Sleeper-mounted railroad-switch actuator

Details Sleeper-mounted railroad-switch actuator Sleeper-mounted railroad-switch actuator

2006-07-04

2006-07-04

Jules, Frantz F. (Department: 3617)

Railway switches and signals

Signals

Switch or switch stand

C246S41500R, C246S221000, C246S393000

Reexamination Certificate

active

07070152

ABSTRACT:
A railroad switch actuator has a transversely extending box sleeper having a pair of ends, adapted to be secured to a pair of longitudinally extending fixed rolling rails, and adapted to slidably support a pair of longitudinally extending and transversely shiftable switch tongues. A switch rod extends transversely in the box sleeper, is connected to the tongues, is centered on a transverse axis, and is displaceable along the transverse axis to shift the tongues. A drive having an output shaft is supported on one end of the sleeper by a hinge for pivotal movement between a down position outboard of the one sleeper end and with the output shaft axially aligned with the switch rod and an up position between the sleeper ends.

REFERENCES:
patent: 1572089 (1926-02-01), Schryock
patent: 1770421 (1930-07-01), Nell
patent: 1802875 (1931-04-01), Conley
patent: 2315243 (1943-03-01), Bussler
patent: 4093163 (1978-06-01), Larsson
patent: 5292091 (1994-03-01), Callegari et al.
patent: 5562267 (1996-10-01), Heim
patent: 5620156 (1997-04-01), Berggren et al.
patent: 6158698 (2000-12-01), Click et al.

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