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. 03, 2022

Filed:

Aug. 27, 2018
Applicant:

A. Raymond ET Cie, Grenoble, FR;

Inventors:

Yingjun Zhou, Zhenjiang, CN;

Feng Que, Zhenjiang, CN;

Zhen Chen, Zhenjiang, CN;

Assignee:

A. RAYMOND ET CIE, Grenoble, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 37/12 (2006.01); F16L 21/08 (2006.01);
U.S. Cl.
CPC ...
F16L 37/1225 (2013.01); F16L 21/08 (2013.01);
Abstract

A quick connection device with a double-checked locking mechanism includes a connection housing and a locking mechanism, the locking mechanism including a first locking mechanism inserted into the connection housing and having a pedestal from which a pair of retaining arms extends, the pair of retaining arms being connected by a connection strip to form a retaining ring for fitting with an opposite plug-in tube, and having an elastic reset component; and a second locking mechanism inserted into the connection housing having a base from which locking arms and holding arms extend, the first locking mechanism being inserted between the locking arms and the holding arms, wherein the locking arms support a portion of the first locking mechanism and the second locking mechanism prevents movement of the first locking mechanism from the locked position to an unlocked position when the second locking mechanism is in a locked position.


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