Land vehicles: dumping – Hopper type
Patent
1976-05-05
1978-05-30
Werner, Frank E.
Land vehicles: dumping
Hopper type
105243, 222105, B61D 306
Patent
active
040920518
ABSTRACT:
This application discloses a multi-purpose freight vehicle, such as a roadway trailer, which, in one condition, presents a clear cargo space with a continuous floor for hauling packaged goods and which, in another condition, provides one or more container bags between a top fill opening and a bottom discharge hopper opening for hauling bulk goods, the bag being formed of strong flexible material having a top opening with means of support at the top fill opening of the vehicle roof and a more flexible top end portion with closure means to provide a tight dustproof seal; the flexible bag, when empty, being stored in a hopper to which its lower open end is attached and having means for retrieval through the top opening of the vehicle roof, as by a hook pole, the bag except at the top, being rectangular in cross section and cubical to provide maximum capacity within the shape of the vehicle; floor sections above the hopper are hinged transversely to swing up as floor trap doors to permit the bag or bags to be raised, and the liftable floor trap door sections having transverse floor beams which at their ends rest on side sills; and support securement and lift means for the floor trap doors which can be removed and stowed in a compartment at the front end of the vehicle when the vehicle is used with the bags collapsed into the hoppers and the floor sections lowered.
REFERENCES:
patent: 2648293 (1953-08-01), Dorey
patent: 2712797 (1955-07-01), Woehrle et al.
patent: 3222099 (1965-12-01), Swallert
patent: 3756469 (1973-09-01), Clark et al.
patent: 3777938 (1973-12-01), Nikowitz et al.
The Budd Company
Werner Frank E.
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