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:
Jun. 02, 2026

Filed:

Jul. 17, 2024
Applicant:

Unitest Inc, Yongin-si, KR;

Inventor:

Hyun Sung Lee, Hwaseong-si, KR;

Assignee:

UNITEST INC, Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 37/33 (2006.01); F16L 29/04 (2006.01); F16L 37/23 (2006.01);
U.S. Cl.
CPC ...
F16L 37/33 (2013.01); F16L 29/04 (2013.01); F16L 37/23 (2013.01); Y10T 137/87949 (2015.04);
Abstract

Proposed is an automatic coupler for supplying a utility. The automatic coupler includes a first coupling member provided on any one of a utility supplying end or a utility receiving end, and a first valve body provided in the first coupling member and provided with a first check ball elastically supported, a second coupling member provided on the other one of the utility supplying end or the utility receiving end and coupled to the first coupling member, and a second valve body provided in the second coupling member and provided with a second check ball elastically supported. The second valve body includes a main body, a first floating body, and a second floating body elastically supported to the first floating body, the second floating body elastically supporting the second check ball.


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