Patent ID: 7931172
Filing Date: 2011-04-26
Classification: B05B,G01F

Abstract:
1. A pump dispenser used with a lotion bottle, comprising: a tube seat engaged in a rotating lid of the lotion bottle; a pump arranged on a bottom of the tube seat for drawing lotion unilaterally; a through hole arranged in the tube seat and communicated with the pump; a circular groove formed on the tube seat and surrounding the through hole, the circular groove having a height lower than the opening of the through hole; a pipe movably received in the through hole to be configured for guiding the lotion in the pump; a press head placed over an opening of the pipe exposed out of the top of the through hole to be configured for guiding the lotion in the pipe out; at least one upper trapezoidal body arranged on the inner surface of the through hole, comprising: at least one lower trapezoidal body arranged on the inner surface of the through hole, comprising: at least one protrusion arranged on the outer surface of the pipe, the protrusion moving into or out of the bottom of the lower trapezoidal body by rotating the head press for preventing or permitting the press head from moving upwards, and the protrusion moving into or out of the top of the upper trapezoidal body by rotating the head press for preventing or permitting the press head from moving downwards.