Device for mechanically and electrically checking the...

Details Device for mechanically and electrically checking the... Device for mechanically and electrically checking the...

2007-03-20

2007-03-20

Le, Mark T. (Department: 3617)

Railway switches and signals

Electric actuation

Switch or signal actuated controllers

C246S220000, C246S449000, C246S162000

Reexamination Certificate

active

10332893

ABSTRACT:
In a device for checking the operation of devices (4) used to displace movable switch parts (2, 3), in which the movable switch parts (2, 3) are connected with each other by a coupling rod (13), the coupling rod (13) is comprised of two coupling rod parts (14, 15) that are relatively movable in the axial direction. Sensors (34, 35) are provided for the detection of at least two different displacement positions of the coupling rod parts (14, 15).

REFERENCES:
patent: 2091155 (1937-08-01), Merkel
patent: 2740041 (1956-03-01), Marcum
patent: 5806809 (1998-09-01), Danner
patent: 6062514 (2000-05-01), McQuistian
patent: 6296208 (2001-10-01), Franke
patent: 6427950 (2002-08-01), Hoyer et al.
patent: 1957120 (1971-05-01), None

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