Patent ID: 8225656

Claim:
An electric device, comprising: a case having a substantially box shape and an opened end surface; a cover including a lid surface for covering the end surface of the case; a hinge, arranged between the case and the cover, for opening/closing the case and the cover; and an engagement section for holding a closed state of the case and the cover, wherein the engagement section includes: (i) an engaged portion arranged in the case and including a shaft member having a shaft portion substantially orthogonal to an inner surface of the case, and a bearing member for fixing the shaft member with a distal end thereof projecting from a guide hole end surface of a shaft member pushing portion; and (ii) an engaging portion including a coupling component provided with an attachment piece attached to the cover, and a substantially horseshoe shaped portion connected to an end of the attachment piece and defining an elongated cutout, wherein an inner surface on a front end side of the substantially horseshoe shaped portion and the guide hole end surface, and an outer surface on a back end side of the substantially horseshoe shaped portion and the inner surface of the case are respectively combined when a lid is closed; and wherein the engaged portion is caused to pass through the cutout so that a long hole at a front end side of the cutout is formed so as to have a size capable of closely attaching to and fitting to the shaft member, and a long hole at the back end side is formed so as to have a size capable of closely attaching and fitting to the bearing member.