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:
Jun. 01, 2021
Filed:
Jun. 25, 2015
Merck Patent Gmbh, Darmstadt, DE;
Raoul Weil, Dorlisheim, FR;
Emmanuelle Simon, Schnersheim, FR;
Christophe Di-Palo, Gertwiller, FR;
Vincent Schaal, Geispolsheim, FR;
Merck Patent GmbH, Darmstadt, DE;
Abstract
A rotor device for a peristaltic pump containing a housing, a supporting shaft extending in an axial direction and being mounted in the housing, a rotor which contains a rotor-body mounted on the supporting shaft and extending in a radial direction from the supporting shaft and a plurality of rollers, mounted on the radially outer portion of the rotor-body and a driving device connected to the supporting shaft for driving the rotor, in which the peristaltic pump further contains a number of roller-markers corresponding to the number of rollers, in which the roller-markers indicate a dead zone, the roller-markers are provided directly or indirectly on the supporting shaft.