A sprayer device includes a tube extended from a sprayer member and a hose coupling the tube to a water reservoir. A pipe is slidably engaged on the hose and the tube. A control ferrule is engaged on the pipe and has an inclined inner peripheral surface for adjustable forcing and securing the pipe to...http://www.google.fr/patents/US6322006?utm_source=gb-gplus-shareBrevet US6322006 - Sprayer device having adjustable handle
