Details for Patent: 8,157,128

Title:	Indicating device
Abstract:	A dispenser for dispensing metered dosages of a substance from a container includes a dispenser housing having a top, a bottom, and a wall defining an elongated cavity open at the top and extending along a longitudinal axis. An indicating device includes a face member defining a viewing window. The face member is snap-fitted to the dispenser housing wall. The indicating device further includes an indicator member having a surface visible through the viewing window. The surface includes dosage indicia. The indicator member is rotatable about an axis substantially perpendicular to the longitudinal axis. An indicator actuator has at least a portion disposed in the cavity. The actuator is adapted to be moved by an actuation of the container, with the actuator adapted to rotate the indicator member upon a predetermined number of actuations of the container.
Inventor(s):	Blacker; Richard (London, CA), Engelbreth; Daniel K. (London, CA), Schmidt; James N. (London, CA)
Assignee:	Trudell Medical International (London, Ontario, CA)
Filing Date:	Jun 23, 2011
Application Number:	13/167,441
Claims:	1. A device for dispensing metered dosages of a substance comprising: a dispenser housing comprising a support block; a container holding a plurality of metered dosages of substance, said container comprising a valve stem extending from said container, wherein said container and said valve stem are moveable from a disengaged position, wherein said valve stem is not coupled to said support block, to an engaged position, wherein said valve stem is coupled to said support block, and wherein said valve stem defines a longitudinal axis; an indicating device coupled to said dispenser housing, wherein said indicating device is non-rotatable relative to said dispenser housing about said longitudinal axis, said indicating device comprising an indicator housing having an opening; and an actuator coupled to said container and moveable with said container from said disengaged position to said engaged position, wherein said actuator is inserted through said opening in said indicator housing when said container and said valve stem are moved to said engaged position, wherein said actuator interfaces with said indicating device through said opening such that said actuator is non-rotatable relative to said indicating device about said longitudinal axis and such that said actuator is maintained in an operable position relative to said indicating device. 2. The device of claim 1 wherein said indicating device comprises an indicating member rotatably mounted in said housing. 3. The device of claim 1 wherein said actuator comprises a collar disposed at least partially about a circumferential portion of said container. 4. The device of claim 2 wherein said actuator further comprises an arm extending from said collar. 5. The device of claim 4 wherein arm extends in a direction parallel to said longitudinal axis. 6. The device of claim 4 wherein said arm comprises an end portion, and wherein said indicating device comprises a ratchet gear, wherein said end portion is moveable relative to and selectively engaged with said ratchet gear in response to movement of said container relative to said support block. 7. The device of claim 6 wherein said ratchet gear is operable to rotate said indicator member after a predetermined number of movements of said container relative to said support block. 8. The device of claim 7 wherein said predetermined number is one. 9. The device of claim 1 wherein said substance comprises a medicament. 10. An indicating device for indicating the number of doses of substance that have been dispensed from, or remain in, a container, the indicating device comprising: an indicator housing having an opening and an indicator member rotatably coupled to said indicator housing; and an actuator comprising a mounting portion adapted for mounting to a container, and an arm portion extending from said mounting portion, wherein said arm portion defines a longitudinal direction and is moveable in said longitudinal direction from a disengaged position, wherein said arm is located exterior to said housing, to an engaged position, wherein said actuator is inserted through said opening into said indicator housing, wherein said actuator interfaces with said housing through said opening such that said actuator is non-moveable relative to said housing in a lateral direction perpendicular to said longitudinal direction. 11. The indicating device of claim 10 wherein said mounting portion comprises a collar adapted to be disposed at least partially about a circumferential portion of the container. 12. The indicating device of claim 10 wherein said arm portion comprises an end portion, and further comprising a ratchet gear coupled to said indicator housing, wherein said end portion is moveable relative to and selectively engaged with said ratchet gear. 13. The indicating device of claim 12 wherein said ratchet gear is operable to rotate said indicator member after a predetermined number of movements of said ratchet gear by said actuator. 14. The indicating device of claim 13 wherein said predetermined number is one. 15. A device for dispensing metered dosages of a substance comprising: a dispenser housing; a container holding a plurality of metered dosages of substance, said container coupled to said dispenser housing and operable to successively dispense said metered dosages of substance; an indicator housing disposed in said dispenser housing, said indicator housing having an opening and an indicator member rotatably coupled to said indicator housing; and an actuator comprising a mounting portion coupled to said container, and an arm portion extending from said mounting portion, wherein said arm portion defines a longitudinal direction and is moveable in said longitudinal direction from a disengaged position, wherein said arm is located exterior to said indicator housing, to an engaged position, wherein said actuator is inserted through said opening into said indicator housing, wherein said actuator interfaces with said indicator housing through said opening such that said actuator is non-moveable relative to said indicator housing in a lateral direction perpendicular to said longitudinal direction. 16. The device of claim 15 wherein said mounting portion comprises a collar disposed at least partially about a circumferential portion of the container. 17. The device of claim 15 wherein said arm portion comprises an end portion, and further comprising a ratchet gear coupled to said indicator housing, wherein said end portion is moveable relative to and selectively engaged with said ratchet gear. 18. The device of claim 15 wherein said ratchet gear is operable to rotate said indicator member after a predetermined number of movements of said ratchet gear by said actuator. 19. The device of claim 18 wherein said predetermined number is one. 20. The device of claim 15 wherein said substance comprises a medicament.