Electricity: circuit makers and breakers – Switch activation inhibitor – Actuator locking device
Patent
1986-04-03
1987-07-07
Marcus, Stephen
Electricity: circuit makers and breakers
Switch activation inhibitor
Actuator locking device
200 4301, H01H 928
Patent
active
046788743
ABSTRACT:
A substantially totally enclosed radio-cassette car radio mountable in an automobile dashboard, by which all operative parts thereof are enclosed within the protective casing, and there being a combination lock-type set of dials of a combination lock mounted inside the protective casing operatively locking the volume knob at zero volume when the lock is in a locked state, and the connections within the protective casing preventing access thereto in absence of destroying the radio.
REFERENCES:
patent: 1524815 (1925-02-01), Chessman
patent: 1740210 (1929-12-01), Tobin
patent: 1873484 (1932-08-01), Rosine
patent: 2170780 (1939-08-01), Massey
patent: 2819357 (1958-01-01), Pangborn
patent: 3760131 (1973-09-01), Ford et al.
patent: 3774049 (1973-11-01), Coleman
patent: 4081751 (1978-03-01), Maddaloni
patent: 4248069 (1981-02-01), Burbank
patent: 4331895 (1986-05-01), Caruso
patent: 4481512 (1984-11-01), Tscheulin et al.
Nakamich, "Mobile Sound System", brochure, Feb. 1983.
Cusick Ernest G.
Marcus Stephen
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