Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Philip D. Lowance
Date of Patent
October 10, 2023
Patent Application Number
18108568
Date Filed
February 10, 2023
Patent Citations
Patent Primary Examiner
Patent abstract
Automatic electric actuation of the pump of a liquid dispenser apparatus is provided by a stepper motor having a threaded hollow liquid-conducting tube positioned therein and configured such that motor drives the hollow tube up and down in response to supply of a plurality of electrical pulses thereto. A lower end of the hollow tube is constructed to inter-fit with a stem of the pump such that driving the hollow tube up and down creates a pumping action.
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