The present invention provices a counter comprising: a first member disposed in at least a partial helical turn about a longitudinal axis of an entity whose movements and/or contents are to be counted, said first member having an indicium or indicia indicative of a count; a second member extending g
The present invention provices a counter comprising: a first member disposed in at least a partial helical turn about a longitudinal axis of an entity whose movements and/or contents are to be counted, said first member having an indicium or indicia indicative of a count; a second member extending generally in the direction of said longitudinal axis, said second member being operatively disposed in overlapping relationship under and over one or more portions of said at least partial helical turn of said first member; and means to effect relative movement between said first and second members, said movement comprising a relative incremental rotation about said longitudinal axis.
대표청구항▼
1. A counter comprising: a first member disposed in at least a partial helical turn about a longitudinal axis of an entity whose movements and/or contents are to be counted, said first member having an indicium or indicia indicative of a count;a second member extending generally in the direction of
1. A counter comprising: a first member disposed in at least a partial helical turn about a longitudinal axis of an entity whose movements and/or contents are to be counted, said first member having an indicium or indicia indicative of a count;a second member extending generally in the direction of said longitudinal axis, said second member being operatively disposed in overlapping relationship under and over one or more portions of said at least partial helical turn of said first member, when viewed from the outside; andmeans to effect relative movement between said first and second members, said movement comprising a relative incremental rotation about said longitudinal axis. 2. A counter as claimed in claim 1, wherein said entity is a medicament container for a dispenser having a body for receiving said medicament container and a dispensing mechanism for dispensing a dose of medicament from said medicament container. 3. A counter as claimed in claim 2, wherein said movement is performed in a relative incremental rotation in response to said dispenser being actuated. 4. A counter as claimed in claim 2, wherein said indicium or indicia is or are indicative of the number of doses of medicament dispensed from, or remaining in, said container. 5. A counter as claimed in claim 2, wherein said first member helically disposed about a longitudinal axis of said dispenser body has a substantially constant pitch and/or width along its length. 6. A counter as claimed in claim 2, wherein said first member helically disposed about a longitudinal axis of said dispenser body has a varied pitch and/or width comprising one or more discrete sections of different pitch and/or width along its length. 7. A counter as claimed in claim 1, wherein said means to effect a relative rotation comprises a drive mechanism having a pawl-bearing member arranged and configured to releasably engage a tooth-bearing member. 8. A counter as claimed in claim 7, wherein said drive mechanism biases said first member in a rotational direction about said longitudinal axis responsive to a force in a direction substantially parallel to said longitudinal axis. 9. A counter as claimed in claim 8, wherein a rotation of said first member from a first position to a second position is initiated prior to a dispensing of the product. 10. A counter as claimed in claim 7, wherein said first member is driven by said drive mechanism. 11. A counter as claimed in claim 2, wherein said second member is fixed relative to said dispenser. 12. A counter as claimed in claim 2, wherein said first member rotates about said longitudinal axis of said dispenser. 13. A counter as claimed in claim 2, wherein said dispenser includes a housing having a window in substantial alignment with said second member, and wherein said overlapping relationship is such that only one portion of said at least a partial helical turn of said first member is exposed to said window. 14. A counter as claimed in claim 1, wherein said first member is disposed in a plurality of helical turns about said longitudinal axis. 15. A counter as claimed in claim 1, wherein said second member extends in a direction parallel to said longitudinal axis. 16. A counter as claimed in claim 1, wherein said relative incremental rotation about said longitudinal axis changes said overlapping relationship between said first and second members. 17. A counter as claimed in claim 1, wherein said overlapping relationship is such that only a portion of one partial turn or turn of said first member lies over or under, said second member. 18. A counter as claimed in claim 17, wherein said indicium or indicia is provided on said first member to be located over or under, said second member. 19. A counter as claimed in claim 18, wherein said indicium or indicia is provided on said first member to be located over said second member. 20. A counter as claimed in claim 17, wherein said overlapping relationship is such that only a portion of one partial turn or turn of said first member lies over said second member. 21. A counter as claimed in claim 1, wherein said second member comprises a strip of flexible, resilient or rigid material. 22. A counter as claimed in claim 1, wherein said first member comprises a rigid, resilient or flexible material. 23. A counter as claimed in claim 1, wherein one or both of said first and second members is comprised of a low friction coefficient material. 24. A counter as claimed in claim 1, wherein said indicium or indicia is or are provided by a shape of the first member and/or indicia comprising one or more of: numbers, colours, letters and symbols. 25. A counter as claimed in claim 24, wherein said indicia comprise a set of numbers sequential in increments of one or more of: a fraction of one, one, two, five, ten, twenty, fifty, and a hundred. 26. A counter as claimed in claim 24, wherein said indicia are printed, cut out from, embossed, molded, adhered, incorporated, or painted on one or both of said first and second members. 27. A dispenser comprising the counter as claimed in claim 1. 28. A dispenser as claimed in claim 27 which is a pressurised metered-dose inhaler (pMDI). 29. A dispenser comprising: a body for receiving a medicament container;a medicament container;a dispensing mechanism for dispensing a dose of medicament from said container; anda counter as claimed in claim 1. 30. A dose counter for use with a dispenser having a body for receiving a medicament container and a dispensing mechanism for dispensing a dose of medicament from said container, the dose counter comprising: a first member disposed in at least a partial helical turn about a longitudinal axis of said medicament container and having an indicium or indicia indicative of the number of doses of medicament dispensed from, or remaining, in said container;a second member extending generally in the direction of said longitudinal axis, said second member being operatively disposed in overlapping relationship under and over one or more portions of said at least partial helical turns of said first member, when viewed from the outside; and means to effect relative movement between said first and second members when said dispensing mechanism is actuated, said movement comprising a relative incremental rotation about said longitudinal axis. 31. A dose counter for use with a dispenser having a body for receiving a medicament container and a dispensing mechanism for dispensing a dose of medicament from said container, the dose counter comprising: a first member disposed in a single or partial helical turn about a longitudinal axis of said medicament container and having an indicium or indicia indicative of the number of doses of medicament dispensed from, or remaining, in said container;a second member extending generally in the direction of said longitudinal axis, said second member being operatively disposed in overlapping relationship under and over one or more portions of said at least partial helical turn of said first member, when viewed from the outside;a housing having a window extending generally in the direction of said longitudinal axis, said housing being operatively disposed in overlapping relationship with said first member such that only one portion of said single or partial helical turn of said first member is exposed to said window; andmeans to effect relative movement between said first member, and said second member and said housing when said dispensing mechanism is actuated, said movement comprising a relative incremental rotation about said longitudinal axis.
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이 특허에 인용된 특허 (158)
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