The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 16, 2010

Filed:

Aug. 09, 2007
Applicants:

Teruo Hayakawa, Shiga, JP;

Takao Kihara, Shiga, JP;

Noboru Kobayashi, Shiga, JP;

Satoshi Takada, Shiga, JP;

Koichi Makino, Shiga, JP;

Inventors:

Teruo Hayakawa, Shiga, JP;

Takao Kihara, Shiga, JP;

Noboru Kobayashi, Shiga, JP;

Satoshi Takada, Shiga, JP;

Koichi Makino, Shiga, JP;

Assignee:

Ishida Co., Ltd., Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01G 19/387 (2006.01); G01G 13/08 (2006.01);
U.S. Cl.
CPC ...
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.


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