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.:
Date of Patent:
Feb. 18, 2020
Filed:
Apr. 14, 2016
Applicant:
Presys.co., Ltd, Suwon-si, KR;
Inventors:
Bae-Jin Kim, Suwon-si, KR;
Sang Min Kim, Suwon-si, KR;
Ki Sun Choi, Hwaseong-si, KR;
Kang Hyun Kim, Hwaseong-si, KR;
Assignee:
PRESYS.CO., LTD, Suwon, KR;
Primary Examiner:
Int. Cl.
CPC ...
F16K 3/18 (2006.01); F16K 3/02 (2006.01); F16K 51/02 (2006.01); H01L 21/67 (2006.01);
U.S. Cl.
CPC ...
F16K 3/184 (2013.01); F16K 3/02 (2013.01); F16K 3/0218 (2013.01); F16K 3/0254 (2013.01); F16K 3/18 (2013.01); F16K 51/02 (2013.01); H01L 21/67126 (2013.01);
Abstract
The present invention relates to a vacuum valve, and more particularly, to a vacuum valve including a valve housing with a blade, a main shaft, a vertical moving part, a horizontal moving part, a horizontal moving unit, and a main body bracket. Opening and closing guide holes are obliquely formed in both side surfaces such that cam rollers, having passed through the vertical moving guide grooves, are inserted into the grooves so as to guide the fore and aft movement of the blade according to the vertical movement of the horizontal moving unit.