Rail switch lock for points tongues
AssigneeSchreck-Mieves GmbH
InventorsDieter Grunwald, Jens Böcker
Life of this patent
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Abstract
This invention relates to a switch lock for switch tongues (2, 3) having at least one locking piece (6, 7) for attaching to a stock rail (4, 5), having at least one switch tongue attachment (8, 9) for attaching to a switch tongue (2, 3) and having a slide rod (10), wherein the adjustment distance of the slide rod (10) is greater than the switch tongue impact (Z) of the switch tongues (2, 3), and in its end position, the switch tongue (2, 3) is locked on the stock rail (4, 5), wherein at least one bearing roller (17, 18) is provided on the locking piece, and wherein the slide rod (10) can be moved relative to the locking piece (6, 7) by means of the bearing rollers (17, 18) to adjust the switch tongue (2, 3).
Claims12
A switch lock for operating switch tongues between stock rails in a changeover operation comprising:
- at least one locking piece that attaches to the stock rail;
- at least one switch tongue attachment that attaches to the switch tongue;
- a slide rod having an adjustment distance greater than a switch tongue extension of the switch tongue, wherein the switch tongue is locked on the stock rail in a locked position;
- at least one bearing roller disposed on said at least one locking piece, permitting said slide rod to move relative to said at least one locking piece to adjust the switch tongue;
- an angle lever coupled to said slide rod via a pin joint and coupled to said at least one switch tongue attachment via a pin joint, wherein said angle lever has a free end, and wherein said angle lever rolls on said at least one bearing roller;
- wherein said angle lever works with said at least one bearing roller to lock and adjust the switch tongue so that said angle lever pivots with said free end about an articulation point on said a:
- least one switch tongue attachment in adjusting said slide rod in said locked position.
Dependencies are inferred from the claim text.