Nozzle for sprayer

Claim 2

A nozzle device for connection with a pump means, comprising: a nozzle body having formed therein at least one delivery hole communicating via a flow path extending axially along an axis thereof with said pump means such that liquid is fed to said at least one delivery hole by said pump means; a sealing member fitted around said nozzle body axially rearward of said at least one delivery hole; a cap member having front and rear portions, formed around a central axis and being axially movably mounted on said nozzle body, said cap member having a spray opening, including said central axis, formed at a front face of said front portion and a plurality of discharge openings formed through an outer periphery of said front portion, said cap member being movable in axially rearward and forward directions relative to said nozzle body to a plurality of positions, in said plurality of positions supply of liquid from said at least one delivery hole to said discharge openings in either blocked or not blocked by said sealing member; and a cover member formed around said central axis and mounted on said front portion of the cap member, said cover member having an outlet hole including said central axis, said outlet hole being in alignment with and axially forward of said spray opening so as to confront and communicate with said spray opening, and a passageway for the flow of liquid from said at least one delivery hole through said plurality of discharge openings to said outlet hole defined between the inner periphery of the cover member and the outer periphery of the cap member such that said nozzle device provides three distinct modes of delivery of said liquid.

Claim 3

A nozzle device as in claim 1, wherein said cap member has an annular projection formed on said outer periphery thereof, and said cover member is provided with an annular groove on an inner periphery thereof, such that said cover member is mounted on said cap member through elastic engagement of said annular groove of said cover member with said annular projection of said cap member.

Claim 4

A nozzle device for connection with a pump means, comprising: a nozzle body having formed therein at least one delivery hole communicating via a flow path extending axially along an axis thereof with said pump means such that liquid is fed to said at least one delivery hole by said pump means; a sealing member fitted around said nozzle body axially rearward of said at least one delivery hole; a cap member having front and rear portions and being axially movably mounted on said nozzle body, said cap member having a spray opening formed at a front face of said front portion and a plurality of discharge openings formed through an outer periphery of said front portion, said cap member being movable in axially rearward and forward directions relative to said nozzle body to a plurality of positions, in said plurality of positions supply of liquid from said at least one delivery hole to said discharge openings is either blocked or not blocked by said sealing member; a cover member mounted on said front portion of the cap member, said cover member having an outlet hole, said outlet hole being in alignment with and axially forward of said spray opening so as to confront and communicate with said spray opening, and a passageway for the flow of liquid from said at least one delivery hole through said plurality of discharge openings to said outlet hole defined between the inner periphery of the cover member and the outer periphery of the cap member such that said nozzle device provides three distinct modes of delivery of said liquid; and further including a plurality of ribs formed extending in an axial direction on an inner periphery of said cover member defining said passageway.

Claim 5

A nozzle device for connection with a pump means, comprising: a nozzle body having formed therein at least one delivery hole communicating via a flow path extending axially along an axis thereof with said pump means such that liquid is fed to said at least one delivery hole by said pump means; a sealing member fitted around said nozzle body axially rearward of said at least one delivery hole; a cap member having front and rear portions and being axially movably mounted on said nozzle body, said cap member having a spray opening formed at a front face of said front portion and a plurality of discharge openings formed through an outer periphery of said front portion, said cap member being movable in axially rearward and forward directions relative to said nozzle body to a plurality of positions, in said plurality of positions supply of liquid from said at least one delivery hole to said discharge openings is either blocked or not blocked by said sealing member; a cover member mounted on said front portion of the cap member, said cover member having an outlet hole, said outlet hole being in alignment with and axially forward of said spray opening so as to confront and communicate with said spray opening, and a passageway for the flow of liquid from said at least one delivery hole through said plurality of discharge openings to said outlet hole defined between the inner periphery of the cover member and the outer periphery of the cap member such that said nozzle device provides three distinct modes of delivery of said liquid; and further including a plurality of ribs formed extending in an axial direction on an inner periphery of said cover member defining said passageway.

Claim 6

A nozzle device for connection with a pump means, comprising: a nozzle body having formed therein at least one delivery hole communicating via a flow path extending axially along an axis thereof with said pump means such that liquid is fed to said at least one delivery hole by said pump means; a sealing member fitted around said nozzle body axially rearward of said at least one delivery hole; a cap member having front and rear portions and being axially movably mounted on said nozzle body, said cap member having a spray opening formed at a front face of said front portion and a plurality of discharge openings formed through an outer periphery of said front portion, said cap member being movable in axially rearward and forward directions relative to said nozzle body to a plurality of positions, in said plurality of positions supply of liquid from said at least one delivery hole to said discharge openings is either blocked or not blocked by said sealing member; a cover member mounted on said front portion of the cap member, said cover member having an outlet hole, said outlet hole being in alignment with and axially forward of said spray opening so as to confront and communicate with said spray opening, and a passageway for the flow of liquid from said at least one delivery hole through said plurality of discharge openings to said outlet hole defined between the inner periphery of the cover member and the outer periphery of the cap member such that said nozzle device provides three distinct modes of delivery of said liquid; and said nozzle body comprises a front end portion, a body portion and a rear connector portion, said body portion consisting of a front body portion, an intermediate body portion and a rear body portion, said front body portion having a diameter smaller than that of said front end portion, said intermediate body portion having a diameter larger than that of said front body portion and said rear body portion having a diameter larger than that of said intermediate body portion, said intermediate body portion having formed on the surface thereof a circumferential groove in which said sealing member is fitted, said circumferential groove having a width which accommodates said sealing member and allows said sealing member to be moved axially relative to said body portion a predetermined distance when said cap member is moved said predetermined distance to provide a space between the front face of said cap member and the front end portion of said nozzle body, the plurality of discharge openings being directly closed by said sealing member over said predetermined distance, such that by axially moving said cap member relative to said nozzle body said distance between the front face of the cap member and front end portion of the nozzle body, said nozzle device is changed over from a spray mode for spraying liquid to a spouting mode for spouting liquid.

Claim 7

A nozzle device for connection with a pump means, comprising: a nozzle body having formed therein at least one delivery hole communicating via a flow path extending axially along an axis thereof with said pump means such that liquid is fed to said at least one delivery hole by said pump means; a sealing member fitted around said nozzle body axially rearward of said at least one delivery hole; a cap member having front and rear portions and being axially movably mounted on said nozzle body, said cap member having a spray opening formed at a front face of said front portion and a plurality of discharge openings formed through an outer periphery of said front portion, said cap member being movable in axially rearward and forward directions relative to said nozzle body to a plurality of positions, in said plurality of positions supply of liquid from said at least one delivery hole to said discharge openings is either blocked or not blocked by said sealing member; a cover member mounted on said front portion of the cap member, said cover member having an outlet hole, said outlet hole being in alignment with and axially forward of said spray opening so as to confront and communicate with said spray opening, and a passageway for the flow of liquid from said at least one delivery hole through said plurality of discharge openings to said outlet hole defined between the inner periphery of the cover member and the outer periphery of the cap member such that said nozzle device provides three distinct modes of delivery of said liquid; and said nozzle body comprises a front end portion, a body portion and a rear connector portion, said body portion consisting of a front body portion, an intermediate body portion and a rear body portion, said front body portion having a diameter smaller than that of said front end portion, said intermediate body portion having a diameter larger than that of said front body portion and said rear body portion having a diameter larger than that of said intermediate body portion, said intermediate body portion having formed on the surface thereof a circumferential groove in which said sealing member is fitted, said circumferential groove having a width which accommodates said sealing member and allows said sealing member to be moved axially relative to said body portion a predetermined distance when said cap member is moved said predetermined distance to provide a space between the front face of said cap member and the front end portion of said nozzle body, the plurality of discharge openings being directly closed by said sealing member over said predetermined distance, such that by axially moving said cap member relative to said nozzle body said distance between the front face of the cap member and front end portion of the nozzle body, said nozzle device is changed over from a spray mode for spraying liquid to a spouting mode for spouting liquid.

Claim 8

The nozzle device of claim 4, wherein said at least one delivery hole is located in said front body portion of said nozzle body and includes two delivery holes extending radially in alignment with each other and communicating with said flow path.

Claim 9

The nozzle device of claim 5, wherein said front end portion of said nozzle body has two slots formed therein parallel with each other symmetrical with respect to the axis thereof which communicate with said delivery holes of said front body portion.

Claim 10

The nozzle device of claim 4, wherein said rear body portion of said nozzle body has an external thread portion formed on an outer periphery thereof such that an internal thread portion of said cap member engages said external thread portion of said rear body portion when said cap member is mounted on said nozzle body.