초록 ▼

A hand-held pressurized product dispenser including a container containing a product under pressure, a valve mechanism and base structure at the top of the container, a nozzle that moves between an unactuated position and a discharge position, and a side lever that extends along the can and is movab

A hand-held pressurized product dispenser including a container containing a product under pressure, a valve mechanism and base structure at the top of the container, a nozzle that moves between an unactuated position and a discharge position, and a side lever that extends along the can and is movable to move the nozzle from the unactuated position to the discharge position. The dispenser also has a dome that is rotatably connected to the base structure and surrounds the nozzle and interacts with the nozzle to cause rotation of the nozzle between a locked position and an unlocked position. The nozzle has one or more downwardly directed feet that align with solid areas of an upwardly directed surface in the locked position and that align with open areas of the base structure in the unlocked position, such that the nozzle is free to move into the discharge position.

대표청구항 ▼

What is claimed is: 1. A hand-held pressurized product dispenser comprising a container containing a product under pressure, said container having a top and a hand-engageable body portion, a valve mechanism at the top of said container that is operable to discharge said product from said container,

What is claimed is: 1. A hand-held pressurized product dispenser comprising a container containing a product under pressure, said container having a top and a hand-engageable body portion, a valve mechanism at the top of said container that is operable to discharge said product from said container, said valve mechanism including a delivery tube, base structure at said top of said container, said base structure having a central upwardly extending tubular portion surrounding the delivery tube, a nozzle that has a nozzle orifice and is operably connected to said valve mechanism and is movable with respect to said container between an unactuated position and a discharge position that causes pressurized discharge of said product out of said container through said nozzle orifice, the nozzle including a lower opening for receiving the upwardly extending tubular portion, and a side lever that has a nozzle displacing portion in position to displace said nozzle from said unactuated position to said discharge position and a hand-engageable lever arm that extends along said body to a lever end and is movable with respect to said hand-engageable body portion, said nozzle being rotatably movable with respect to said base structure about an axis between a locked position in which said nozzle is prevented from moving from said unactuated position to said discharge position and an unlocked position in which said nozzle is free to move from said unactuated position to said discharge position. 2. A hand-held pressurized product dispenser comprising a container containing a product under pressure, said container having a top and a hand-engageable body portion, a valve mechanism at the top of said container that is operable to discharge said product from said container, base structure at said top of said container, a nozzle that has a nozzle orifice and is operably connected to said valve mechanism and is movable with respect to said container between an unactuated position and a discharge position that causes pressurized discharge of said product out of said container through said nozzle orifice, a side lever that has a nozzle displacing portion in position to displace said nozzle from said unactuated position to said discharge position and a hand-engageable lever arm that extends along said body to a lever end and is movable with respect to said hand-engageable body portion, and a dome that is rotatably connected to said base structure and surrounds said nozzle and has an opening that is aligned with said nozzle orifice, said dome being rotably movable between a locked position in which said nozzle is prevented from moving from said unactuated position to said discharge position and an unlocked position in which said nozzle is free to move from said unactuated position to said discharge position. 3. A hand-held pressurized product dispenser comprising a container containing a product under pressure, said container having a top and a hand-engageable body portion, a valve mechanism at the top of said container that is operable to discharge said product from said container, base structure at said top of said container, said base structure having an upwardly directed surface with solid areas surrounding at least two open areas, a nozzle that has a nozzle orifice and is operably connected to said valve mechanism and is movable with respect to said container between an unactuated position and a discharge position that causes pressurized discharge of said product out of said container through said nozzle orifice, said nozzle having at least two downwardly directed feet, and said nozzle being movable with respect to said base structure between a locked position in which said downwardly directed feet are aligned with said solid areas of said upwardly directed surface so that said nozzle is prevented from moving from said unactuated position to said discharge position and an unlocked position in which said downwardly directed feet are aligned with said open areas so that said nozzle is free to move from said unactuated position to said discharge position as said feet move within said open areas. 4. The dispenser of claim 1, 2, or 3 wherein said container is cylindrical about a central axis, and wherein said nozzle has a tubular portion that extends along said axis. 5. The dispenser of claim 1, 2, or 3 wherein said container is cylindrical about a central axis, wherein said nozzle has a tubular portion that extends along said axis, and wherein said nozzle orifice is positioned for axial discharge. 6. The dispenser of claim 1, 2, or 3 wherein said container is cylindrical about a central axis, wherein said nozzle extends along said axis, and wherein said nozzle is movable along said axis between said unactuated position and said discharge position. 7. The dispenser of claim 1 or 2 wherein said container is cylindrical about a central axis, wherein said nozzle has a tubular portion that extends along said axis and an annular platform portion, and wherein said nozzle displacing portion of said side lever is ring-shaped and surrounds said tubular portion and engages said annular platform portion of said nozzle. 8. The dispenser of claim 1 or 2 wherein said container is cylindrical about a central axis, wherein said nozzle has a tubular portion that extends along said axis and an annular platform portion, and wherein said side lever is pivotally connected to said base structure. 9. The dispenser of claim 1, 2, or 3 wherein said base structure is made of a component that is separate from said container and is secured to said top of said container. 10. The dispenser of claim 2 wherein said dome is snap-fit for rotation on said base structure. 11. The dispenser of claim 2 wherein said nozzle is rotatably movable between said locked position and said unlocked position, and said dome and nozzle both rotate about the same axis and have interacting structure that causes said nozzle to rotate when said dome is rotated. 12. The dispenser of claim 11 wherein said interacting structure includes one or more slots on one of said nozzle and said dome and one or more protrusions that engage respective said one or more slots on the other of said nozzle and said dome. 13. The dispenser of claim 12 wherein said nozzle is movable along said axis between said unactuated position and said discharge position, and wherein said slots extend parallel to said axis. 14. The dispenser of claim 2 wherein said dome has one or more stops that engage one or more stops on said base structure to limit rotation of said dome between said locked and unlocked positions. 15. The dispenser of claim 1 wherein said base structure also has an upwardly directed surface with solid areas and one or more open areas, wherein said nozzle has one or more downwardly directed feet, and wherein, when said nozzle is in said locked position, said one or more downwardly directed feet are aligned with said solid areas of said upwardly directed surface so that said nozzle is prevented from moving from said unactuated position to said discharge position, and when said nozzle is in said unlocked position, said one or more downwardly directed feet are aligned with said one or more open areas so that said nozzle is free to move from said unactuated position to said discharge position as said feet move within said open areas. 16. The dispenser of claim 2 wherein said nozzle is rotatably movable between said locked position and said unlocked position, wherein said dome and nozzle both rotate about the same axis and have interacting structure that causes said nozzle to rotate when said dome is rotated, wherein said base structure has an upwardly directed surface with solid areas and one or more open areas, wherein said nozzle has one or more downwardly directed feet, and wherein, when said nozzle is in said locked position, said one or more downwardly directed feet are aligned with said solid areas of said upwardly directed surface so that said nozzle is prevented from moving from said unactuated position to said discharge position, and when said nozzle is in said unlocked position, said one or more downwardly directed feet are aligned with said one or more open areas so that said nozzle is free to move from said unactuated position to said discharge position as said feet move within said open areas. 17. The dispenser of claim 3 wherein said nozzle is rotatably movable between said unlocked and said locked position about an axis. 18. The dispenser of claim 15, 16, or 17 wherein there are a plurality of said open areas that are angularly spaced about said axis and wherein there are a plurality of said feet that are angularly spaced about said axis. 19. The dispenser of claim 15, 16, or 17 wherein there are a plurality of said open areas that are angularly spaced about said axis and wherein there are a plurality of said feet that are angularly spaced about said axis, and wherein there is an upwardly directed stop extending from said solid areas of said upwardly directed surface and associated with each said open area to prevent one of said feet from aligning with a said open area when being moved to said locked position. 20. The dispenser of claim 1 wherein said nozzle has a tubular portion that fits over the upwardly extending tubular portion of the base.