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Soap dispensing system

  • US 4,429,812 A
  • Filed: 04/16/1981
  • Issued: 02/07/1984
  • Est. Priority Date: 04/16/1981
  • Status: Expired due to Term
First Claim
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1. A system for dispensing liquid soap comprising a closed wall structure defining a container, partition means separating said container into a lower liquid soap reservoir and an upper refill compartment, dispensing means carried by said container for dispensing liquid soap from said reservoir, a refill aperture in said partition means providing communication between said reservoir and said refill compartment, a refill cartridge containing liquid soap and having an outlet and being imperforate except at the outlet thereof, and slot and key mechanism carried by said refill cartridge and said container for maintaining said cartridge in a predetermined refill configuration and in communication with said refill aperture, a drain slot in said upper refill compartment to cause bulk liquid soap poured thereinto to flow therefrom, and a drain opening in said lower liquid soap reservoir vertically spaced above the cartridge outlet when said cartridge is in the refill configuration thereof, said refill cartridge being removably enclosed within said refill compartment in a refill configuration with said outlet disposed for cooperation with said refill aperture to permit flow of liquid soap from said refill cartridge to said reservoir thereby to refill said reservoir.

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