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. 12, 2018

Filed:

Aug. 08, 2016
Applicants:

Presys.co.,ltd, Suwon-si, KR;

Psk Inc., Hwaseong-si, KR;

Inventors:

Bae-Jin Kim, Suwon-si, KR;

Ki Sun Choi, Suwon-si, KR;

Kang Hyun Kim, Suwon-si, KR;

Sang Min Kim, Suwon-si, KR;

Sun Yeol Seo, Suwon-si, KR;

Assignees:

PRESYS.CO.,LTD, Suwon-si, KR;

PSK INC., Hwaseong-si, KR;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 3/18 (2006.01); F16K 3/02 (2006.01); F16K 3/314 (2006.01); F16K 3/316 (2006.01); F16K 51/02 (2006.01);
U.S. Cl.
CPC ...
F16K 3/184 (2013.01); F16K 3/029 (2013.01); F16K 3/0218 (2013.01); F16K 3/0281 (2013.01); F16K 3/182 (2013.01); F16K 3/314 (2013.01); F16K 3/3165 (2013.01); F16K 51/02 (2013.01);
Abstract

Disclosed herein is an upper housinghaving openings that are respectively defined in a front surface and a rear surface thereof and in which first and second moving pathsandare defined; a first bladeinstalled in the upper housingto move upward from a lower side, thereby opening/closing the first moving path; a first shaftcoupled to a lower portion of the first blade; a lower housingdisposed below the upper housing, in which a rotation guide groovefor guiding rotation of a L-motion blockat a fixed position while the first blademoves in a close direction C is defined in each of both inner surfaces of the lower housing ().


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