Point machine for movable frogs

Details Point machine for movable frogs Point machine for movable frogs

2007-01-30

2007-01-30

Le, Mark T. (Department: 3617)

Railway switches and signals

Switches

Tie bars

C246S449000

Reexamination Certificate

active

10523564

ABSTRACT:
In a switch actuator for movable frogs (1), comprising at least one cylinder piston unit (5) having a defined preset piston stroke, the cylinder piston unit (5) is connected with bearings (6) capable of being displaced in the axial direction of the piston stroke, which bearings are connected with a stationary substructure for the adjustment of a defined center position of the piston stroke and the driver for the movable frog (1). The driver for the movable frog (1) is coupled with the cylinder piston unit (5) with first stops (9) displaceable in the axial direction being interposed.

REFERENCES:
patent: 1253439 (1918-01-01), Stiles
patent: 1446743 (1923-02-01), Fisher
patent: 1744604 (1930-01-01), Arledge
patent: 3521053 (1970-07-01), Munch et al.
patent: 3723728 (1973-03-01), von Hayn
patent: 5292091 (1994-03-01), Callegari et al.
patent: 6056244 (2000-05-01), Durchschlag et al.
patent: 6511024 (2003-01-01), Bonfigli
patent: 6789770 (2004-09-01), Schnedl
patent: 4305228 (1994-08-01), None
patent: 320636 (1989-06-01), None
patent: 467865 (1992-01-01), None
patent: WO 02/055361 (2002-07-01), None

Affiliated with

Also associated with

Rating

Point machine for movable frogs does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Point machine for movable frogs, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Point machine for movable frogs will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3728965