprising at least one rigid movable arm (4), a flexible spring plate (10) attached to the rigid arm at one of its ends and supporting the platform (12) at its other end, the flexible plate (10) generating a force for pressing the main body against the data medium (14). The actuator is characterized in that flexible plates (10) are arranged in pairs, and means are provided for acting simultaneously upon the ends of two flexible plates (10) in order to bring them closer together. The means for acting simultaneously on the ends of two flexible plates are formed by two inclined cam profiles which act on a edge of a hole or slot provided in and along the central axis of each flexible plate and by means for shifting these cam profiles in relation to the edges of the flexible plates. The cam profile exerts on the flexible plate an action which can be broken up into a component force in the direction of the flexible plate and a component force perpendicular thereto. The first component force comes into equilibrium by the reaction of a fixed support. The second component force produces the desired effect of bringing the two flexible plates closer together.

REFERENCES:
patent: 3646536 (1972-02-01), Bleiman
patent: 4019205 (1977-04-01), Salmond

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