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AssigneeCoalesce Product Development Ltd.
InventorsMatthew Richard COTTON, Robin Craig COCKER, Arlo Christopher BLAIR, Ewen Humphrey CHRISTIE
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The present invention relates to dose counting mechanisms for medicament inhaler devices, for example metered-dose inhaler (MDI) devices. In particular, the invention relates to a counter comprising a counting component (20,620), a locking element (46,646) for resisting movement of the counting component (20,620), and a distinct driving element (70,670) for driving movement of the counting component (20,620). The locking and driving elements are actuated by movement of a common element to move the locking element (46,646) out of engagement with the counting component (20,620) and to move the driving element (70,670). The driving element (70,670) applies a motive force to the counting component (20,620) before the locking element (46,646) fully disengages from the counting component (20,620).
An indexing mechanism for a counter, comprising a counting component, a locking element for resisting movement of the counting component and a distinct driving element for driving movement of the counting component, the locking and driving elements having an initial position in which the locking element is engaged with the counting component, and the locking and driving elements being actuated by movement of a common element to move the locking element out of engagement with the counting component and to move the driving element, wherein the driving element applies a motive force to the counting component before the locking element fully disengages from the counting component.
A method of indexing a counter comprising, in sequence, the steps of:
Dependencies are inferred from the claim text.