Switchable high speed frog mechanism

Details Switchable high speed frog mechanism Switchable high speed frog mechanism

1993-07-16

1995-02-21

Huppert, Michael S.

Electricity: transmission to vehicles

Conductors

Trolley

246419, 246460, 246462, E01B 710, B60M 114

Patent

active

053907728

ABSTRACT:
A high speed frog including a ductile iron main pan casting having an integral straight approach runner, an integral straight exit runner, and an integral exit turnout runner, a movable runner having a pair of guide rails, an electric solenoid for rotating the movable runner so that one of said pair of guide rails is cooperatively associated with the stationary runner, diverts a sliding contact shoe to the turn-out runner, a mechanical deflector engageable for resetting the movable runner so that the other of the pair of guide rails engages the integral straight approach runner, and a renewable runner insert disposed between integral straight approach runner and the respective guide rails of the movable runner.

REFERENCES:
patent: 473362 (1892-04-01), Short
patent: 1252400 (1918-01-01), Coalson
patent: 1534178 (1925-04-01), Hoffman
patent: 2099494 (1937-11-01), Matthes
patent: 2299914 (1942-10-01), Matthes
patent: 2316441 (1943-04-01), Lewis
patent: 2359437 (1944-10-01), Matthes
patent: 2360064 (1944-10-01), Lewis
patent: 2393388 (1946-01-01), Lewis
patent: 2494409 (1950-01-01), Richterkessing
patent: 2710316 (1955-06-01), George

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