PURPOSE: To enable to mount a kitchen device to a wall which cannot be done in the conventional installation by clamping a mounting plate having a slide type engaging unit to the wall, and engaging a projection formed on the back surface of the device by sliding the device, to clamp them.

CONSTITUTION: A body 1 has two rail-shaped projections 4 on the back surface. First, a mounting plate 5 is mounted on the wall so that the end having the hole 8 of the sliding engaging unit 7 is disposed downside, and the body 1 is slid from lower, the projection 4 formed on the back of the body 1 is thus engaged with a T-shaped slot of the engaging unit 7 of the plate 5, clamped laterially and longitudinally, and are eventually clamped in the elevational movement by the upper and lower clamps 10 and mounting screws 11 provided on the lower portion of the back of the body 1.