Humidifier with float activated water level responsive turn off

Claim 1

A humidifier .Iadd.apparatus .Iaddend.comprising: a base .[.means.]. defining a reservoir for retaining a liquid volume having an upper surface; a humidification unit removably mounted on said base .[.means.]. and comprising an electrically energized humidifier .[.means.]. adapted to induced dispersion of liquid retained by said reservoir, a flow passage including a receiving end communicating with said reservoir and a discharge end for discharging dispersed liquid received therefrom, and .Iadd.a .Iaddend.switch .[.means.]. adapted in an active condition to energize said humidifier .[.means.]. and in an inactive condition to cause deenergization thereof; .[.and.]. an actuator .[.means.]. retained by said base .[.means.]. and adapted for movement between activating and inactivating positions with respect to said switch .[.means.]., said actuator .[.means.]. adapted in said activating positions to actuate said switch .[.means.]. into said active condition and in said inactivating positions to actuate said switch .[.means.]. into said inactive condition and wherein both given changes in the level of said upper surface and movement of said humidification unit relative to said base .[.means.]. produce said movement of said .[.actuator means.]. .Iadd.switch; and a guide for guiding movement of said actuator between said activating and inactivating positions.Iaddend..