Coupler for convertible rail-highway semi-trailer

Details Coupler for convertible rail-highway semi-trailer Coupler for convertible rail-highway semi-trailer

1984-04-12

1986-04-29

Reeves, Robert B.

Railway draft appliances

Couplings

Link or bar type

213188, 280477, 403 13, B61G 128, B60D 100

Patent

active

045851336

ABSTRACT:
A convertible semi-trailer for highway and railroad modes of travel includes a coupler device to releasably couple adjacent vehicles end-to-end to form a train for the railroad mode. The coupler includes a male member extending from the end of one of the vehicles and the housing attached to the opposed end of the adjacent vehicles and having an opening therethrough for receiving the male member of the one vehicle. The male member is releasably locked in the housing opening for railroad mode of operation. A resilient pad is positioned in the opening of the housing and has the male member resting thereon to accommodate limited rolling, pitching and relative vertical displacement between the coupled vehicles.

REFERENCES:
patent: 927334 (1909-07-01), Dobbs
patent: 996072 (1911-06-01), Fitzpatrick et al.
patent: 1462188 (1923-07-01), Barks
patent: 2153305 (1939-04-01), Gumkowski
patent: 4131296 (1978-12-01), Strader
patent: 4202277 (1980-05-01), Browne et al.

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