Point switch

Details Point switch Point switch

1979-04-17

1980-07-01

Frankfort, Charles E.

Railway switches and signals

Switches

Sliding

246380, 246392, E01B 708

Patent

active

042103002

ABSTRACT:
This invention relates to an improvement in a point switch in which the switch blades or tongues are composed of rail sections of the trunk or main track and are displaceably positioned on slide chairs in the transverse rail direction, the improvement comprising a shaft on which each slide chair is slidingly mounted between two bearing blocks, one of the bearing blocks being inside the track and the other of the bearing blocks being outside of the track, welds rigidly connecting the bearing blocks with a joint base plate, and two rods on each chair parallel to the shaft, a first one of the rods being adapted to contact a stop in a recess in the outside bearing block, and a second one of the rods being adapted to contact a lock in a recess in the outside bearing block, whereby in an unlocked condition the first one of the rods contacts the stop, and in a locked condition the second one of the rods contacts the lock.

REFERENCES:
patent: 3977635 (1976-08-01), Pirker et al.

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