Fastening railway rails

Railways: surface track – Fastenings – Clamps

Patent

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Details

238345, 238349, 238351, E01B 900

Patent

active

057354588

ABSTRACT:
A railway rail anchoring device, for use with a railway rail-fastening clip which is approximately M-shaped in plan and has first and second leg portions and a rail-bearing portion, comprises a base member and first and second clip-retaining members connected together by the base member such that the first clip-retaining member is spaced apart from the second clip-retaining member so as to define between the first and second clip-retaining members an opening for receiving the rail-bearing portion of such a clip. Each of the first and second clip-retaining members defines a passageway for receiving one of the leg portions of such a clip, and a boundary surface of at least one of the passageways includes, at a location intermediate respective ends of the passageway, first locating part for engagement, when the device is in use with such a clip, with a first region of the leg portion of the clip located in the passageway such that the clip can be held in a pre-assembly position in which the is retained by the device but the rail-bearing portion of the clip does not bear on a rail. Second locating part is also provided on a boundary surface of at least one of the passageways for engagement with a second region of the leg portion of the clip located in the passageway such that the clip can be held in a working position in which the rail-bearing portion of the clip bears on the rail. The first and second locating parts are such that the clip cannot move out of the pre-assembly position towards a rail unless driven in a first direction and the clip cannot move out of the working position away from the rail unless driven in a second direction, opposite to the first direction.

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German Language Abstract of 89,08,435 / Oct. 12, 1989.

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