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:
Mar. 22, 2022
Filed:
May. 02, 2018
Applicant:
Eppendorf Ag, Hamburg, DE;
Inventors:
Assignee:
Eppendorf AG, Hamburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 25/20 (2006.01); F16H 25/24 (2006.01); B01L 3/02 (2006.01); G01B 3/18 (2006.01); G01N 35/10 (2006.01);
U.S. Cl.
CPC ...
F16H 25/20 (2013.01); B01L 3/0227 (2013.01); F16H 25/24 (2013.01); G01B 3/18 (2013.01); F16H 2025/2081 (2013.01); F16H 2025/249 (2013.01); F16H 2025/2481 (2013.01); G01N 35/10 (2013.01); G01N 2035/1027 (2013.01);
Abstract
A spindle drive comprising a threaded spindle with an external thread, a spindle nut with an internal thread that is in engagement with the external thread of the threaded spindle, characterized in that the external thread of the threaded spindle has multiple threaded areas that are separated from each other by first flattenings on their circumference extending in the longitudinal direction, and the first flattenings have guide areas that abut the core diameter of the internal thread of the spindle nut.