Keyboard enclosure assembly

An enclosed keyboard, including (i) a keyboard having a main top surface comprising an array of keys thereon extending upwardly from the main top surface, with upper portions of said keys being above the main top surface, and with the main top surface being surrounded by side and rear margins and a frontal surface of the keyboard, and (ii) an enclosure assembly for said keyboard, the enclosure assembly comprising a U-shaped member resting on the side and rear margins of the keyboard below said upper portions of said keys and with an upper surface adjacent to said upper portions of said keys, and a cover member comprising a main top portion joined at its front edge to a front flange portion downwardly depending therefrom, the cover member being cooperatively matable with the U-shaped member, with the upper surface of said U-shaped member providing support for side edges of said cover member, with the cover member front flange portion covering the keyboard along said frontal surface thereof, and with the main top portion of the cover member covering the array of keys, said cover member having a bottom surface with at least one recess therein positioned and configured to receive and closely overfit at least some of the keys in the array of keys, to retain the cover member in a substantially spatially fixed position with the cover member overlying the keys and with the cover member and the U-shaped member together enclosing the keyboard over its top and peripheral surfaces.