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:
Aug. 26, 1980
Filed:
Jun. 17, 1977
Applicant:
Inventors:
Katumi Terada, Hachioji, JP;
Kazuyuki Nemoto, Hachioji, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P / ;
U.S. Cl.
CPC ...
318 48 ; 318-8 ; 310112 ; 310 83 ; 310 / ;
Abstract
An apparatus is provided for use with a motor drive for cancelling a reaction energy of a drive motor upon rapid starting or sudden stop. The apparatus comprises a revolving member adapted to be operatively connected with the rotor of the drive motor. The member has an inertia which is equal to that of the rotor, and is adapted to be connected with the latter in the opposite sense therefrom.