| 摘要 |
A liquid dispensing device which includes a housing and a spring actuated lever arm hingedly connected to the housing and having a latch operatively connected to a toothed bar wherein upon depression of the lever arm the toothed bar is axially displaced toward the front end of the housing and during return of the lever arm to its original position, the toothed bar is released, wherein the lever arm, the spring and the latch are integral, and the spring and latch are the same element.
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