Railway switches and signals – Switches – Point
Patent
1981-05-14
1984-09-04
Peters, Jr., Joseph F.
Railway switches and signals
Switches
Point
238124, 238143, 246455, 246458, 246468, 246471, E01B 712
Patent
active
044692994
ABSTRACT:
According to the invention a railway turnout comprises two wing rails and a point, carried on a frog, which includes a nose, the running surface of which is substantially co-planar with the running surfaces of the rail of the turnout, the wing rails being provided with tread surface inserts inclined upwardly above the plane of the running surfaces, the incline of the wing rails extending longitudinally along the wing rails towards the heels thereof and commencing at a point corresponding to the point of deviation from the gauge line, of the wing rail, the tread surface of the wing rails being shaped, in cross section, from the edge adjacent the gauge line, at an angle corresponding to the shape of the average worn car wheel and the angles of the incline and the slope being dependent on the taper on the wheels and on the angle of deflection of the turnout.
REFERENCES:
patent: 197099 (1877-11-01), Cooke
patent: 354493 (1886-12-01), Stratton
patent: 626250 (1899-06-01), Taylor et al.
patent: 1185739 (1916-06-01), Von Bartheld
patent: 1389144 (1921-08-01), Keough
patent: 1763472 (1930-06-01), Magee
patent: 1784211 (1930-12-01), Vissat
patent: 2012807 (1935-08-01), Caruthers
patent: 4005839 (1977-02-01), Frank
patent: 4362282 (1982-12-01), Frank
Hill Mitchell J.
Peters Jr. Joseph F.
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