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:
Oct. 15, 2019
Filed:
Apr. 14, 2016
Presys. Co., Ltd, Suwon-si, KR;
Bae-Jin Kim, Suwon-si, KR;
Ki Sun Choi, Hwaseong-si, KR;
Sang Min Kim, Suwon-si, KR;
Kang Hyun Kim, Hwaseong-si, KR;
PRESYS. CO., LTD, Suwon, KR;
Abstract
A blade for vacuum valves is provided with an opening/closing plate having one side surface coming into contact with a moving passage part. A screw coupling part is formed on the other side surface and a first elastic member seating part is formed on the outer circumference of the screw coupling part. A shaft connecting bar is provided on the other surface of the opening/closing plate having a contact protrusion part having a second elastic member seating part and a connecting part formed in the contact protrusion part so that a connecting unit is inserted. The first elastic member is provided between the first elastic member seating part and the second elastic member seating part to guide the elastic connection between the opening/closing plate and the shaft connecting bar.