US4781329A — Combined power duster and ULV aerosol generator

Claim 1

Independent Claim 348 words

An apparatus for dispensing material comprising: a base, having opposite sides and generally upright side flanges joined to the opposite sides thereof, an air compressor mounted on the base, a pressure relief valve connected to the air compressor to control the maximum air pressure, a motor mounted on the base drivably connected to the air compressor, hose means connected to the air compressor to carry compressed air, manually operated valve assembly connected to the hose means selectively operable to block the flow of air and allow air to flow through the valve assembly, a table secured to the base, and material dispenser means removable associated with the table, said dispenser means having a container with a chamber for storing material, said container having an open top, cap means mounted on the container closing the open top, nozzle means having a first passage open to a material discharge opening, means for connecting the valve assembly to the nozzle means to supply air under pressure to the first passage, tube means extended into the chamber for carrying material stored therein, means mounted on the cap means having a second passage open to the first passage and connected to the tube means for carrying material from the tube means when air flows through the first passage, said material in the chamber moves up the tube means, flows through the second passage into the first passage, and is discharged through the discharge opening to a desired location, valve means operatively associated with the means mounted on the cap means operable to selectively open and close the second passage to allow material to flow through the second passage into the first passage and stop the flow of material through the second passage, said table having downwardly directed side members secured to the side flanges, said side members being laterally spaced from the side flanges forming grooves, cover means for enclosing the air compressor, motor, air hose, valve assembly, table, and dispenser means, said cover means having side walls extended into said grooves, and latch means releasably connecting the cover means to the base.

Claim 2

Independent Claim 348 words

An apparatus for dispensing material comprising: a base, having opposite sides and generally upright side flanges joined to the opposite sides thereof, an air compressor mounted on the base, a pressure relief valve connected to the air compressor to control the maximum air pressure, a motor mounted on the base drivably connected to the air compressor, hose means connected to the air compressor to carry compressed air, manually operated valve assembly connected to the hose means selectively operable to block the flow of air and allow air to flow through the valve assembly, a table secured to the base, and material dispenser means removable associated with the table, said dispenser means having a container with a chamber for storing material, said container having an open top, cap means mounted on the container closing the open top, nozzle means having a first passage open to a material discharge opening, means for connecting the valve assembly to the nozzle means to supply air under pressure to the first passage, tube means extended into the chamber for carrying material stored therein, means mounted on the cap means having a second passage open to the first passage and connected to the tube means for carrying material from the tube means when air flows through the first passage, said material in the chamber moves up the tube means, flows through the second passage into the first passage, and is discharged through the discharge opening to a desired location, valve means operatively associated with the means mounted on the cap means operable to selectively open and close the second passage to allow material to flow through the second passage into the first passage and stop the flow of material through the second passage, said table having downwardly directed side members secured to the side flanges, said side members being laterally spaced from the side flanges forming grooves, cover means for enclosing the air compressor, motor, air hose, valve assembly, table, and dispenser means, said cover means having side walls extended into said grooves, and latch means releasably connecting the cover means to the base.

Claim 3

Dependent Claim 36 words

The apparatus of claim 1 wherein: said table has a generally flat top wall and downwardly directed side members locating the top wall above the base, said top wall having means for accommodating the dispenser means.

Claim 4

Dependent Claim 34 words

The apparatus of claim 2 wherein: the means for accommodating the dispenser means comprises an opening in the top wall for the container, said container extended through the opening and supported on the base.

Claim 5

Dependent Claim 60 words

The apparatus of claim 1 wherein: said dispenser means comprises a first dispenser unit having a first container and a second dispenser unit having a second container, said table means having a top wall with a first opening for the first container and a second opening for the second container, said first and second containers being supported on the base.

Claim 6

Dependent Claim 40 words

The apparatus of claim 1 wherein: the air compressor and motor are laterally spaced from one side of the base providing a storage area for the hose means, said hose means being normally coiled when located in the storage area.

Claim 7

Dependent Claim 75 words

The apparatus of claim 1 wherein: the means mounted on the cap means comprises a body having the second passage, a bore in said body intersecting said second passage, said valve means including a valving member located in said bore having a passage aligned with the second passage to allow material to flow through the second passage, said valving member being movable to a position to block the flow of material through the second passage.

Claim 8

Dependent Claim 19 words

The apparatus of claim 1 wherein: said nozzle means has sleeve means having an air and material discharge opening.

Claim 9

Dependent Claim 55 words

The apparatus of claim 1 including: an applicator tube assembly mounted on the nozzle means to carry the air and material toward a desired location, said tube assembly having a material discharge end and a flexible portion whereby the nozzle means and container can be moved relative to the discharge end of the tube assembly.

Claim 10

Dependent Claim 95 words

The apparatus of claim 1 wherein: said nozzle means has a body, a coupling having said first passage mounted on the body, a sleeve having a throat passage mounted on the coupling, said throat passage aligned with the first passage to carry air through the nozzle means, said body having the second passage, said second passage being open to said throat passage whereby air flowing through the throat passage draws material up the tube means and through the second passage into the throat passage, said material mixing with the air discharged from the nozzle means.

Claim 11

Dependent Claim 61 words

The apparatus of claim 9 wherein: said body has a bore intersecting the second passage, said valve means including a valving member located in said bore having a passage aligned with the second passage to allow material to flow through the second passage, said valving member being movable to a position to block the flow of material through the second passage.

Claim 12

Dependent Claim 65 words

The apparatus of claim 1 wherein: said container has walls to withstand the pressure of the air supplied by the air compressor, said means mounted on the cap means having a third passage open to the chamber of the container and the first passage to allow air under pressure to flow into the chamber, said air assisting the movement of material up the tube means.

Claim 13

Dependent Claim 43 words

The apparatus of claim 11 including: an applicator tube assembly mounted on the nozzle means to carry the air and material toward a desired location, said tube assembly having a material discharge end with at least one small air and material discharge opening.

Claim 14

Dependent Claim 31 words

The apparatus of claim 12 wherein: said tube assembly has a flexible portion whereby the nozzle means and container can be moved relative to the discharge end of the tube assembly.

Claim 15

Dependent Claim 130 words

The apparatus of claim 1 wherein: said nozzle means has a body with a threaded bore extended through the body for connecting the valve assembly to the body, a coupling mounted on the body with an end portion thereof threaded into said bore, said coupling having a passage and a port connecting the coupling passage with the second passage, said coupling being removeable from said body whereby a coupling with a selected size coupling passage can be mounted on the body, said material being mixed with the air and directed to a selected location, and transverse cylindrical valve means operatively associated with the said nozzle means for selectively allowing material to flow through the second passage into the first passage and stop the flow of material through the second passage.

Claim 16

Dependent Claim 37 words

The apparatus of claim 14 wherein: the means for accommodating the container of the dispensing means comprises an opening in the top wall for the container, said container extended through the opening and supported on the base.

Claim 17

Dependent Claim 18 words

The apparatus of claim 15 wherein: said top wall has a second opening for accommodating a second container.

Claim 18

Dependent Claim 59 words

The apparatus of claim 14 wherein: said container has walls to withstand the pressure of air supplied to the nozzle means, said nozzle means having a third passage open to the chamber of the container and the first passage to allow air under pressure to flow into the chamber, air assisting the movement of material up the tube means.

Claim 19

Dependent Claim 43 words

The apparatus of claim 17 including an applicator tube assembly mounted on the nozzle means to carry the air and material toward a desired location, said tube assembly having a material discharge end with at least one small air and material discharge opening.

Claim 20

Dependent Claim 31 words

The apparatus of claim 18 wherein: said tube assembly has a flexible portion whereby the nozzle means and container can be moved relative to the discharge end of the tube assembly.

Claim 21

Dependent Claim 218 words

The apparatus of claim 1 wherein: said nozzle means has an upright body having a bore extended through the body with an air inlet end and an air and material outlet end, said body being internally threaded through said bore between the inlet and outlet ends thereof, a coupling having a threaded end portion threaded into the air inlet end of said coupling having an enlarged diameter portion adjacent the threaded end portion, the enlarged diameter portion having an inner face engageable with the body to limit the inward movement of the coupling into a predetermined position in the bore, lock means mounted on the body engageable with the coupling to hold the coupling in the predetermined position on the body, said coupling having a passage for carrying air under pressure, said end portion of the coupling having a throat passage and outlet passage downstream of the throat passage aligned with the coupling passage to carry air through the coupling, said body having a passage normal to said coupling passage for carrying material to the outlet passage, said coupling having a port open to the body passage and outlet passage whereby material flows through the body passage into the outlet passage, said material being mixed with air flowing through the outlet passage and discharged to a selective location.

Claim 22

Dependent Claim 26 words

The nozzle assembly of claim 20 wherein: said valve means is mounted on the body operable to control the flow of material through the body passage.

Claim 23

Dependent Claim 82 words

The nozzle assembly of claim 20 wherein: said body has a body bore intersecting the second passage, a valving member located in said second bore, said valving member having a passage aligned with the body passage to allow material to flow through the outlet passage for carrying material to the outlet passage, said material being mixed with air flowing through the outlet passage and discharged to a selective location, said valving member being moved to a position to close said body passage.

Claim 24

Dependent Claim 44 words

The nozzle assembly of claim 20 including: sleeve means threaded into the outlet end of said bore adjacent the end portion of the coupling, said sleeve means having an air and material discharge passage for carrying the air and material toward the selected location.

Claim 25

Dependent Claim 76 words

The nozzle assembly of claim 20 including: and applicator tube means mounted on the body to carry air and material from the outlet passage toward a desired location, said tube means having sleeve means threaded into the outlet end of said bore, a material discharge end, and a flexible sleeve portion connecting the sleeve means with the discharge end whereby the body and coupling can be moved relative too the discharge end of the tube means.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1991-11-01	1992-05-02	1992-11-01	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1995-11-01	1996-05-02	1996-11-01	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1999-11-01	2000-05-02	2000-11-01	$7700.00	Window Closed / Lapsed

Combined power duster and ULV aerosol generator

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