Portable telephone having a detachable functional module

Claim 1

A portable telephone comprising: a body having a speaker, a microphone, switch means, and a printed wiring board on which transmitting and receiving circuit parts and logic circuit parts are mounted; a functional module mounting member rotatably mounted to said body and having a first connector; a flexible printed wiring board for connecting said printed wiring board to said first connector; holding means for rotatably holding said functional module mounting member to said body, said holding means including biasing means for exerting a biasing force to said functional module mounting member so as to maintain said functional module mounting member at a stable position when said functional module mounting member is rotated relative to said body, said holding means comprising: a mounting projection integrally formed with said body and having a pair of holes formed therein; a sleeve integrally formed with said functional module mounting member, said sleeve being rotatably inserted through one of said holes, said flexible printed wiring board being accommodated in said sleeve; a shaft rotatably inserted through the other of said holes, said shaft having one end fixed to said functional module mounting member and having a plate portion formed adjacent the other end thereof; and a U-shaped spring fixed to said body so as to nip said plate portion of said shaft; and a functional module detachably mounted to said functional module mounting member, said functional module having a second connector adapted to engage said first connector.