|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||239/76 ; 239/175 ; 239/176 ; 239/444|
|발명자 / 주소|
|인용정보||피인용 횟수 : 7 인용 특허 : 0|
A reversing switch and more particularly a diaphragm operated electrical polarity reversing switch which has general utility but in the application the reversing switch is disclosed for use in combination with a vehicle mounted spray device including a discharge nozzle which may be used for applying chemicals, liquid fertilizers and other liquids such as when applying such materials alongside of roadways to effectively apply liquid throughout the width of the road right-of-way in which spray nozzles are mounted adjustably on a pivotal arm-type support as...
A liquid spraying apparatus adapted to be mounted on a vehicle for applying liquid to a traversed surface at different flow rates comprising a plurality of independently actuated valve nozzles with each nozzle having a different flow rate when supplied liquid at the same predetermined pressure, means supplying liquid to said nozzles at said predetermined pressure, said means including a reversible motorized valve controlling flow to the nozzles for varying the flow rate to the nozzles thereby maintaining said predetermined pressure and means controlling ...