초록

An easily operable liquid dispenser has a tamper-proof lid, a pressuring system that allows the dispenser to be operated either by a foot pump or by hand, and a control system that allows the amount of liquid dispensed by the dispenser to be varied.

대표청구항 ▼

A liquid dispenser comprising: (a) a housing providing a liquid reservoir; (b) a dispensing chamber in the housing, the dispensing chamber having an inlet for receiving liquid from the reservoir and a dispensing outlet for dispensing liquid from the dispensing chamber; (c) a resilient, flexible pump

A liquid dispenser comprising: (a) a housing providing a liquid reservoir; (b) a dispensing chamber in the housing, the dispensing chamber having an inlet for receiving liquid from the reservoir and a dispensing outlet for dispensing liquid from the dispensing chamber; (c) a resilient, flexible pump in communication with the dispensing chamber; (d) a piston for pressing against the pump; (e) a button for pressing against the piston, wherein the button and piston cooperate to form an enclosed push chamber; and (f) a fluid inlet into the push chamber for pressuring the push chamber to cause the piston to press against the pump without pushing the button.