US 12,178,370 B2 · Touch-free tabletop foam sanitizer dispenser

Abstract

An exemplary tabletop foam sanitizer dispenser includes a reservoir for containing liquid sanitizer. The bottle has a base for sitting on a surface. The base has a base diameter. The bottle has a top and a neck located proximate the top having an opening. The opening has an inner neck diameter. The base diameter is at least 3 times the inner neck diameter. A pump assembly is also included. The pump assembly has a cylindrical housing. The cylindrical housing having an outer housing diameter. The outer housing diameter is less than the inner neck diameter. The cylindrical housing is inserted into the bottle through the neck opening. A pump is located in the cylindrical housing. The pump includes a liquid inlet, an air inlet, a liquid outlet and an air outlet. A pump is motor located in the cylindrical housing. A battery is also located in the cylindrical housing. A nozzle housing is located above the cylindrical housing. A liquid and air mixing chamber located in the outlet nozzle housing. The liquid and air mixing chamber is in fluid communication with the liquid outlet and the air outlet. An outlet nozzle is in fluid communication with the mixing chamber and is located in a lower portion of the nozzle housing. The table top dispenser further includes a sensor for detecting a hand of a user positioned below the nozzle.

Claims21

Dependent claims

A tabletop foam sanitizer dispenser comprising:

a bottle comprising a reservoir for containing liquid sanitizer;
the bottle having a base for sitting on a surface;
the base having a base diameter;
the bottle having a top and a neck located proximate the top;
the neck having an opening;
the opening having an inner neck diameter;
wherein the base diameter is at least 3 times the inner neck diameter;
a pump assembly comprising:
a cylindrical housing;
the cylindrical housing having an outer housing diameter;
wherein the outer housing diameter is less than the inner neck diameter;
wherein the cylindrical housing is inserted into the bottle through the neck opening;
a pump located in the cylindrical housing;
the pump having
a liquid inlet;
an air inlet;
and
one or more fluid outlets;
a pump motor located in the cylindrical housing;
and
a battery located in the cylindrical housing;
and
a nozzle housing located above the cylindrical housing;
a liquid and air mixing chamber located in the outlet nozzle housing;
the liquid and air mixing chamber in fluid communication with the liquid outlet and the air outlet;
an outlet nozzle in fluid communication with the mixing chamber located in a lower portion of the nozzle housing;
and
a sensor for detecting a hand of a user positioned below the nozzle.

25 more elements

Dependencies are inferred from the claim text.

Touch-free tabletop foam sanitizer dispenser

Life of this patent

Touch-free tabletop foam sanitizer dispenser

Life of this patent

Abstract

Claims21