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Controlled diffuser device

  • US 10,258,708 B2
  • Filed: 12/18/2015
  • Issued: 04/16/2019
  • Est. Priority Date: 03/18/2015
  • Status: Active Grant
First Claim
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1. A shuttering device, comprising:

  • a base having a base bottom with conjoined base sides and an open base top forming a base interior cavity;

    a substrate member comprising fragrance, said substrate member configured to slidbaly insert into said base interior cavity, wherein said substrate member further comprises a material that changes at least one physical dimension upon being exposed to a change in conditions; and

    ,a cover having a cover top with conjoined cover sides and an open cover bottom forming a cover interior cavity, said cover interior cavity configured to receive at least said base top and a portion of said substrate member when said substrate member is inserted into said base interior cavity and said cover is placed over top of said base;

    wherein;

    said substrate member is configured to sit within said base interior cavity such that when said cover is placed over top said base, said cover rests upon said substrate member;

    when said substrate member changes at least one physical dimension, said cover moves relative to said base;

    said base side has at least one base vent aperture and said cover has at least one cover vent aperture;

    said at least one base vent aperture and said at least one cover vent aperture are shuttered and/or opened as said cover moves relative to said base; and

    said shuttering and/or said opening of said at least one base vent aperture and said at least one cover vent aperture increases a diffusion rate of the fragrance from said substrate member by increasing exposure of said substrate member as said substrate member changes in the at least one physical dimension.

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