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:
Jul. 22, 1980
Filed:
Mar. 15, 1979
Applicant:
Inventors:
Kenneth E Jacobson, Fremont, CA (US);
William S Gutierrez, San Francisco, CA (US);
Assignee:
Beckman Instruments, Inc., Fullerton, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ; B04B / ; H01H / ;
U.S. Cl.
CPC ...
310 / ; 200 / ; 233 24 ;
Abstract
An improved rotor imbalance detector for a centrifuge comprising a rotatable electrically conducting ring; means to support and insulate the conducting ring from the centrifuge spindle shaft, and yet permit rotational movement of the conducting ring with respect to the support means, when the conducting ring is struck by the centrifuge drive spindle during an imbalance condition, means for de-energizing the power supplied to the centrifuge motor which rotates the drive spindle, and an electrically conducting lead in electrical contact with the conducting ring and the de-energizing means.