Patent ID: 7984710
Filing Date: 2011-07-26
Classification: A61M,G06M

Abstract:
1. A Hand-held device for apportioned delivery of sprayable substances comprising: a cartridge which is displaceable by pressing in a housing into an open position for delivery, and a step-action indexing mechanism which is actuated by the cartridge during an opening stroke thereof via an annular scale ring that extends circumferentially in front of one or more viewing windows, the step-action indexing mechanism comprising: wherein the step-action indexing mechanism and the annular scale ring are disposed in a plate-like indexing mechanism housing, centrally and non-rotatably beneath an opening-side end wall of the cartridge, in overlap with a valve tube of the cartridge, in such a way that the step-action indexing mechanism components and the annular scale ring are located around an axis extending in the longitudinal direction of the cartridge, characterized in that the plate-like indexing mechanism housing together with the enclosed annular scale ring goes down, during actuation, behind the one or more viewing windows of the housing of the hand-held device.