Patent ID: 6413002
Filing Date: 2002-07-02
Classification: A46B

Abstract:
A method of cleaning a surface, comprising:a. providing a push broom having a broom head; b. providing on the broom head a spray bar which is independently adjustable relative to the broom head, to change a spray angle to the ground, wherein the spray bar has an arcuate shape; c. disposing a lever-controlled spring-loaded valve on the push broom that supplies fluid to the spray bar to enable the spray bar to spray fluid at a sufficient fluid pressure and force in front of and away from the broom head at an angle to the surface such that debris is lifted and carried forward of the broom head; d. positioning the broom head behind debris to be swept; e. enabling fluid flow through the lever-controlled spring-loaded valve while performing a sweeping stroke; f. disabling fluid flow through the lever-controlled spring-loaded valve at the end of the sweeping stroke; and g. if sweeping is to continue, lifting and repositioning broom head, then repeating steps (d) through (f).