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Dispenser with biased cover

  • US 7,077,129 B2
  • Filed: 12/18/2000
  • Issued: 07/18/2006
  • Est. Priority Date: 12/24/1999
  • Status: Expired due to Fees
First Claim
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1. A dispenser comprising:

  • a body for receipt of a carrier for a composition;

    an exit channel definable by said body for passage of said composition to a user;

    a cover for said exit channel reversibly movable between a storage in which said cover fully protects the exit channel, to an in-use position wherein the exit channel is exposed;

    a biasing element capable of generating a biasing energy for acting on the cover when the cover is not in said in-use or storage positions, capable of biasing the cover towards either the in-use position or the storage position depending on the location of the cover between its storage and in-use positions; and

    a control element cooperatively engaging the biasing element to control the direction of the bias acting on the cover,wherein said control element defines a biasing energy curve varying according to the proximity of the cover to the storage and in-use positions, and wherein the biasing energy curve has a maximum when the cover is at a defined point between the storage and the in-use position such as to bias the cover away from said defined point and towards either the in-use position or the storage position, and wherein the control element comprises a cam surface and a cam follower.

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