Patent ID: 7920373

Claim:
A cover unit, comprising: a cover to open and close an opening in a main body by rotating around a shaft, the cover including: a first end portion hinged by the shaft to the main body, a second end portion opposite the first end portion, including an engagement portion provided on a side facing the opening in the main body, and a deformable portion provided in the second end portion, deformable toward the main body when pressed; a push latch unit disposed in the main body to lock and unlock the cover, the push latch unit including an engagement pawl to engage the engagement portion of the cover; and a rotation stopper disposed between the cover and the opening, to inhibit the cover from rotating before the engagement portion of the cover engages the engagement pawl, wherein, when the second end portion is pressed while the rotation stopper prohibits the cover from rotating, the engagement portion of the cover overstrides the engagement pawl and is engaged or disengaged from the engagement pawl of the push latch unit.