Land vehicles – Wheeled – Extensible
Patent
1975-10-14
1977-12-20
Song, Robert R.
Land vehicles
Wheeled
Extensible
280 4324, 214506, B62D 2118
Patent
active
040637450
ABSTRACT:
A trailer construction in which the trailer bed is articulated into a plurality of sections for relative pivotal movement about one or more transverse horizontal axes, and which includes means for temporarily lowering the bed of the trailer to rest directly on the ground, for unimpeded loading by movement transverse of the bed, longitudinal loading from behind still being available as well.
REFERENCES:
patent: 2333853 (1943-11-01), Fellabaum
patent: 2502309 (1950-03-01), Byrd
patent: 2519022 (1950-08-01), Stemen
patent: 2823047 (1958-02-01), Hutchinson
patent: 3035728 (1962-05-01), Hecker
patent: 3179271 (1965-04-01), Donahue
patent: 3271042 (1966-09-01), Flodin
patent: 3517944 (1970-06-01), Hage
patent: 3578352 (1971-05-01), Heine
patent: 3866935 (1975-02-01), Nelson
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