Patent ID: 6267308
Filing Date: 2001-07-31
Classification: B08B,E01H

Abstract:
A curb cleaner nozzle assembly comprising:an adjustable height carriage assembly;a dual nozzle spray head assembly rotatably connected to an upper deck plate of said carriage assembly; anda flow control valve assembly with a valve body connected to said input of an input line of said dual nozzle spray head assembly and a spring loaded, valve control lever connected to said valve body with a shielded push/pull mechanical cable assembly;said adjustable height carriage assembly having a substantially planar upper deck plate, a handle assembly extending from a rear end upper surface of said upper deck plate and a number of wheel assemblies mounted to said upper deck plate in a manner to rollably support said upper deck plate;each wheel assembly including a height adjustment mechanism for allowing a user to adjust said height at which said wheel assembly supports said upper deck plate;said dual nozzle spray head assembly including a single input pipe mounted to a nozzle orientation plate rotatably connected to an upper surface of said upper deck plate;said single input pipe being in fluid flow connection with a top nozzle supply pipe terminating in a top nozzle having a top discharge orifice and a side nozzle supply pipe terminating in a side nozzle have a side discharge orifice;said top nozzle and said side nozzle each being detachable, respectively, from said top nozzle supply pipe and said side nozzle supply pipe;said top discharge orifice discharging water at a right angle to water discharged from said side discharge orifice;said nozzle orientation plate being lockable in a desired position with respect to said upper deck plate with a rotating base locking pin;said valve body having a flow control valve connected between a nozzle connector and a high pressure supply line connector;said nozzle connector being in fluid flow connection with said input pipe of said nozzle assembly;said flow control valve being controlled by said spring loaded, valve control lever;said spring loaded valve control lever being mounted on said handle;said spring loaded valve control lever being biased in a manner to move said spring loaded valve control lever away from said handle and to shut off flow through said flow control valve;said flow control valve being opened by squeezing said spring loaded valve control lever towards said handle.