Patent · US Active

Spindle drive

US11280389B2 · kind B2 · utility

0Cited by

5References

17Claims

0Family size

Assignee

Eppendorf AG · DE

Inventors

Burkhardt Reichmuth · Hamburg, DE
Marc Wilth · Hamburg, DE
Jörg Sattler · Hamburg, DE

Key dates

Filing date	May 2, 2018
Grant date	Mar 22, 2022
Priority date	—
Expiry date	Sep 13, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG01N2035/1027
WIPO fieldMeasurement
WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.