Control mechanism for railway switches

Details Control mechanism for railway switches Control mechanism for railway switches

1988-06-09

1989-08-29

Reeves, Robert B.

Railway switches and signals

Switches

Lock

E01B 702

Patent

active

048609781

ABSTRACT:
A rail switch control mechanism including a locking clamp which is shiftable using a path rod. The locking clamp has, on an end facing the switch tonque, a swivel head. The swivel head is swivelably connected with a switch tongue. In use, the locking clamp cooperates with a locking piece. In the locked position of the clamp, a shoulder of the locking clamp contacts a shoulder of the locking piece. The switch tongue rail is linked to the swivel head with the interposition of a pin arranged with an elongated slot extending longitudinally of the tongue rail. The elongated slot is arranged within a connecting member which is rigidly connected to the switch tongue rail, e.g. by being threadedly connected, to the web of the switch tongue rail.

REFERENCES:
patent: 394943 (1888-12-01), Strom
patent: 951107 (1910-03-01), Einstein
patent: 962698 (1910-06-01), Conley
patent: 2177148 (1939-10-01), Newhall
patent: 3977635 (1976-08-01), Pirker et al.

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