초록

A pedestal fan which has a ratchet assembly, which permits the fan to pivot vertically up and down, which is resistant to position change.

대표청구항 ▼

[ I claim:] [1.] In a pedestal fan, which includes a base, tubing in said base, a fan housing, ratchet means in connecting relation with said tubing and said fan housing, the improvement which comprisessaid ratchet means includes an extension connected to said tubing,said extension has a pair of spa

[ I claim:] [1.] In a pedestal fan, which includes a base, tubing in said base, a fan housing, ratchet means in connecting relation with said tubing and said fan housing, the improvement which comprisessaid ratchet means includes an extension connected to said tubing,said extension has a pair of spaced side walls,neck means between said side walls, and movable therebetween,said neck means including a circular portion,said fan housing connected to said circular portion, and rotatable thereabout,one of said side walls having a plurality of radially extending teeth spaced therearound,a ratchet adjacent said one of said side walls having a plurality of spaced radially extending teeth spaced therearound and in contact with said side wall teeth,said ratchet having a shaft extending therefrom spanning said side walls,a spring carried by said other of said side walls,an opening in said spring to receive said shaft,an opening in said shaft,a serrated push pin in said shaft opening engaged with said spring and compressing said spring thereby urging said ratchet teeth into engagement with said side wall teeth,a plurality of blades extending along said shaft,a plurality of slots in said neck means to receive said blades, whereby vertical pivotal rotation of said neck is restrained by the engagement of said ratchet teeth and said side wall teeth.