Weighing device having gates for casting article onto center...

Details Weighing device having gates for casting article onto center... Weighing device having gates for casting article onto center...

2007-08-09

2010-02-16

Gibson, Randy W (Department: 2841)

Weighing scales

Computer

Electrical

C177S105000, C177S121000, C198S530000, C198S532000

Reexamination Certificate

active

07663067

ABSTRACT:
A first gate opens obliquely downward, and maintains the posture, rendering the slope angle of the bottom surface thereof steeper than that of the bottom surface of the second gate. Thus, the bottom surface of the second gate forms a gentle slope sliding surface, and the bottom surface of the first gate forms a steep slope sliding surface. Then articles drop following the shape of a parabola toward the bottom surface of the first gate on the steep slope side, with momentum gained from sliding down the bottom surface of the second gate on the gentle slope side, and then change the sliding trajectory inward upon bumping into the bottom surface of the first gate. The articles then drop following the shape of a parabola toward the center area of a dispersal table, with momentum gained from sliding down the bottom surface of the first gate.

REFERENCES:
patent: 3695371 (1972-10-01), Sheetz
patent: 4607713 (1986-08-01), Nishi et al.
patent: H02-656 (1990-01-01), None
patent: H03-74774 (1991-11-01), None
patent: H06-2118 (1994-01-01), None
patent: H06-29696 (1994-08-01), None
patent: 2003-341826 (2003-12-01), None
patent: 2008-196978 (2008-08-01), None

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