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. 07, 1980
Filed:
Mar. 14, 1979
Applicant:
Inventor:
Kenneth E Jacobson, Fremont, CA (US);
Assignee:
Beckman Instruments, Inc., Fullerton, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B04B / ;
U.S. Cl.
CPC ...
233 24 ;
Abstract
A direct drive system for a high speed ultracentrifuge. The drive spindle assembly is removable through the rotor chamber without disturbing any vacuum seals that are present to isolate the requisite vacuum environment in the rotor chamber for high speed rotation. All of the high speed bearings are connected to the spindle assembly for removal as a unit. An induction motor provides the direct drive with the motor armature mounted on the drive spindle assembly.
Jacobson, Kenneth. (1980). Direct drive high speed ultracentrifuge (U.S. Patent No. 4226359). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4226359
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile