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:
May. 21, 2019
Filed:
Aug. 15, 2014
Sanofi-aventis Deutschland Gmbh, Frankfurt am Main, DE;
Samuel Steel, Warwickshire, GB;
Paul Richard Draper, Worcestershire, GB;
Joseph Butler, Warwickshire, GB;
David Richard Mercer, Dorset, GB;
Sanofi-Anentis Deutschland GMBH, Frankfurt am Main, DE;
Abstract
The present invention concerns a drive mechanism () for a drug delivery device (), which comprises a piston rod () comprising a first piston rod member () and a second piston rod member (). The drive mechanism () further comprises an adjustment member (). The drive mechanism () has a first state in which the first and the second piston rod member () are moveable with respect to each other by operating the adjustment member (), thereby adjusting the length of the piston rod (), and wherein the adjustment member () is arranged at least partially inside the second piston rod member (). Moreover, the present invention concerns a method for assembling the drug delivery device ().