Abstract: An electronic device includes a housing, frame, and a lock attachment mechanism. The housing includes a front cabinet, and back cabinet which has opening and is attached to the front cabinet. The frame is disposed in the inside of the housing. The lock attachment mechanism includes lock attachment portion and hook portion. The lock attachment portion includes a pull-out portion with a hole disposed therein, and a leg portion protruding from the pull-out portion. The hook portion includes fixing portions attached to frame, and grappling portions that hook the leg portion with the pull-out portion being pulled out, and that form a gap through which the pull-out portion can be pulled out. The device further includes back cabinet having a holder. The holder restricts a movable range of lock attachment portion and holds the leg portion such that lock attachment portion is disposed at a location which allows the pull-out portion to be pulled out through opening.

Abstract: An electronic device includes a housing, frame, and a lock attachment mechanism. The housing includes a front cabinet, and back cabinet which has opening and is attached to the front cabinet. The frame is disposed in the inside of the housing. The lock attachment mechanism includes lock attachment portion and hook portion. The lock attachment portion includes a pull-out portion with a hole disposed therein, and a leg portion protruding from the pull-out portion. The hook portion includes fixing portions attached to frame, and grappling portions that hook the leg portion with the pull-out portion being pulled out, and that form a gap through which the pull-out portion can be pulled out. The device further includes back cabinet having a holder. The holder restricts a movable range of lock attachment portion and holds the leg portion such that lock attachment portion is disposed at a location which allows the pull-out portion to be pulled out through opening.

Abstract: A stack type mobile terminal for enabling the user to easily add only a necessary option cabinet from among different types of option cabinets eliminating the need for electric connection of the user is provided. A stack type mobile terminal 100 includes a main body cabinet 110 functioning as a telephone, a plurality of option cabinets 120 stacked on the rear of the main body cabinet 110, a rotation supporting point shaft in the stack direction, provided in the option cabinet 120 for the main body cabinet 110 and the option cabinet 120 to relatively rotate, rotation supporting point holes into which the rotation supporting point shaft is inserted, and a contact mechanism for electrically connecting the cabinets when the main body cabinet 110 and the option cabinet 120 or the option cabinets 120 are positioned at a predetermined relative angle, wherein the main body cabinet 110 and the option cabinet 120 relatively rotate, whereby the function section of the option cabinet 120 can be exposed.

Abstract: A stack type mobile terminal for enabling the user to easily add only a necessary option cabinet from among different types of option cabinets eliminating the need for electric connection of the user is provided. A stack type mobile terminal 100 includes a main body cabinet 110 functioning as a telephone, a plurality of option cabinets 120 stacked on the rear of the main body cabinet 110, a rotation supporting point shaft in the stack direction, provided in the option cabinet 120 for the main body cabinet 110 and the option cabinet 120 to relatively rotate, rotation supporting point holes into which the rotation supporting point shaft is inserted, and a contact mechanism for electrically connecting the cabinets when the main body cabinet 110 and the option cabinet 120 or the option cabinets 120 are positioned at a predetermined relative angle, wherein the main body cabinet 110 and the option cabinet 120 relatively rotate, whereby the function section of the option cabinet 120 can be exposed.