Sprayer attachment for leaf blower

Claim 2

A garden insecticide spray attachment for use with a leaf blower of the type having structural parts including a fixed centrifugal air impeller casing provided with a fixed tangential discharge duct and a side air intake opening, comprising in combination: a. an attachable tank having a bottom wall and side walls, and means for releasably attaching the tank to said structural parts of the leaf blower, b. a discharge line for liquid, secured to the bottom wall of the tank to conduct spraying liquid therefrom by gravity flow, said line having a discharge end adapted to extend into the air-stream of the air impeller, c. manually operable valve means for controlling the gravity flow of liquid through said discharge line, d. an attachable discharge conduit having a nozzle portion movable with respect to the remainder, to direct fluid passing through it in different directions, e. means for releasably securing the discharge conduit to the fixed discharge duct of the leaf blower, and f. manually operable means for shifting the movable nozzle portion of the discharge conduit, g. said discharge conduit and discharge line constituting cooperable parts attachable as a cooperable assemblage to the leaf blower, and said conduit having means enabling the discharge end of the liquid discharge line to extend into it so as to discharge liquid under the action of gravity into the air stream passing through the conduit.

Claim 3

A spray attachment as in claim 1, wherein: a. the tank has a generally rectangular configuration one lower corner of which has a walled curvilinear recess to accommodate the casing of the air impeller.

Claim 4

A spray attachment as in claim 1, wherein: a. the manually operable valve means comprises a valve stem disposed in the tank, a valve carried by the stem, and a seat cooperable with the valve and carried on the bottom wall of the tank.

Claim 5

A spray attachment as in claim 3, and further including: a. a manually operable control device carried by the tank, for holding said valve means in open position thereby to obtain a given rate of flow through the discharge line.

Claim 6

A spray attachment as in claim 1, wherein: a. the discharge conduit comprises a rectangular adapter member for attachment to the blower discharge duct, and a bendable portion including a wire reinforcement connected to and extending from the adapter member.

Claim 7

A garden insecticide spray attachment for use with a leaf blower of the type having structural parts including a centrifugal air impeller provided with a tangential discharge duct and a side air intake opening, comprising in combination: a. a tank having a bottom wall and side walls, and means for releasably attaching the tank to said structural parts of the leaf blower, said tank having a generally rectangular configuration one lower corner of which has a walled curvilinear recess to accommodate the case of the air impeller. b. a discharge line for liquid, secured to the bottom wall of the tank to conduct spraying liquid therefrom, said line having a free end adapted to extend into the air-stream of the air impeller, c. manually operable valve means for controlling the flow of liquid through said discharge line, d. a discharge conduit having a nozzle portion movable with respect to the remainder, to direct fluid passing through it in different directions, e. means for releasably securing the discharge conduit to the discharge duct of the leaf blower, and f. manually operable means for shifting the movable nozzle portion of the discharge conduit, g. the bottom wall of the tank being raised and meeting the wall of the curvilinear recess, h. said tank having side walls extending below the raised bottom wall and constituting supporting edges on which the tank can stand when otherwise unsupported.

Claim 8

A garden insecticide spray attachment for use with a leaf blower of the type having structural parts including a centrifugal air impeller provided with a tangential discharge duct and a side air intake opening, comprising in combination: a. a tank having a bottom wall and side walls, and means for releasably attaching the tank to said structural parts of the leaf blower, said tank having a generally rectangular configuration one lower corner of which has a walled curvilinear recess to accommodate the case of the air impeller. b. a discharge line for liquid, secured to the bottom wall of the tank to conduct spraying liquid therefrom, said line having a free end adapted to extend into the air-stream of the air impeller, c. manually operable valve means for controlling the flow of liquid through said discharge line, d. a discharge conduit having a nozzle portion movable with respect to the remainder, to direct fluid passing through it in different directions, e. means for releasably securing the discharge conduit to the discharge duct of the leaf blower, and f. manually operable means for shifting the movable nozzle portion of the discharge conduit, g. the bottom wall of the tank being raised and meeting the wall of the curvilinear recess, h. said tank having side walls extending below the raised bottom wall and constituting supporting edges on which the tank can stand when otherwise unsupported.

Claim 9

A spray attachment as in claim 6, wherein: a. said discharge line comprises a tube extending through one side wall of the tank below said bottom wall, b. said tank bottom wall having a discharge opening and a valve seat at said opening, c. means securing the said tube to the tank bottom wall around the discharge opening, d. said manually operable valve means including a valve in the tank, cooperable with said seat.

Claim 10

A garden insecticide spray attachment for use with a leaf blower of the type having structural parts including a centrifugal air impeller provided with a tangential discharge duct and a side air intake opening, comprising in combination: a. a tank having a bottom wall and side walls, and means for releasably attaching the tank to said structural parts of the leaf blower, b. a discharge line for liquid, secured to the bottom wall of the tank to conduct spraying liquid therefrom, said line having a free end adapted to extend into the air-stream of the air impeller, c. manually operable valve means for controlling the flow of liquid through said discharge line, d. a discharge conduit having a nozzle portion movable with respect to the remainder, to direct fluid passing through it in different directions, e. means for releasably securing the discharge conduit to the discharge duct of the leaf blower, and f. manually operable means for shifting the movable nozzle portion of the discharge conduit, g. said manually operable valve means comprising a valve stem disposed in the tank, a valve carried by the stem, and a stem cooperable with the valve and carried on the bottom wall of the tank, h. an adjustment device carried by the tank, for holding said valve means in different adjusted positions thereby to obtain different rates of flow through the discharge line, i. the adjustment device comprising a collar mounted on the tank and surrounding the valve stem, j. said collar having a stepped edge at one end, k. said valve stem having a laterally projecting shoulder engageable with said stepped edge to effect different axial positions of the stem.

Claim 11

A garden insecticide spray attachment for use with a leaf blower of the type having structural parts including a centrifugal air impeller provided with a tangential discharge duct and a side air intake opening, comprising in combination: a. a tank having a bottom wall and side walls, and means for releasably attaching the tank to said structural parts of the leaf blower, b. a discharge line for liquid, secured to the bottom wall of the tank to conduct spraying liquid therefrom, said line having a free end adapted to extend into the air-stream of the air impeller, c. manually operable valve means for controlling the flow of liquid through said discharge line, d. a discharge conduit having a nozzle portion movable with respect to the remainder, to direct fluid passing through it in different directions, e. means for releasably securing the discharge conduit to the discharge duct of the leaf blower, and f. manually operable means for shifting the movable nozzle portion of the discharge conduit, g. said manually operable valve means comprising a valve stem disposed in the tank, a valve carried by the stem, and a stem cooperable with the valve and carried on the bottom wall of the tank, h. an adjustment device carried by the tank, for holding said valve means in different adjusted positions thereby to obtain different rates of flow through the discharge line, i. the adjustment device comprising a collar mounted on the tank and surrounding the valve stem, j. said collar having a stepped edge at one end, k. said valve stem having a laterally projecting shoulder engageable with said stepped edge to effect different axial positions of the stem.

Claim 12

A spray attachment as in claim 8, wherein: a. the valve stem has a handle and is turnable to locate the shoulder thereof in different positions along the stepped edge of the collar.

Claim 13

A garden insecticide spray attachment for use with a leaf blower of the type having structural parts including a centrifugal air impeller provided with a tangential discharge duct and a side air intake opening, comprising in combination: a. a tank having a bottom wall and side walls, and means for releasably attaching the tank to said structural parts of the leaf blower, b. a discharge line for liquid, secured to the bottom wall of the tank to conduct spraying liquid therefrom, said line having a free end adapted to extend into the air-stream of the air impeller, c. manually operable valve means for controlling the flow of liquid through said discharge line, d. a discharge conduit having a nozzle portion movable with respect to the remainder, to direct fluid passing through it in different directions, e. means for releasably securing the discharge conduit to the discharge duct of the leaf blower, and f. manually operable means for shifting the movable nozzle portion of the discharge conduit, g. the discharge conduit comprising a rectangular adapter member for attachment to the blower discharge duct, and a bendable portion including a wire reinforcement connected to and extending from the adapter member, h. the means for shifting the nozzle portion of the discharge conduit comprising a flexible line having one end secured to the conduit at the adapter member, said line passing through the conduit and, as it is pulled in different directions, flexing the bendable portion to direct the discharge of insecticide spray to desired areas.

Claim 14

A garden insecticide spray attachment for use with a leaf blower of the type having structural parts including a centrifugal air impeller provided with a tangential discharge duct and a side air intake opening, comprising in combination: a. a tank having a bottom wall and side walls, and means for releasably attaching the tank to said structural parts of the leaf blower, b. a discharge line for liquid, secured to the bottom wall of the tank to conduct spraying liquid therefrom, said line having a free end adapted to extend into the air-stream of the air impeller, c. manually operable valve means for controlling the flow of liquid through said discharge line, d. a discharge conduit having a nozzle portion movable with respect to the remainder, to direct fluid passing through it in different directions, e. means for releasably securing the discharge conduit to the discharge duct of the leaf blower, and f. manually operable means for shifting the movable nozzle portion of the discharge conduit, g. the discharge conduit comprising a rectangular adapter member for attachment to the blower discharge duct, and a bendable portion including a wire reinforcement connected to and extending from the adapter member, h. the means for shifting the nozzle portion of the discharge conduit comprising a flexible line having one end secured to the conduit at the adapter member, said line passing through the conduit and, as it is pulled in different directions, flexing the bendable portion to direct the discharge of insecticide spray to desired areas.