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. 07, 2019
Filed:
Jul. 17, 2014
Sanofi, Paris, FR;
Sanofi, Paris, FR;
Abstract
A drive mechanism () for a delivery device comprising a drive member () for driving a piston rod (); a moveable dose setting member () being disengaged from the drive member () in a dose setting state and being moveable in a drive direction in a dose delivery state, wherein the dose setting member () engages with the drive member () in the dose delivery state in such a manner that the movement of the dose setting member () in the drive direction is transferred to the drive member (); and a spring member () being coupled to the dose setting member () in such a manner that the movement of the dose setting member () in a setting direction loads the spring member () in the dose setting state, the spring force of the loaded spring member () driving the dose setting member () in the drive direction in the dose delivery state.