Weighing scales – Weigher responsive material control – Alternating weigh chambers
Reexamination Certificate
2007-05-01
2007-05-01
Gibson, Randy W. (Department: 2841)
Weighing scales
Weigher responsive material control
Alternating weigh chambers
C177S092000, C177S116000, C019S105000, C019S300000
Reexamination Certificate
active
11120798
ABSTRACT:
A weigh-pan metering and blending apparatus having a holding chamber for receiving fiber from a fiber distributer and providing temporary storage of the fiber. The metering chamber meters the fiber received from the holding chamber, wherein the metering chamber includes at least one discharge device for advancing the fiber to diverter doors pivotally mounted at one end of the metering chamber for oscillating movement between first and second downstream delivery openings. First and second weigh-pans communicating with respective ones of the first and second downstream delivery openings receive the fiber from the metering chamber. First and second discharge chambers receive the fiber from respective ones of the first and second weigh-pans, wherein the first and second discharge chambers include a discharge device for advancing the fiber to adjacent transfer ducts for discharge.
REFERENCES:
patent: 3734215 (1973-05-01), Smith
patent: 4616722 (1986-10-01), Moran
patent: 4753306 (1988-06-01), Mosher
patent: 4874049 (1989-10-01), Kee et al.
patent: 5802674 (1998-09-01), Barber
patent: 2005/0109547 (2005-05-01), Sugioka et al.
Adams Evans P.A.
Diversified Textile Machinery Corporation
Gibson Randy W.
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