Remote control train warning apparatus

Communications: electrical – Traffic control indicator – Portable

Patent

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Details

340473, 34082569, 34082572, 340901, 3409081, 246125, G08G 1095

Patent

active

056821506

ABSTRACT:
A train warning device has a ladder frame with barrier sign hingedly mounted for movement by an electric motor between positions folded against the frame between the tracks and upstanding transversely from the tracks. Releasable clamping arms are mounted at the top and bottom of ladder uprights for securement thereof to track ties and enabling passage of a train thereover when folded. A signal receiver/micro computer mounted on the ladder frame controls the motor operation in response to a signal received from a hand held remote controller. A battery mounted on the ladder frame supplies power to the electric motor, signal receiver and other devices such as lamps to ensure independent operation. The barrier sign is profiled as a flagman with a sprung warning arm carrying a stroboscopic lamp. The ladder frame can be used to access the track from an elevated platform.

REFERENCES:
patent: 1832812 (1931-11-01), Keenan
patent: 2829362 (1958-04-01), Terril
patent: 3060406 (1962-10-01), Luright
patent: 3867718 (1975-02-01), Moe
patent: 3886519 (1975-05-01), Hovland
patent: 4713910 (1987-12-01), Quante
patent: 4879554 (1989-11-01), Diaz-Silveira
patent: 4901071 (1990-02-01), Fletcher
patent: 4941284 (1990-07-01), Stoller
patent: 5118056 (1992-06-01), Jeanise
patent: 5422638 (1995-06-01), Singer et al.

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