Material or article handling – Self-loading or unloading vehicles – Conveyor
Patent
1984-02-10
1986-07-22
Werner, Frank E.
Material or article handling
Self-loading or unloading vehicles
Conveyor
152565, 198497, 198499, 298 1B, 414539, 414527, B60P 136
Patent
active
046016317
ABSTRACT:
A motorized vehicular vacuum street sweeper (2) has a hopper (12) for receiving suctioned debris and includes unloading devices (36) provided by a flexible sheet-like wrapper (38) in the hopper forming a receptacle cavity (76). The wrapper is flexed by actuation devices (74) to shrink the cavity and expel debris through an exit door (40) in the hopper.
REFERENCES:
patent: 2298747 (1942-10-01), Agar
patent: 3994388 (1976-11-01), Reiter
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