Donahue jiffy roller dumper and extend-a-box

Details Donahue jiffy roller dumper and extend-a-box Donahue jiffy roller dumper and extend-a-box

B - Operations, Transporting

60

P

B60P 1/52 (2006.01) B62D 33/02 (2006.01)

Patent

CA 2149447

Running gear consisting of a track and carriage is installed on the bed of a pick-up truck or on a flat bed trailer in such a manner as to allow a hopper or cargo box to be attached to it. The hopper rides on the carriage assembly which runs along two parallel channel rails attached to the truck bed. The hopper and its cargo are pulled out manually until a point of equilibrium is reached. As the hopper and load are pulled out past the point of equilibrium, a break in the top of the channel rails allows the rear axle on the carriage to rise up out of the track, and because the carriage and hopper are now over balanced, the hopper tilts up thereby dumping the load behind the truck. The carriage may also be used as a truck bed extender by removing the hopper from the carriage assembly and extending the carriage to its maximum position and locking it in place. This would then support loads longer than the length of the bed of the truck.

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