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:
Jan. 17, 2023

Filed:

Jan. 09, 2020
Applicant:

Aida Engineering, Ltd., Kanagawa, JP;

Inventors:

Keisuke Takeda, Kanagawa, JP;

Satoshi Suzuki, Kanagawa, JP;

Assignee:

AIDA ENGINEERING, LTD., Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25J 9/16 (2006.01); B21D 43/02 (2006.01); B25J 15/00 (2006.01); B65G 59/04 (2006.01);
U.S. Cl.
CPC ...
B25J 9/1694 (2013.01); B21D 43/021 (2013.01); B25J 15/008 (2013.01); B65G 59/04 (2013.01);
Abstract

Provided is a workpiece conveying system configured to convey a sheet-like workpiece to a downstream step, including: a workpiece conveyor configured to lift through attraction holding, by a workpiece holding unit, an uppermost workpiece W of a stack, and convey the uppermost workpiece W of the stack to the downstream step one by one; and a conveyed workpiece number detector configured to detect the number of workpieces W held by the workpiece holding unit at a detection timing, at which the workpiece W held and raised by the workpiece holding unit in accordance with a normal workpiece conveying operation performed by the workpiece conveyor reaches an upper limit position of raising the workpiece W, and at which a moving speed component of the workpiece W in a raising direction is 0.


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