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. 04, 2025

Filed:

Jan. 19, 2021
Applicant:

Kobelco Construction Machinery Co., Ltd., Hiroshima, JP;

Inventors:

Yusuke Fujiwara, Hiroshima, JP;

Seiji Saiki, Hiroshima, JP;

Natsuki Yumoto, Hiroshima, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66C 1/08 (2006.01); B66C 1/06 (2006.01); H01F 7/18 (2006.01); B66C 15/06 (2006.01); G08B 7/06 (2006.01);
U.S. Cl.
CPC ...
B66C 1/08 (2013.01); B66C 1/06 (2013.01); H01F 7/18 (2013.01); B66C 15/065 (2013.01); G08B 7/06 (2013.01);
Abstract

A notification system includes: a notifier which notifies an operator of a state of a lifting magnet; a sensor which detects at least one of a voltage, an electric current, and an electric power supplied for exciting the lifting magnet; a determination part which determines, based on detection data from the sensor, whether an attraction quantity of the lifting magnet reaches a maximum attraction quantity after excitation of the lifting magnet is started; and a notification control part which causes the notifier to notify that the attraction quantity reaches the maximum attraction quantity when the determination part determines that the attraction quantity reaches the maximum attraction quantity.


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