| 摘要 |
A radiotelephone comprising first and second housing portions connected by a hinge, the hinge comprising a mounting structure on the first housing portion; a shaft projecting into the mounting structure and rotatably connecting the mounting structure and the second housing portion and thereby defining an axis of rotation of the hinge, the shaft including a cam portion; spring means located in the mounting structure and including a pair of limbs elongate parallel to the axis of the shaft, the limbs converging to engage partway along their lengths the cam portion so as to apply a rotational bias to it, whereby the first and second housing portions can adopt an open bias position and a closed position; and a transducer located between the limbs in a region beyond the projecting end of the shaft.
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