Conveyors – chutes – skids – guides – and ways – Chutes
Patent
1988-03-31
1989-08-29
Kashnikow, Andres
Conveyors, chutes, skids, guides, and ways
Chutes
198533, 209480, 209504, B65G 1120
Patent
active
048608742
ABSTRACT:
A sluice box has an open box frame formed from a plurality of welded beams. A trough having an arcuate transverse cross section is suspended in an inclined fashion within the frame by a plurality of chains. A low end of the trough has an end wall with a central aperture which serves as a sand drain. A transversely extending water overflow drain channel is disposed adjacent the low end trough wall. The bottom of the trough is provided with a series of spaced transverse ridges. A variable speed motor having a rotary output shaft with an eccentric weight and a cooling fan is secured to a bottom exterior surface of the trough, adjacent the low end wall, and serves to vibrate the trough. A second variable speed motor is utilized in conjunction with a pitman wheel and arm for reciprocating the trough from side to side. A pair of arcuate levers are pivotally mounted to the frame on opposite sides of the trough. A rubber wheel is rotatably mounted on a first end of each of the levers and a magnet is mounted on a second end of each of the levers. As the trough is reciprocated from side to side, the wheel on each of the levers contacts the side wall of the trough, causing the lever to pivot and strike the magnet on the second end of the lever against the bottom exterior surface of the trough.
REFERENCES:
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patent: 3368848 (1968-02-01), Hughes
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Kashnikow Andres
Kearns Jerry T.
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