Bogey frame sensor for railcar mover

Details Bogey frame sensor for railcar mover Bogey frame sensor for railcar mover

2006-04-27

2008-12-16

Le, Mark (Department: 3617)

Railways

Traction

Pusher

Reexamination Certificate

active

07464651

ABSTRACT:
A railcar moving or positioning system incorporating relatively simple mechanical bogey frame side member sensing systems mounted on each dog carriage of a railcar indexing system is disclosed. Each sensing system is used to control the operation of a dog mounted on the same carriage. A mechanical follower device is employed to sense the underside of an encountered bogey frame side member. Deflection of the follower is used to operate a hydraulic valve which, in turn, is used as a control cylinder to raise or lower an adjacent dog member.

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