Patent ID: 8678244
Filing Date: 2014-03-25
Classification: A47K,B05B

Abstract:
1. A portable soap dispenser, comprising: a housing; a reservoir that is configured to store a volume of liquid soap; a fluid passage comprising an inlet and an outlet; a motor configured to a drive a pump in fluid communication with the reservoir, the pump configured to encourage a flow of the liquid soap into the inlet and out of the outlet of the fluid passage; a staging chamber in fluid communication with and upstream of the pump, the staging chamber configured to receive a primed volume of the liquid soap, to retain the primed volume of the liquid soap when the motor is not driving the pump, and to dispense at least a portion of the primed volume of the liquid soap to the pump when the motor is driving the pump; and a nozzle in fluid communication with the outlet of the fluid passage, the nozzle being supported by the housing and projecting outward from the housing so as to be at least partly visible to an observer outside of the dispenser; wherein the nozzle comprises a flange and a duckbill valve, the flange being configured to mate with an annular surface of the housing, thereby forming a generally liquid tight seal therebetween, the duckbill valve including a first deflectable member and a second deflectable member with a slit therebetween, the first deflectable member and the second deflectable member being biased toward each other, thereby inhibiting the liquid soap from being dispensed from the dispenser until the bias has been overcome.