Antitheft car audio set with removable control box

Claim 1

A separating apparatus for a control box of a car audio set, comprising: a housing body, a face plate having a concave well, a main frame having a tension spring hanging on the inner wall thereof, a contact block assembly positioned between said face plate and said frame, and a control box which is separable from said face plate, said control box being receivable in and detachable from said concave well of said face plate, said control box comprising a housing having a number of longitudinal slots on the rear face thereof, a plurality of switches and a circuit board connected to said switches, said circuit board having a number of contact members which are engageable through said longitudinal slots, said concave well of said face plate having a longitudinal slot, said contact block assembly comprising a contact block and a contact block frame, said contact block having a plurality of contact pins provided forwardly thereof, said contact block frame having a forwardly protruding portion having a number of longitudinal slots communicating with said longitudinal slots of said control box for receiving said contact pins of said contact block and two opposite bosses through which said main frame and said contact block frame are connected, said tension spring being provided between said main frame and said contact block for biasing said contact block toward the inner wall of said main frame, said contact pins, when moved forward against the bias of the tension spring, contacting said contact members of said circuit board.