Apparatus having rotary member

Details Apparatus having rotary member Apparatus having rotary member

1990-10-31

1992-07-14

Picard, Leo P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

174254, 360106, 901 48, H05K 100

Patent

active

051308959

ABSTRACT:
An apparatus having a rotary member rotatable around a shaft mounted on a base and to which a flexible printed circuit board is attached. The flexible printed circuit board is attached to the rotary member at an end thereof, and is fixed via the base at the other end thereof. The flexible printed circuit board has a bent portion between both ends thereof. The bent portion of the flexible printed circuit board is pushed by a pushing member which is mounted on the base so that the direction of an elastic force exerted by the bending of the flexible printed circuit board against the rotary member coincides approximately to the center axis of the shaft irrespective of the position of the rotary member. As a result of that a moment around the shaft, caused by the elastic force, to which moment the rotary member is subjected, is approximately zero.

REFERENCES:
patent: 5014145 (1991-05-01), Hosokawa et al.
patent: 5025335 (1991-06-01), Stefansky
IBM Technical Disclosure Bulletin "Disk Drive For Interchangeable Flexible Disk Cartridges" by M. W. J. Carmichael and N. A. Feliss vol. 20 No. 11A Apr. 1978.
IBM Technical Disclosure Bulletin "Actuator Assembly For a Disk File" by J. P. G. Dunman, R. O'Regan and J. C. Troke vol. 20 No. 5, Oct. 1977.

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