초록 ▼

A mobile hand-pushed boom type spray apparatus which includes a three-wheeled support, having one wheel which is positionable to select and maintain a constant spray boom height above a surface, thereby increasing the precision of the spray application and improving the ability to track a given path

A mobile hand-pushed boom type spray apparatus which includes a three-wheeled support, having one wheel which is positionable to select and maintain a constant spray boom height above a surface, thereby increasing the precision of the spray application and improving the ability to track a given path.

대표청구항 ▼

A manually movable spraying apparatus for generally uniformly distributing materials along a path of travel comprising: frame means; primary ground engaging means operatively attached to said frame means along a common axis supporting said frame means for providing mechanical advantage in moving sai

A manually movable spraying apparatus for generally uniformly distributing materials along a path of travel comprising: frame means; primary ground engaging means operatively attached to said frame means along a common axis supporting said frame means for providing mechanical advantage in moving said apparatus over a surface; spray nozzle means operatively attached to said frame means above said surface and substantially offset from said axis, pivotal movement of said frame means about said common axis causing a variation in height of said nozzle means above said surface; secondary ground engaging means adjustably attached to said frame means for providing a mechanical advantage in moving said apparatus and for resisting pivotal movement of said frame means about said axis for maintaining said nozzle means at a spaced apart distance from said surface while moving said apparatus and; adjustable mounting means adjustably attached to said frame means and to which said secondary ground engaging means is operatively attached for adjustably controlling the height of said spray nozzle means above said surface, said adjustable mounting means including an adjustment bar bracket selectively positionable along said frame means and an adjustment bar being adjustably attached to said frame by said adjustment bar bracket.