AUTOMATIC OPEN/CLOSE MODULE OF FOLDER TYPE PORTABLE TELEPHONE

摘要

An automatic opening and closing module of a folder type mobile phone is provided to remove an unnecessary load of a motor generated by a slide cam and rotate a folder only as amount as necessary when the folder is incompletely opened or closed. A cam housing includes a housing body(52) with a guide face(15) and a housing cap(51) for covering one side of the housing body(52). A hinge shaft(41) is included within the cam housing and one side thereof is engaged with the guide face(15). A gear shaft(42) is insertedly combined with the hinge shaft(41) such that the gear shaft(42) can be inserted in any direction. When the gear shaft is rotated, it is integratedly driven with the hinge shaft(41). An elastic member(12) is positioned between the housing cap(51) and the hinge shaft(41) and the gear shaft(42) is inserted at the center of the elastic member(12). A geared motor unit(30) transfers driving force to the gear shaft(42).