Concrete-dispensing counter for ready mix trucks

Details Concrete-dispensing counter for ready mix trucks Concrete-dispensing counter for ready mix trucks

2006-06-20

2006-06-20

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C366S044000, C356S426000

Reexamination Certificate

active

07064314

ABSTRACT:
A concrete-dispensing counter for ready mix trucks for measuring the volume of concrete discharged by a ready mix concrete truck. The concrete-dispensing counter for ready mix trucks includes a prime mover having a drum being rotatably mounted thereupon and also having a discharge chute through which cement is dispensed from the drum; and also includes a light emitting/reflecting assembly being mounted to the prime mover and including a plurality of light reflectors being spacedly attached about an exterior of the drum opposite to the discharge chute and also including a light-emitting member and a light-detecting member being mounted to the prime mover; and further includes a microprocessor being connected to the light-emitting and the light-detecting members; and also includes a concrete-dispensing sensor being attached to the discharge chute and to the light emitting/reflecting assembly and to the microprocessor for actuating the light emitting/reflecting assembly and the microprocessor.

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patent: 5178455 (1993-01-01), Ohsaki et al.
patent: 5622163 (1997-04-01), Jewett et al.

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