Sleeper construction

Details Sleeper construction Sleeper construction

1989-01-24

1990-08-07

Kashnikow, Andres

Railways: surface track

Rail seats

238265, 238282, 238310, 238319, 238349, 238351, 238331, 238270, E01B 918

Patent

active

049460994

ABSTRACT:
A concrete sleeper has an elongate metal insert having a T-slot containing a T-head of a retaining block which bears against a rail foot to retain rail gauge. The retaining block can be rotated by 180.degree. and slid along the T-slot to abut an edge of the foot of a rail, the T-slot being sufficiently long to allow adjustment of the rail on the sleeper. After rail position has been determined, the block location can be fixed by inserting grout into the T-slot. Alternatively, the T-slot can have abutment lugs which determine the block position, and thereby the rail position.

REFERENCES:
patent: 905867 (1908-12-01), Girard
patent: 1018538 (1912-02-01), Wilde
patent: 1588628 (1926-06-01), Sellers
patent: 1667532 (1928-04-01), Carlson
patent: 1933536 (1933-11-01), Awbrey
patent: 3147921 (1964-09-01), Delcroix
patent: 3282506 (1966-11-01), Holstein
patent: 4470543 (1984-09-01), Gray et al.
patent: 4505428 (1985-03-01), Matsuo et al.
patent: 4756477 (1988-07-01), Schumaker

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