Railways: surface track – Rail joints – Tread bridge
Patent
1982-07-19
1984-12-04
Reeves, Robert B.
Railways: surface track
Rail joints
Tread bridge
238235, 238243, E01B 1132
Patent
active
044859678
ABSTRACT:
A connection for connecting a pair of rail members end to end, each rail member having a base, web, and a railhead. The connection comprises a tongue projecting endwise from the railhead of one rail member into a slot in the railhead of the other rail member, with the top of the tongue generally flush with the top of the railheads and the bottom of the tongue slidable on the other rail member for transmitting loads applied to the top of the railheads. The connection further comprises a longitudinally extending end projection on the other rail member slidable in a recess in the one rail member. The end projection is engageable with the one rail member for limiting the extent of the relative longitudinal movement and for transmitting tension force along the rail members. The connection transmits longitudinal, lateral and downward vertical loads on the rail members while allowing thermal expansion of the rail members, and presents a continuous load bearing surface along the top of the railheads. Also disclosed is a connector with an end projection having an L-shaped connecting member on the base portion of the other rail member and a lug in the base of the one rail member engageable with each other. A bar, lapping the webs of the rail members, is secured to the rail members.
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Hubbuch David F.
Reeves Robert B.
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