Friction reducing piezoelectric feed guide mechanism

Details Friction reducing piezoelectric feed guide mechanism Friction reducing piezoelectric feed guide mechanism

1988-11-18

1991-09-17

Levy, Stuart S.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Having power driven transducer assembly

369219, 369244, 360104, 360105, G11B 1900, G11B 1730, G11B 524, G11B 548

Patent

active

050501577

ABSTRACT:
A feed guide mechanism for guiding a reciprocating movable member with a guide member having tabular elastic members forming a guide surface for guiding the reciprocal movement of the movable member on one surface thereof. A piezoelectric member with alternately polarized portions are attached to an opposite surface of the guide member. The piezoelectric member undergoes a polarization so that application of an alternating current produces a standing wave to urge the movable member upward and reduce friction.

REFERENCES:
patent: 4188645 (1980-02-01), Ragle et al.
patent: 4302830 (1981-11-01), Hamaoka et al.
patent: 4479051 (1984-10-01), Musha
patent: 4538191 (1985-08-01), Suzuki et al.
patent: 4605977 (1986-08-01), Matthews
patent: 4745589 (1988-05-01), Nomura
patent: 4955598 (1990-09-01), Hiroshige et al.

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