Apparatus having rotary member

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.

Dependencies are inferred from the claim text.