Global Patent Index - EP 4166415 A1

EP 4166415 A1 20230419 - SPRING DEVICE FOR SUPPORT OF RAIL SWITCHING

Title (en)

SPRING DEVICE FOR SUPPORT OF RAIL SWITCHING

Title (de)

FEDERVORRICHTUNG ZUR UNTERSTÜTZUNG DES UMSTELLENS VON SCHIENENWEICHEN

Title (fr)

RESSORT POUR SUPPORT DE COMMUTATION DE RAIL"

Publication

EP 4166415 A1 20230419 (EN)

Application

EP 21202857 A 20211015

Priority

EP 21202857 A 20211015

Abstract (en)

Spring device (1) for support of a railway switch, which spring device comprises a casing (2, 2b), via which casing the spring device is connected to a railway sleeper or other fixed part of the railway switch, a sledge part (4) located inside and connected to the casing, a rod member (3) expending through the sledge part and the casing at least from one side of the casing, which rod member is configured to be connected to at least one switch blade of the railway switch from at least one of its ends, and at least one accumulator (23) connecting the sledge part and the rod member for providing torque to the movement of the rod member in relation to the sledge part, wherein the sledge part (4) and/or rod member (3) comprises at least a part (26a, 26b, 33) of a device for confirming the correct positioning of the rod member in relation to the sledge part during adjustment of the spring device (1). The invention also relates to a method for adjusting such a spring device (1).

IPC 8 full level

B61L 5/10 (2006.01); B61L 5/02 (2006.01); E01B 7/20 (2006.01)

CPC (source: EP)

B61L 5/10 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4166415 A1 20230419

DOCDB simple family (application)

EP 21202857 A 20211015