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:
Apr. 05, 2022
Filed:
Apr. 08, 2014
Sanofi, Paris, FR;
Stefan Bayer, Würselen, DE;
Daniel Berning, Baesweiler, DE;
Philippe Blank, Düsseldorf, DE;
Wolfgang Pelzer, Kreuzau, DE;
Björn Wilden, Simmerath, DE;
Sanofi, Paris, FR;
Abstract
The present invention relates to a drive mechanism of a drug delivery device for setting and dispensing of a dose of a medicament, the mechanism comprising: a housing (), a piston rod () to operably engage with a piston () of a cartridge () to displace the piston () in a distal direction (), a rotatable member () arranged on an axially extending axis of rotation () in the housing (), said rotatable member () being rotatable in a dose incrementing direction () against the action of a spring element () and being operably engageable with the piston rod () during dose dispensing, a clutch member () comprising at least one radially displaceable clutch element () to engage with a rim () of the rotatable member () with variably adjustable strength.