Dual use trailer with hopper bottom

Details Dual use trailer with hopper bottom Dual use trailer with hopper bottom

1997-06-26

1999-10-26

Mai, Lanna

Land vehicles: dumping

Hopper type

Bottom opening

298 25, 298 24, B60P 104

Patent

active

059714948

ABSTRACT:
The hopper bottom trailer has a main frame supported by wheels, a hopper with hopper walls that extend downwardly to a discharge opening and a discharge door, and two side walls. An upper side frame member is attached to each side wall. A front upper frame member and a rear upper frame member are secured to the upper side frame members. A forward inclined floor panel is pivotally attached to the front upper frame member and a rear inclined floor panel is pivotally attached to the rear upper frame member. The forward and rear inclined floor panels are pivoted from an inclined position in which grain can slide down their surfaces to the hopper to a raised position which opens the inside of the trailer to receive elongated cargo.

REFERENCES:
patent: 288792 (1883-11-01), Goodrich
patent: 560369 (1896-05-01), Bothchild
patent: 1071029 (1913-08-01), Campbell
patent: 1935057 (1933-11-01), Natali
patent: 2648293 (1953-08-01), Dorey
patent: 3087759 (1963-04-01), Worster
patent: 3692363 (1972-09-01), Tenebaum et al.
patent: 3738511 (1973-06-01), Lemon et al.
patent: 3756469 (1973-09-01), Clark
Jet Company, Inc. 4 page brochure "The #1 Choice Jet Co."
"Jet Co. Electric Roll Tarp" 1 page, 2 sided sheet of information.

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