Conveyors: power-driven – Conveyor system having a gravity conveyor section – Bin having a power-driven conveyor section for discharging...
Patent
1995-10-17
1997-04-22
Bidwell, James R.
Conveyors: power-driven
Conveyor system having a gravity conveyor section
Bin having a power-driven conveyor section for discharging...
198532, 222564, B65G 4718
Patent
active
056222505
ABSTRACT:
The interface is an apparatus that is attached to the outlet of a hopper to assist and control the discharge of particulate material onto the loading surface of a feeder, such as a moving belt. The interface results in a saving of 50 to 75 percent in the power required to drive the feeder. Three structural innovations contribute to this saving in power. First, a plate that extends vertically and in the direction of movement of the feeder is introduced into the stream of material within the interface to reduce downward pressure on the loading surface of the feeder. Second, the lower edge of the strike-off plate is arched upwardly, which reduces the power required for maintaining the shearing action. Third, the interface is provided with vertical skirts that prevent lateral spreading of the material so that a narrower feeder can be used.
REFERENCES:
patent: 3118575 (1964-01-01), McCauley
patent: 3399466 (1968-09-01), Hartley
patent: 4548342 (1985-10-01), Fisher
patent: 4567920 (1986-02-01), VaaNanen
patent: 4658992 (1987-04-01), Peleus
patent: 4738774 (1988-04-01), Patrick
Bidwell James R.
Johanson J R
McKown Daniel C.
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