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:
Mar. 24, 2020
Filed:
Dec. 22, 2015
Novo Nordisk A/s, Bagsvaerd, DK;
Christian Plambech, Soeborg, DK;
Jesper Peter Windum, Hilleroed, DK;
Novo Nordisk A/S, Bagsvaerd, DK;
Abstract
The present invention relates to a drug delivery device () comprising a housing (), a threaded piston rod (), a rotatable drive tube (), a drive nut () in threaded engagement with the piston rod () and being rotationally locked but axially moveable relative to the drive tube (), and a support member () arranged rotationally free on the piston rod (), the support member () being axially locked relative to the housing () and arranged to allow the drive tube () to move axially. The device further comprises a compression drive spring () arranged between the piston rod () and the drive tube (), the compression drive spring () being arranged axially between the drive nut () and the support member ().