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Indicator device responsive to axial force

  • US 5,799,651 A
  • Filed: 01/06/1997
  • Issued: 09/01/1998
  • Est. Priority Date: 02/03/1989
  • Status: Expired due to Fees
First Claim
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1. A device to indicate the release of aerosol medication from a canister wherein aerosol medication is released from the canister by applying a force to the canister, comprising a dispenser including a canister case for holding the canister and indicator which advances upon the application of said force to indicate a release of the aerosol medication;

  • the indicator including an outer cover, an indicator wheel engaged with the outer cover, and a driver engaged with the outer cover and indicator wheel to translate an aerosol releasing non-rotative force on the outer cover into a rotation of the indicator wheel relative to the outer cover to indicate the release of the aerosol medication;

    the outer cover including a top portion and a depending skirt, and the indicator wheel is nested in the outer cover depending skirt, and the indicator further including a retainer nested in the outer cover depending skirt so that the indicator wheel is disposed between the outer cover top portion and the retainer;

    the dispenser and indicator including a child resistant element to resist the releasing of aerosol medication by a child including at least one protrusion on one of the outer cover depending skirts and the dispenser and a protrusion-mate on the other of the outer cover depending skirt and the dispenser to mate with the protrusion to allow a force applied on the indicator to be translated to the canister only if the protrusion and protrusion mate are aligned.

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