Patent ID: 7658596

Claim:
A mini pump comprising: a body including a head formed on an end thereof, a handheld portion defined on another end thereof and a cylinder protruding from a top of the head; wherein the head forms a groove encompassing an outer periphery of the cylinder, and the handheld portion defines an engaging portion on an inner wall adjacent to the cylinder; a nozzle device including an anti-sliding element mounted on the head and a nozzle received in the cylinder; wherein the anti-sliding element includes a compartment for receiving the cylinder, and a first positioning portion extending from a bottom periphery of the anti-sliding element and inserted into the groove; a tube inserted into the handheld portion and having an engaging portion for engaging with the engaging portion of the handheld portion as to fix the tube to the body; and a cover element including a cover portion and an engaging portion, with the cylinder including a threaded portion for engaging with the engaging portion in the compartment of the anti-sliding element, with the cover portion adapted for abutting with a top periphery of the anti-sliding element and the cylinder as to fix the anti-sliding element onto the head.