IDiyas

For the Inventor, By the Inventor

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.

Patent No.:

US 8920105 B1

PDFFull Text
Date of Patent:
Dec. 30, 2014

Filed:

Jun. 18, 2012

Rotation-type construction machine

Applicants:

Kosuke Moriguchi, Tsuchiura, JP;

Katsuhiro Sasaki, Tsuchiura, JP;

Junya Kawamoto, Tsuchiura, JP;

Yasuhiro Miyahara, Tsuchiura, JP;

Inventors:

Kosuke Moriguchi, Tsuchiura, JP;

Katsuhiro Sasaki, Tsuchiura, JP;

Junya Kawamoto, Tsuchiura, JP;

Yasuhiro Miyahara, Tsuchiura, JP;

Assignee:

Hitachi Construction Machinery Co., Ltd., Tokyo, JP;

Attorney:

Crowell & Moring LLP

Primary Examiner:

Gerald McClain

Int. Cl.
CPC ...
E02F 3/00 (2006.01); E02F 9/12 (2006.01); E02F 9/22 (2006.01); E02F 3/30 (2006.01); E02F 9/08 (2006.01); E02F 3/32 (2006.01); E02F 3/38 (2006.01);
U.S. Cl.
CPC ...
E02F 9/123 (2013.01); E02F 9/2275 (2013.01); E02F 3/30 (2013.01); E02F 9/0875 (2013.01); E02F 3/325 (2013.01); E02F 3/384 (2013.01); E02F 9/121 (2013.01); Y10S 37/902 (2013.01);
Abstract

To provide a swing-type construction machine that can reduce force of working device pipes which is generated in accordance with swinging of a working device and presses against a side wall of a swing post. The present invention is configured such that a swing frame side holding body for holding a part of working device pipes, which is located at a side of a swing frame, includes a first clamphaving a first stage holding portion that clamps one of the group of the working device pipes and a second stage holding portion that is arranged on a position lower than the first stage holding portion and clamps the other group of the working device pipes, while a swing post side holding body for holding a part of the working device pipes, which is located at a side of a swing post, includes a second clamphaving a first stage holding portion that clamps the group of the working device pipes that are clamped, by the first stage holding portion of the first clampand a second stage holding portion that clamps the group of the working device pipes that are clamped by the second stage holding portion of the first clamp

Find Patent Forward Citations

Loading…