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:
May. 01, 2012
Filed:
Aug. 24, 2010
Applicants:
Keum MO Kim, Uiryeong, KR;
Jae Chul Lee, Yuseong, KR;
Dae Gon Kim, Yuseong, KR;
Inventors:
Assignee:
RPM Tech Co., Ltd., Daejeon, KR;
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/05 (2006.01);
U.S. Cl.
CPC ...
Abstract
A clutch apparatus for an electric valve actuator, in which, where a manual handle is operated by an operator in a state that a power supply is stopped in a main motor, a coupling state between the manual handle and the main motor is released and the main motor is separately driven during a re-supply of the power, whereby preventing a safety accident of the operator of the manual handle.