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US 12,103,025 B2Granted
Spray wand
AssigneeW.M. Barr & Company, Inc.
InventorsKevin Andrew Kavchok, Matthew Michael Petkus, Alana Byrd, Rachel Ann Farmer
Life of this patent
Estimating the term…
Abstract
A spray wand for use with a chemical or chemical formulation in solid form. The spray wand has a spray wand body having a hollow tube with an angled wand spray end, a spray end selector attached to the angled wand spray end, a wand hose end screen inserted into or otherwise attached to the hollow tube of the spray wand body, and a wand hose end connected to the spray wand body. The wand hose end has a wand hose end valve for control of water flow from a hose. A refill cartridge having a swirl chamber may be attached to the hollow tube. The refill cartridge has external channels or grooves on its external surface as a water rinse feature for the spray wand.
Claims58
A spray wand comprising:
- a spray wand body having a central hollow tube running along length of the spray wand,
- a refill cartridge assembly configured to be inserted into the central hollow tube of the spray wand body in a same direction as the length of the central hollow tube,
- the spray wand body having a screen inserted at a distal end of the spray wand body, and
- a wand hose end having a handle connected to the spray wand body, wherein the refill cartridge assembly is configured to attach to the handle prior to insertion in the spray wand body.
1 more element
A spray wand comprising:
- a spray wand body having a central hollow tube running along length of the spray wand,
- a refill cartridge assembly, comprised of a refill cartridge, inserted into the central hollow tube in same direction as length of the central hollow tube, wherein the spray wand body is configured for receiving the refill cartridge assembly inside of the spray wand body, and
- a wand hose end having a handle connected to the spray wand body and wherein the wand hose end has a wand hose end valve for control of water flow from a hose, wherein the refill cartridge assembly is attached to the handle prior to insertion in the spray wand body.
A refill cartridge assembly comprising:
- a refill cartridge having a first end and a second end, and
- a swirl chamber, wherein the swirl chamber is attached to the first end of the refill cartridge by a threaded connection having a child resistant ratchet feature or by being chemically adhered or welded.
A swirl chamber comprising:
- a component having a front side and an opposing back side, and
- one or more raised projections having fluid exit windows on the front side of the component and wherein the front side of the component has tabs or prongs providing a one-way snap feature for attachment to a refill cartridge.
A spray wand comprising:
- a spray wand body having a central hollow tube running along length of the spray wand,
- a refill cartridge assembly, comprised of a refill cartridge, inserted into the central hollow tube in same direction as length of the central hollow tube,
- a wand hose end having a handle connected to the spray wand body and wherein the wand hose end has a wand hose end valve for control of water flow from a hose, and
- an insert/refill cartridge adapter attached via threaded engagement with the refill cartridge.
1 more element
A spray wand comprising:
- a spray wand body having a central hollow tube running along length of the spray wand,
- a refill cartridge assembly, comprised of a refill cartridge, inserted into the central hollow tube in same direction as length of the central hollow tube, and
- a wand hose end having a handle connected to the spray wand body and wherein the wand hose end has a wand hose end valve for control of water flow from a hose, wherein:
- the wand hose end valve has a setting to divert water around the refill cartridge assembly in a rinse mode.
1 more element
A spray wand comprising:
- a spray wand body having a central hollow tube running along length of the spray wand,
- a refill cartridge assembly, comprised of a refill cartridge, inserted into the central hollow tube in same direction as length of the central hollow tube, and
- a wand hose end having a handle connected to the spray wand body and wherein the wand hose end has a wand hose end valve for control of water flow from a hose, wherein:
- the spray wand has a rinse feature.
1 more element
A refill cartridge assembly comprising:
- a refill cartridge having a first end and a second end, and
- a swirl chamber, wherein the swirl chamber is attached to the first end and the second end comprises one or more holes, and wherein the swirl chamber is configured for fluid exit, wherein the refill cartridge is of varying length.
A refill cartridge assembly comprising:
- a refill cartridge having a first end and a second end, and
- a swirl chamber, wherein the swirl chamber is attached to the first end and the second end comprises one or more holes, and wherein the swirl chamber is configured for fluid exit, wherein the refill cartridge has one or more channels on an exterior surface of the refill cartridge.
A refill cartridge assembly comprising:
- a refill cartridge having a first end and a second end, and
- a swirl chamber attached to the first end and the second end comprises one or more holes, and wherein the swirl chamber is configured for fluid exit, wherein the refill cartridge has two external channels.
A refill cartridge assembly comprising:
- a refill cartridge having a first end and a second end, and
- a swirl chamber attached to the first end and the second end comprises one or more holes, and wherein the swirl chamber is configured for fluid exit, wherein one or more refill cartridges are connected to one another.
A swirl chamber comprising:
- a component having a front side and an opposing back side, and
- one or more raised projections having fluid exit windows on the front side of the component and wherein the front side of the component is configured for fluid exit, wherein the front side of the component has a threaded connection with a child resistant ratchet feature for attachment to a refill cartridge having a mating threaded connection.
Dependencies are inferred from the claim text.