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Dose indicating device

  • US 7,100,530 B2
  • Filed: 06/16/2004
  • Issued: 09/05/2006
  • Est. Priority Date: 12/15/2003
  • Status: Active Grant
First Claim
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1. An indicating device suitable for indicating the number of metered dosages that have been dispensed from or remain in a container, said indicating device comprising:

  • a base member adapted to be mounted to the container;

    a cap member moveably connected to said base member, said cap member reciprocally moveable relative to said base member along an axial path;

    a shaft mounted to one of said cap member and said base member, said shaft defining an axis; and

    an indicator member rotatably mounted on said shaft, said indicator member rotatable about said shaft in at least a first direction;

    wherein one of said shaft and said indicator member comprise a helical groove and the other of said shaft and said indicator member comprises a follower disposed in said groove, wherein said indicator member is translatably moveable relative to said shaft along said axis as said indicator member is rotated in said first direction about said axis.

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