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:
Sep. 15, 2009
Filed:
Apr. 10, 2006
Nic Bowman, Cambridge, GB;
Douglas Bradshaw, Royston Herts, GB;
Lennart Sörby, Uppsala, SE;
AstraZeneca AB, Sodertalje, SE;
Abstract
Inhaler counter () comprising a counter housing (), a rocker arm () with a pawl (), the rocker arm being pivotally supported by the housing and arranged to perform a rocker movement in response to a linear actuation motion, a return spring () for resetting the rocker arm, a ratchet wheel () engagable with the pawl to convert the movement of the rocker arm into an incremental rotational motion of an axle arrangement () advancing a display means (), the axle arrangement further comprising a back rotation prevention means () in the form of a spring loaded friction brake and a worm gear, the display means comprising rotatable indicator means () with teeth that engage the worm-gear and a stationary scale.