Electronic minnow counter

Details Electronic minnow counter Electronic minnow counter

1976-11-17

1977-09-06

Thesz, Joseph M.

Registers

Platform operated

Platform actuated traffic counters

119 3, 43 56, 235 92R, 235 92V, B65G 5136, G06M 302

Patent

active

040469964

ABSTRACT:
The salesperson sets a predetermining counter on the amount required. The minnows are then placed in the separating tank where they are moved through two funnels at each end of the tank via water force on and through a sensing area where their presence is registered and thus counted.
Movement of the minnows from the separating tank is effected by a combination of whirlpool current and natural habitat effect draw the minnows through clear flexible plastic tubing. The fluid current now confined to one solid stream moves the minnows through the sensor area on and to the holding tank. The minnows are caught in a wire mesh strainer basket in the holding tank, which allows the water to continue to circulate through the drain pipe from the holding tank to pump and reservoir tank. The water is then recycled through the pump back to the separator tank.
When the counter reaches zero, normally open contacts close, causing the solenoid valve to shut off the flow of water and minnows, also de-energizing the pump. The counted minnows caught in the strainer basket are ready for dumping into the customer's minnow container.

REFERENCES:
patent: 2632588 (1953-03-01), Hoar
patent: 2791862 (1957-05-01), Shook
patent: 3040980 (1962-06-01), Mann et al.

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