Fastening rail in railway slide chair assembly
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United States of America Patent
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Jan 25, 2011
Issued Date -
N/A
app pub date -
Jun 10, 2005
filing date -
Jun 11, 2004
priority date (Note) -
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Abstract
A rail fastening apparatus fastens an inner stock rail in a railway slide chair assembly. The apparatus includes a base plate. The base plate has on one face a rail seat region on which the inner stock rail sits when the slide chair assembly is in use. A resilient rail fastening clip restrains the inner stock rail. A locating means locates the rail fastening clip in a first position. A loading means vertically deflects the clip so as to produce a load in a toe portion of the clip. A second locating means holds the rail fastening clip in a second position different from the first position such that the toe portion of the clip sits on a ramp of the loading means in a preload condition in which the clip does not bear on the rail
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