Communications: electrical – Land vehicle alarms or indicators – Electromagnetically actuated mechanical signal
Patent
1990-06-04
1991-07-30
Orsino, Joseph A.
Communications: electrical
Land vehicle alarms or indicators
Electromagnetically actuated mechanical signal
340433, 340480, 340490, 3404255, 116 63R, B60Q 100, B60Q 126, G08B 524, E01F 910
Patent
active
050363077
ABSTRACT:
Apparatus for activating a stop sign on a bus from a retracted to an extended position and vice versa. The apparatus includes a motor coupled, via a rotary-to-reciprocating motion translator, to the stop sign. A rotor is connected to the motor and forms a part of the motion translator. The rotor includes an electrically conductive element at a discrete location on its periphery for sequentially engaging respective ones of a pair of elements located at fixed positions on diametric sides of the rotor. The fixed elements are connected via relays to the motor and an electrical power source to control the operation of the motor so that when the bus door is open the stop sign is extended and when the door is closed the sign is retracted.
REFERENCES:
patent: 2144813 (1939-01-01), Roan et al.
patent: 3134062 (1964-05-01), Held
patent: 3153398 (1964-10-01), Runkle et al.
patent: 4138668 (1990-02-01), Latta, Jr. et al.
patent: 4315170 (1982-02-01), Penn
patent: 4559518 (1985-12-01), Lotta, Jr.
patent: 4956630 (1990-09-01), Wicker
Heath Raymond
Reavell James
Nguyen Franklin V.
Orsino Joseph A.
School Bus Parts Co. of Canada Inc.
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