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:
May. 08, 2018

Filed:

Mar. 09, 2015
Applicants:

Cosmo Koki Co., Ltd., Tokyo, JP;

Kubota Corporation, Osaka, JP;

Inventors:

Yoshinori Maeda, Tokyo, JP;

Atsushi Sato, Tokyo, JP;

Toshihiko Ogata, Tokyo, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 19/02 (2006.01); F16L 23/02 (2006.01); F16L 23/00 (2006.01); F16L 23/024 (2006.01);
U.S. Cl.
CPC ...
F16L 23/02 (2013.01); F16L 23/003 (2013.01); F16L 23/024 (2013.01);
Abstract

A separation preventing device that prevents separation of a fluid pipe in a pipe axis direction, includes a main body externally fitted to an outer peripheral surface of the fluid pipe and has a recess portion facing the outer peripheral surface; a locking member housed in the recess portion in a tiltable manner and is able to bite into the outer peripheral surface of the fluid pipe; and pressing units that are provided in the main body and press the locking member, wherein the locking member has a plurality of wedge portions in a front-back direction of a pipe axis of the fluid pipe, and is equipped with a projection portion that regulates biting of a front wedge portion of the plurality of wedge portions into the fluid pipe, when the fluid pipe moves to a separation side in the pipe axis direction.


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