Weighing scales – Weigher responsive material control – Feed
Reexamination Certificate
2007-03-27
2007-03-27
Gibson, Randy W. (Department: 2841)
Weighing scales
Weigher responsive material control
Feed
C177S136000
Reexamination Certificate
active
10931739
ABSTRACT:
A truck-mounted scale mechanism can provide an accurate measurement of the weight of loose material dispensed from a delivery truck. The scale mechanism is supported on the tailgate of the delivery truck for transport from one job site to another. A winch provides a mechanism for deploying the scale mechanism from the transport position. The scale includes a frame mechanism pivotally supporting a hopper having a gate-controlled discharge chute operated by an air cylinder with weigh cells being located between the hopper and the frame. A computer on the scale mechanism operatively controls the air cylinder controlling the gate on the delivery chute of the truck bed and the air cylinder controlling the discharge chute gate on the hopper such that the loading, weighing and dispensing of the loose salt from the truck bed to the customer storage facility is automated until the system is halted by the operator.
REFERENCES:
patent: 2793024 (1957-05-01), Rose et al.
patent: 3065808 (1962-11-01), Dodgen
patent: 3565288 (1971-02-01), Shute
patent: 5880407 (1999-03-01), Flammang
patent: 5979703 (1999-11-01), Nystrom
patent: 6396003 (2002-05-01), Friesen
Gibson Randy W.
Miller Law Group PLLC
The Cope Company Salt
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