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. 14, 2016
Filed:
Jul. 12, 2012
Michael Jugl, Frankfurt am Main, DE;
Gunther Sendatzki, Frankfurt am Main, DE;
Michael Jugl, Frankfurt am Main, DE;
Gunther Sendatzki, Frankfurt am Main, DE;
SANOFI-AVENTIS DEUTSCHLAND GMBH, Frankfurt am Main, DE;
Abstract
A drive mechanism of a drug delivery device is presented comprising of a piston rod extending in an axial direction to be operably engaged with a piston of a cartridge, the piston rod being adapted to exert distally directed pressure to the piston for expelling a liquid medicament from the cartridge. A housing component to accommodates the piston rod and has a guiding member extending in a lateral plane and being engaged with piston rod for guiding the same in axial direction relative to the housing component. At least one actuation lock is used to engage with the piston rod to inhibit a proximally directed movement of the piston rod relative to the housing component.