Patent ID: 8593822

Claim:
An electronic apparatus provided with a component attachment portion to which an electrical component can be detachably attached, comprising: a casing that accommodates an electric circuit board; a component attachment portion on the circuit board, to which an electrical component can be detachably attached; an opening portion formed in the casing to permit access to the component attachment portion, the casing defining a peripheral wall of the opening; and cover with which the opening portion can be opened and closed, the cover being secured to the casing to close the opening portion and being plate-shaped; wherein the cover: can be elastically deformed in a thickness direction; and fit the opening portion to close the opening portion; the cover has a first surface that faces the interior of the casing when the opening portion is closed with the cover, the first surface defining a convex shape due to restoration of the cover from the elastic deformation when the cover is released from the casing; and the cover has a first end with an upper surface that contacts a lower surface of the peripheral wall and a second end with a lower surface that contacts an upper surface of the peripheral wall when the opening portion is closed, with the second end of the cover being secured to the casing.