Railway switches and signals – Switches
Patent
1980-10-02
1982-10-26
Reeves, Robert B.
Railway switches and signals
Switches
46 1K, 246219, B61L 506, B61L 1108, E01B 700
Patent
active
043557767
ABSTRACT:
A track switch assembly for toy electrically operated railroad trains comprising a plastic base having the usual main and branch lines and switch point arrangement therefor, in which the inside rails and the power rails of the main and branch lines are interrupted and have mounted in the interruptions a main line continuity rail structure and a branch line continuity rail structure that are electrically insulated for separate energizing and that are shaped for continuous electrical energy supply as the locomotive and cars one by one pass through the switch. Energization and switching of the switch points is effected in an opposite manner using a pair of oppositely acting throw bars disposed transversely under the track and actuated by an actuation mechanism in turn actuated by oppositely acting solenoid coils energized through separate trigger circuits closed by contacts energized by the locomotive wheels, with one of the bars having a contact plate or strip to energize the continuity rail structure of the line being used for transit, and the other throw bar throwing the switch as needed. Optional manual push button operation is also provided for.
REFERENCES:
patent: 1671971 (1928-06-01), Cooper
patent: 2202546 (1940-05-01), Bonanno
patent: 3126179 (1964-03-01), Bonanno
patent: 3918665 (1975-11-01), Alimanestianu et al.
Beltran Howard
Reeves Robert B.
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