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:
Nov. 17, 2020

Filed:

Jun. 25, 2019
Applicants:

Kobe Steel, Ltd., Kobe, JP;

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

Inventors:

Yasuto Kataoka, Kobe, JP;

Takunori Yamaguchi, Kobe, JP;

Hiromitsu Hamaguchi, Hyogo, JP;

Yasuhiro Nakashima, Kobe, JP;

Yoji Hanawa, Kobe, JP;

Hiroki Nakayama, Hyogo, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66C 23/62 (2006.01); B66C 23/64 (2006.01); B66C 13/54 (2006.01); B66C 23/36 (2006.01);
U.S. Cl.
CPC ...
B66C 23/62 (2013.01); B66C 13/54 (2013.01); B66C 23/64 (2013.01); B66C 23/36 (2013.01);
Abstract

An upper turning body mounted on a lower body for a crane includes a turning frame mounted on the lower body to turn freely, and a boom provided to the turning frame to be raised and lowered freely. The turning frame includes a pair of attachment brackets to which a base end section of the boom is attached such that the boom is free to be raised and lowered, and a frame body to which the pair of attachment brackets are provided with an interval in a left-right direction of the upper turning body. The frame body is formed of a plurality of divided frames arranged side by side in the left-right direction of the upper turning body, adjacent divided frames of the plurality of divided frames being separably joined to each other.


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