Design and Fabrication of Manually Operated Pesticide sprayer

The design and fabrication of manually operated pesticide sprayer. Sprayer consists of back pack sprayer which is mounted on the tank base of the trolley. The piston rod of the tank is connected to the crank which is mounted on the smaller gear which in turn is meshed with a larger gear; the larger gear is mounted on the trolley. The pump is connected to the pressure tank which pressurizes the fluid during operation and stores in the pressure tank. Using a flexible hose the pressurized pesticide is transferred to the multiple nozzles. According to the need the valve is operated so as to obtain a fine spray throughout. By using manually operated pesticide sprayer the strain which is caused to the farmers in conventional backpack sprayer is reduced and larger area can be covered in a short time.