Rolling device for a displaceable cross frog

Details Rolling device for a displaceable cross frog Rolling device for a displaceable cross frog

2006-06-20

2006-06-20

Le, Mark T. (Department: 3617)

Railway switches and signals

Switches

Chairs and plates

Reexamination Certificate

active

07063293

ABSTRACT:
In a roller device (6,7) for a movable point of frog (1), including a sliding strip (18) and at least one roller (11) and at least one roller bearing (12) fixed to a stationary part of the switch, the roller(s) (11) is/are mounted on an arm (19) of a double-armed lever (10). The pivot bearing (12) of the lever (10) is arranged in a support (13) connected with a stationary part of the switch, wherein the arm (18) facing away from the roller(s) (11), of the double-armed lever (10) is pivotable against a spring (19) with adjustable spring power.

REFERENCES:
patent: 5501418 (1996-03-01), Humphrey et al.
patent: 5628480 (1997-05-01), Vrsecky et al.
patent: 0 389 851 (1990-10-01), None
patent: 0 692 570 (1996-01-01), None
patent: 0 740 021 (1996-10-01), None
patent: 1 055 778 (2000-11-01), None
patent: WO 94/26976 (1994-11-01), None
patent: WO 01/06060 (2001-01-01), None

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