Patent ID: 7694855

Claim:
A dispenser, comprising: an actuating section having a first moveable member; a hydraulic section coupled with said actuating section and having a second moveable member, said hydraulic section adapted to dispense a liquid from an outlet and said actuating section adapted to control dispensing of the liquid; a flexible, non-diaphragm seal positioned between said hydraulic section and said actuating section and adapted to prevent the liquid from leaking into said actuating section; a pivoting lever arm having a first end operatively coupled with said first moveable member in said actuating section, said pivoting lever arm extending from said first end through said seal and into said hydraulic section, and further including a second end operatively coupled with said second moveable member in said hydraulic section, wherein said first moveable member is operative to move said second moveable member between open and closed positions for respectively starting and stopping flow of liquid from said outlet; and a bushing support coupled with said pivoting lever arm and adapted to support said seal, said bushing support positioned radially inward of a periphery of said seal.