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Foaming soap dispensers

  • US 10,588,467 B2
  • Filed: 08/23/2018
  • Issued: 03/17/2020
  • Est. Priority Date: 03/06/2015
  • Status: Active Grant
First Claim
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1. A foaming soap pump comprising:

  • a fluid storage unit comprising a reservoir configured to store a fluid; and

    a fluid handling unit comprising;

    a pumping assembly configured to draw the fluid from the reservoir, the pumping assembly comprising;

    a pumping unit comprising a compartment having a resilient member, the resilient member being actuatable between a first state and a second state, a volume of the compartment being greater in the first state than in the second state;

    a motor configured to drive an actuation member, the actuation member configured to actuate the resilient member of the pumping unit between the first state and the second state;

    wherein, the pumping assembly is configured such that;

    when the actuation member actuates the resilient member from the second state to the first state, the volume in the compartment increases, thereby drawing the fluid into the compartment;

    when the actuation member actuates the resilient member from the first state to the second state, the volume in the compartment decreases, thereby expelling the fluid from the compartment; and

    a dispensing assembly configured to receive a flow of the fluid from the pumping assembly, the dispensing assembly comprising;

    a foaming unit configured to convert the fluid into a foamed soap product; and

    a discharge nozzle configured to dispense the foamed soap product out of the foaming soap pump.

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