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发明公开
CN104428799A 剂量指示装置 有权

剂量指示装置
摘要：
一种用于加压计量吸入器的剂量指示装置包括内轮(11)、环形外轮(12)、致动器(13)和壳体(70)；·所述内轮包括主分度齿和柔性驱动臂；·所述外轮包括位于该外轮的向外表面上的副分度齿；·所述内轮和所述外轮至少部分地位于所述壳体内，以使所述内轮和所述外轮能围绕共同的纵向旋转轴线旋转；·所述致动器能在垂直于所述旋转轴线的平面中移动，以啮合所述主分度齿而使所述内轮旋转；·所述壳体相对于所述旋转轴线是固定的并且所述壳体包括偏转器；·所述偏转器被配置成使得，在所述内轮旋转时，所述驱动臂间歇性地被偏转并由此与所述副分度齿形成接触以使所述外轮围绕所述旋转轴线旋转。
摘要（英）：

A dose indicator device for a pressurised metered dose inhaler comprises an inner wheel (11), annular outer wheel (12), actuator (13) and housing (70). The inner wheel comprising primary indexing teeth and a flexible drive arm. The outer wheel comprises secondary indexing teeth on an outwards face of the outer wheel. The inner wheel and outer wheel located at least partially within the housing such that the inner wheel and outer wheel are rotatable about a common longitudinal axis of rotation. The actuator movable in a plane is perpendicular to the axis of rotation to engage the primary indexing teeth to rotate the inner wheel. The housing is fixed relative to the axis of rotation and comprises a deflector. The deflector configured such that, on rotation of the inner wheel, the drive arm is intermittently deflected and brought into contact with the secondary indexing teeth to rotate the outer wheel about the axis of rotation.

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