To provide an anti-friction device for a switch, which can be replaced in a short period of time without the replacement of a floor slab, even in the case of the existing floor slab.
The anti-friction device A for the switch is used for supporting a tongue rail T from below by a supporting roller 10, when the tongue rail T is shifted with respect to a stock rail R, in a turnout of a railroad rail. The anti-friction device A comprises a mounting bracket 1 which is fixed to a sleeper 5, and a roller unit 7 which is demountably fixed to the mounting bracket 1. The roller unit 7 is equipped with one supporting roller 10, and a roller supporting frame 7F for supporting the supporting roller. The roller supporting frame 7F and the mounting bracket 1 are fastened together via fastening means 22a and 22n.
COPYRIGHT: (C)2008,JPO&INPIT
SUZUKI YOSHIYA
SHIOMI TAMAKI
SUMIYOSHI KENJI
IRIE TAKAAKI
KONISHI MASANARI
MORI TOSHIHIRO
YAMATO TRACKWORK SYSTEM CO LTD
| JPS365053B1 | ||||
| JPS3014706Y1 | ||||
| JP2000265402A | 2000-09-26 |
| DE1658366A1 | 1970-10-22 | |||
| US5482231A | 1996-01-09 | |||
| DE1056641B | 1959-05-06 | |||
| US6189840B1 | 2001-02-20 | |||
| EP1050623A2 | 2000-11-08 |
Yasu Furukawa
Toshio Nishitani
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