Patent ID: 11918156
Assignee: SIMPLEHUMAN, LLC
Field: Chemical engineering (Chemistry)
Classification: CPC A  B | IPC A

Claim 0:
1. A manually operated liquid dispenser, comprising:
a housing with a volume of space therein, the volume of space having a first end and a second end;
a pump sleeve extending into the space of the housing and nearly to a bottom, inside surface of the space;
a pump head;
a push rod coupled with the pump head and configured to be axially movable within an axial opening extending through the pump sleeve;
a passageway extending through at least the pump head and the push rod, the passageway being in fluid communication with the axial opening extending through the pump sleeve and with the volume of space within the housing;
a first valve configured to control a passage of a liquid substance within the volume of space in the housing through a passageway, the first valve comprising a first plug configured to be axially movable within a space within the first valve;
a second valve configured to control a passage of a liquid substance within the volume of space in the housing through a passageway in the pump head, the second valve comprising a second plug configured to be axially movable within a space within the second valve; and
an inner support member having one or more inwardly and downwardly sloping walls configured to facilitate filling the volume of space with the liquid substance;
wherein the second valve is located in a space within the pump head.