Railways – Switches – For toothed rail
Patent
1975-03-17
1976-08-03
Wood, Jr., M. H.
Railways
Switches
For toothed rail
246415R, E01B 700
Patent
active
039722937
ABSTRACT:
A switch is disclosed for a railroad transporation system comprising parallel car-supporting rails defining railroad tracks which bifurcate at rail switching station into two branch tracks and rotatable drive shafts which extend along a line between the parallel car-supporting rails and which also bifurcate at the switching station into first and second branch lines. The switch comprises a first car-supportable swing gate rail mounted at the switching station for movement between a position traversing the first branch line and a position aside the first branch line. A second car-supportable swing gate rail is also mounted at the switching station for movement between a position traversing the second branch line and a position aside the second branch line.
A method is also disclosed for driving a car over parallel rails through a switching station having a pivotal ral with a cam follower mounted thereto overlaying a rotatable drive shaft extending between the parallel rails and with the car having a drive wheel in rotatable driving engagement with the drive shaft and a camming surface extending from ahead of to aside of the drive wheel. The method includes the steps of rotating the rotatable drive shaft; engaging the drive wheel with the rotating drive shaft causing the car to advance over the parallel rails into engagement with the cam follower causing the pivotal rail mounted thereto and overlaying the rotating drive shaft to pivot aside of the drive shaft; and advancing the car over the rail with the drive wheel in engagement with the rotating shaft passing aside the pivotal rail.
REFERENCES:
patent: 3356039 (1967-12-01), Fonjen et al.
patent: 3552321 (1971-01-01), Priebe
patent: 3672308 (1972-06-01), Segar
patent: 3783793 (1974-01-01), Perrott
patent: 3827370 (1974-08-01), Hill
Bertsch Richard A.
The Aid Corporation
Wood, Jr. M. H.
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