| 摘要 |
PURPOSE: An automatic liquid soap dispenser is provided to help economical and sanitary use of liquid soap at a public toilet by sensing user's hand and automatically dispensing a proper amount of liquid soap. CONSTITUTION: An automatic liquid soap dispenser is composed as follows. An ejector(E), a motor(M), an electronic circuit block(L) with a proximity switch(R), and a battery(B) are arranged on a holder(H). An exchangeable liquid soap tank(T) is placed on an ejector joint neck. A timer circuit, the electronic circuit block, and a motor are decelerated through a gear so that a screw of the ejector is rotated. Therefore, a proper amount of liquid soap is ejected over user's hand.
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