Cabinet for electronic communications apparatus

Claim 1

A spherical cabinet to completely enclose an electronic communications equipment chassis, said cabinet being separable about the mid-plane to define semi-spherical upper and lower portions, a circular front panel, two side panels, and a removable back plate, each of the circumferential margins of said upper and lower portions being provided with three oppositely disposed semi-circular recesses to define with the corresponding recesses of the other portion openings to receive said front and side panels, said semi-circular recesses being provided with arcuate grooves within which the circumferential margins of said panels are received, means formed integral with said panels and semi-spherical upper and lower portions to prevent relative angular movement of the panels in said openings, the margins of each of said upper and lower protions being also provided with fourth oppositely disposed recesses to define with each other a fourth opening to removably receive said back plate, said recesses being spaced from each other to provide intervening portions of the circumferential margins of said upper and lower portions to abut against each other in mating engagement, said portions in mating engagement being provided with complementary interengaging protrusions and recesses, means to attach said upper and lower portions to an equipment chassis contained within the cabinet to retain said panels in their respective positions, said fourth recess in the semi-spherical portions including a pair of spaced integral protrusions to position one edge of the back plate in the fourth opening, said plate including a pair of integral spaced protrusions also coacting with said protrusions in the fourth recess to permit the plate to be removed when the cabinet is assembled.