대표
청구항
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1. A dispenser for dispensing a product, the dispenser comprising: a housing having a top portion, a bottom portion and a cavity located between said top and bottom portion, said cavity having an outlet in said top portion of said housing, at least a portion of said cavity designed to contain the product, said cavity having a first and a second portion, said first and second portions extend along at least a majority of a longitudinal length of said cavity, said second portion spaced from a central longitudinal axis of said cavity, said second portion hav...
1. A dispenser for dispensing a product, the dispenser comprising: a housing having a top portion, a bottom portion and a cavity located between said top and bottom portion, said cavity having an outlet in said top portion of said housing, at least a portion of said cavity designed to contain the product, said cavity having a first and a second portion, said first and second portions extend along at least a majority of a longitudinal length of said cavity, said second portion spaced from a central longitudinal axis of said cavity, said second portion having a side slot that opens into said first portion;a single piston disposed inside said housing and positioned at least partially in said cavity;a single spring-biased pawl mechanism at least partially contained within said cavity and connected to a side of said piston and having a pawl opening defined therein, said spring-biased pawl mechanism at least partially extending through said side opening in said second portion of said cavity;a single elongated rod offset from a central longitudinal axis of said cavity and positioned closely adjacent to an outer wall of said cavity and extending a majority of the longitudinal length of said cavity and is movable in a translatory motion along said longitudinal axis of said cavity in a first direction and in a second direction opposite said first direction, said elongated rod frictionally engaging with said pawl mechanism at said pawl opening such that when said elongated rod is moved in said first direction said pawl mechanism causes said piston to move in said first direction toward said top portion of said housing to thereby cause the product to be dispensed from said outlet, said pawl mechanism pivoting when said elongated rod is moved in said second direction such that said elongated rod passes through said pawl opening in said pawl mechanism and moves in said second direction independently of said piston to thereby inhibit or prevent movement of said piston by said elongated rod in said second direction; and,a trigger positioned at or adjacent to said top portion of said housing, said trigger in operative relation to said elongated rod such that actuation of said trigger to cause said trigger to move toward a closed position causes said elongated rod to move in said first direction and deactuation of said trigger causes said trigger to move to an open position to thereby cause said elongated rod to move in said second direction. 2. The dispenser as defined in claim 1, wherein said housing includes a hook positioned on an outer surface of said housing, said hook spaced from said trigger and positioned at or adjacent to said top portion of said housing. 3. A dispenser for dispensing a product, the dispenser comprising: a housing having a top portion, a bottom portion and a cavity located between said top and bottom portion, said cavity having an outlet in said top portion of said housing, at least a portion of said cavity designed to contain the product;a piston disposed inside said housing and positioned at least partially in said cavity;a spring-biased pawl mechanism at least partially contained within said cavity and connected to said piston and having a pawl opening defined therein;an elongated rod offset from a central longitudinal axis of said cavity and extending a majority of a longitudinal length of said cavity and is movable in a translatory motion along said longitudinal axis of said cavity in a first direction and in a second direction opposite said first direction, said elongated rod frictionally engaging with said pawl mechanism at said pawl opening such that when said elongated rod is moved in said first direction said pawl mechanism causes said piston to move in said first direction toward said top portion of said housing to thereby cause the product to be dispensed from said outlet, said pawl mechanism pivoting when said elongated rod is moved in said second direction such that said elongated rod passes through said pawl opening in said pawl mechanism and moves in said second direction independently of said piston to thereby inhibit or prevent movement of said piston by said elongated rod in said second direction;a trigger positioned at or adjacent to said top portion of said housing, said trigger in operative relation to said elongated rod such that actuation of said trigger to cause said trigger to move toward a closed position causes said elongated rod to move in said first direction and deactuation of said trigger causes said trigger to move to an open position to thereby cause said elongated rod to move in said second direction; and,a cover, said cover including a cover opening, a cross-sectional area of said cover opening less than a cross-sectional area of said opening in said top portion of said housing, said cover movable between an attached and at least partially detached position, said at least partially detached position designed to enable the product to be inserted into said cavity of said housing, said attached position designed to restrict the product from being removed from said cavity. 4. The dispenser as defined in claim 3, wherein the product includes a flexible package containing a viscous material in the flexible package and a dispensing tip positioned at one end of the flexible package, the dispensing tip designed to be at least partially inserted into said cover opening of said cover when the product is positioned in said cavity and said cover is in said attached position. 5. The dispenser as defined in claim 4, wherein said housing includes a protrusion on said outer surface of said housing, said protrusion designed to at least partially secure said cover to said housing when said cover is in said attached position. 6. The dispenser as defined in claim 5, wherein said housing includes a handle positioned at or adjacent to said top portion, said trigger portion pivotally connected to said handle, said trigger biased by a spring in said open position. 7. The dispenser as defined in claim 6, wherein said housing includes a hook positioned on an outer surface of said housing, said hook spaced from said trigger and positioned at or adjacent to said top portion of said housing. 8. The dispenser as defined in claim 7, wherein said housing has a first portion and a second portion, said second portion positioned adjacent to said first portion, said second portion having a smaller cross-sectional area than said first portion, said second portion designed to receive said elongated rod and said first portion designed to receive said product when positioned in said cavity. 9. The dispenser as defined in claim 8, further including a cap that is releasably connected to said cover opening, said cap joined to said cover by a friction fit. 10. The dispenser as defined in claim 3, wherein said housing includes a protrusion on said outer surface of said housing, said protrusion designed to at least partially secure said cover to said housing when said cover is in said attached position. 11. The dispenser as defined in claim 3, further including a cap that is releasably connected to said cover opening, said cap joined to said cover by a friction fit. 12. A dispenser for dispensing a product, the dispenser comprising: a housing having a top portion, a bottom portion, a cavity located between said top and bottom portion and a handle positioned at or adjacent to said top portion, said cavity having an outlet in said top portion of said housing, at least a portion of said cavity designed to contain the product;a piston disposed inside said housing and positioned at least partially in said cavity;a spring-biased pawl mechanism at least partially contained within said cavity and connected to said piston and having a pawl opening defined therein;an elongated rod offset from a central longitudinal axis of said cavity and extending a majority of a longitudinal length of said cavity and is movable in a translatory motion along said longitudinal axis of said cavity in a first direction and in a second direction opposite said first direction, said elongated rod frictionally engaging with said pawl mechanism at said pawl opening such that when said elongated rod is moved in said first direction said pawl mechanism causes said piston to move in said first direction toward said top portion of said housing to thereby cause the product to be dispensed from said outlet, said pawl mechanism pivoting when said elongated rod is moved in said second direction such that said elongated rod passes through said pawl opening in said pawl mechanism and moves in said second direction independently of said piston to thereby inhibit or prevent movement of said piston by said elongated rod in said second direction; and,a trigger positioned at or adjacent to said top portion of said housing, said trigger in operative relation to said elongated rod such that actuation of said trigger to cause said trigger to move toward a closed position causes said elongated rod to move in said first direction and deactuation of said trigger causes said trigger to move to an open position to thereby cause said elongated rod to move in said second direction, said trigger pivotally connected to said handle, said trigger biased by a spring in said open position. 13. A dispenser for dispensing a product, the dispenser comprising: a housing having a top portion, a bottom portion and a cavity located between said top and bottom portion, said cavity having an outlet in said top portion of said housing, at least a portion of said cavity designed to contain the product, said cavity having a first and a second portion, said first and second portions extend along at least a majority of a longitudinal length of said cavity, said second portion spaced from a central longitudinal axis of said cavity, said second portion having a side slot that opens into said first portion, said second portion having a smaller cross-sectional area than said first portion, said second portion designed to receive an elongated rod and said first portion designed to receive said product when positioned in said cavity, said first and second portion extending a majority of a longitudinal length of said housing;a piston disposed inside said housing, a majority of said piston is located in said first portion of said cavity;a spring-biased pawl mechanism at least partially contained within said cavity and connected to said piston and having a pawl opening defined therein, said pawl at least partially positioned in and movable in said second portion of said cavity, said spring-biased pawl mechanism at least partially extending through said side opening in said second portion of said cavity;an elongated rod at least partially positioned in said second portion of said cavity and extending a majority of the longitudinal length of said cavity and is movable in a translatory motion along said longitudinal axis of said cavity in a first direction and in a second direction opposite said first direction, said elongated rod frictionally engaging with said pawl mechanism at said pawl opening such that when said elongated rod is moved in said first direction said pawl mechanism causes said piston to move in said first direction toward said top portion of said housing to thereby cause the product to be dispensed from said outlet, said pawl mechanism pivoting when said elongated rod is moved in said second direction such that said elongated rod passes through said pawl opening in said pawl mechanism and moves in said second direction independently of said piston to thereby inhibit or prevent movement of said piston by said elongated rod in said second direction; and,a trigger positioned at or adjacent to said top portion of said housing, said trigger in operative relation to said elongated rod such that actuation of said trigger to cause said trigger to move toward a closed position causes said elongated rod to move in said first direction and deactuation of said trigger causes said trigger to move to an open position to thereby cause said elongated rod to move in said second direction. 14. A dispenser for dispensing a viscous material contained in a flexible package, the dispenser comprising: a housing having a top portion, a bottom portion, a first cavity and a second cavity, said second cavity positioned adjacent to said first cavity, said second cavity having a smaller cross-sectional area than said first cavity, said first cavity and said second cavity located between said top and bottom portion, said first cavity having an outlet in said top portion of said housing, said first cavity designed to contain a majority of the flexible package, said first and second cavity extending a majority of a longitudinal length of said housing, said first and second cavity extend along at least a majority of a longitudinal length of said housing, said second cavity spaced from a central longitudinal axis of said first cavity, said second cavity having a side slot that opens into said first cavity;a piston disposed inside said housing, a majority of said piston is positioned in said first cavity;a spring-biased pawl mechanism connected to said piston and having a pawl opening defined therein, said pawl movable in said second cavity, said spring-biased pawl mechanism at least partially extending through said side opening in said second cavity and into said first cavity;an elongated rod at least partially positioned in said second cavity, said elongated rod extending a majority of a longitudinal length of said second cavity and is movable in a translatory motion along said longitudinal axis of said second cavity in a first direction and in a second direction opposite said first direction, said elongated rod frictionally engaging with said pawl mechanism at said pawl opening such that when said elongated rod is moved in said first direction said pawl mechanism causes said piston to move in said first direction toward said top portion of said housing to thereby cause the flexible package to be dispensed from said outlet, said pawl mechanism pivoting when said elongated rod is moved in said second direction such that said elongated rod passes through said pawl opening in said pawl mechanism and moves in said second direction independently of said piston thereby inhibiting or preventing movement of said piston by said elongated rod in said second direction; and,a trigger moveable between an open and closed position, said trigger in operative relation to said elongated rod such that actuation of said trigger causing said trigger to move toward said closed position causes said elongated rod to move in said first direction and deactuation of said trigger causes said trigger to move to said open position to thereby cause said elongated rod to move in said second direction. 15. The dispenser as defined in claim 14, wherein said elongated rod is fully contained in said second cavity and said first cavity is designed to fully contain the flexible package when placed in said first cavity. 16. The dispenser as defined in claim 14, wherein said housing includes a hook positioned on an outer surface of said housing, said hook spaced from said trigger and positioned at or adjacent to said top portion of said housing. 17. A dispenser for dispensing a viscous material contained in a flexible package, the dispenser comprising: a housing having a top portion, a bottom portion, a first cavity and a second cavity, said second cavity positioned adjacent to said first cavity, said second cavity having a smaller cross-sectional area than said first cavity, said first cavity located between said top and bottom portion, said first cavity having an outlet in said top portion of said housing, said first cavity designed to contain a majority of the flexible package, said first and second cavity extend along at least a majority of a longitudinal length of said housing, said second cavity spaced from a central longitudinal axis of said first cavity, said second cavity having a side slot that opens into said first cavity;a piston disposed inside said housing and positioned at least partially in said first cavity;a spring-biased pawl mechanism connected to said piston and having a pawl opening defined therein, said spring-biased pawl mechanism at least partially extending through said side opening in said second cavity and into said first cavity;an elongated rod at least partially positioned in said second cavity, said elongated rod extending a majority of a longitudinal length of said second cavity and is movable in a translatory motion along said longitudinal axis of said second cavity in a first direction and in a second direction opposite said first direction, said elongated rod frictionally engaging with said pawl mechanism at said pawl opening such that when said elongated rod is moved in said first direction said pawl mechanism causes said piston to move in said first direction toward said top portion of said housing to thereby cause the flexible package to be dispensed from said outlet, said pawl mechanism pivoting when said elongated rod is moved in said second direction such that said elongated rod passes through said pawl opening in said pawl mechanism and moves in said second direction independently of said piston thereby inhibiting or preventing movement of said piston by said elongated rod in said second direction;a trigger moveable between an open and closed position, said trigger in operative relation to said elongated rod such that actuation of said trigger causing said trigger to move toward said closed position causes said elongated rod to move in said first direction and deactuation of said trigger causes said trigger to move to said open position to thereby cause said elongated rod to move in said second direction; and,a cover, said cover including a cover opening, a cross-sectional area of said cover opening less than a cross-sectional area of an opening in said top portion of said housing, said cover movable between an attached and at least partially detached position, said at least partially detached position designed to enable the flexible package to be inserted into said first cavity of said housing, said attached position designed to restrict the flexible package from being removed from said first cavity. 18. The dispenser as defined in claim 17, wherein the flexible package includes a dispensing tip positioned at one end of the flexible package, the dispensing tip is designed to be at least partially inserted into said cover opening of said cover when the flexible package is positioned in said first cavity and said cover is in said attached position. 19. The dispenser as defined in claim 18, wherein said housing includes a protrusion on said outer surface of said housing, said protrusion designed to at least partially secure said cover to said housing when said cover is in said attached position. 20. The dispenser as defined in claim 17, wherein said housing includes a protrusion on said outer surface of said housing, said protrusion designed to at least partially secure said cover to said housing when said cover is in said attached position. 21. A dispenser for dispensing a viscous material contained in a flexible package, the dispenser comprising: a housing having a top portion, a bottom portion, a first cavity and a second cavity, said second cavity positioned adjacent to said first cavity said second cavity having a smaller cross-sectional area than said first cavity, said first cavity and said second cavity located between said top and bottom portion, said first cavity having an outlet in said top portion of said housing, said first cavity designed to contain a majority of the flexible package, said first and second cavity extending a majority of a longitudinal length of said housing, said second cavity spaced from a central longitudinal axis of said first cavity, said second cavity having a side slot that opens into said first cavity;a piston disposed inside said housing, a majority of said piston is positioned in said first cavity;a spring-biased pawl mechanism connected to said piston and having a pawl opening defined therein, said pawl movable in said second cavity, said spring-biased pawl mechanism at least partially extending through said side opening in said second cavity and into said first cavity;an elongated rod at least partially positioned in said second cavity, said elongated rod extending a majority of a longitudinal length of said second cavity and is movable in a translatory motion along said longitudinal axis of said second cavity in a first direction and in a second direction opposite said first direction, said elongated rod frictionally engaging with said pawl mechanism at said pawl opening such that when said elongated rod is moved in said first direction said pawl mechanism causes said piston to move in said first direction toward said top portion of said housing to thereby cause the flexible package to be dispensed from said outlet, said pawl mechanism pivoting when said elongated rod is moved in said second direction such that said elongated rod passes through said pawl opening in said pawl mechanism and moves in said second direction independently of said piston thereby inhibiting or preventing movement of said piston by said elongated rod in said second direction;a trigger moveable between an open and closed position, said trigger in operative relation to said elongated rod such that actuation of said trigger causing said trigger to move toward said closed position causes said elongated rod to move in said first direction and deactuation of said trigger causes said trigger to move to said open position to thereby cause said elongated rod to move in said second direction; and,a cover, said cover including a cover opening, a cross-sectional area of said cover opening less than a cross-sectional area of said opening in said top portion of said housing, said cover movable between an attached and at least partially detached position, said at least partially detached position designed to enable the flexible package to be inserted into said first cavity of said housing, said attached position designed to restrict the flexible package from being removed from said first cavity. 22. The dispenser as defined in claim 21, wherein the flexible package includes a dispensing tip positioned at one end of the flexible package, the dispensing tip is designed to be at least partially inserted into said cover opening of said cover when the flexible package is positioned in said first cavity and said cover is in said attached position. 23. A dispenser for dispensing a viscous material contained in a flexible package, the dispenser comprising: a housing having a top portion, a bottom portion, a first cavity and a second cavity, said second cavity positioned adjacent to said first cavity, said second cavity having a smaller cross-sectional area than said first cavity, said first cavity and said second cavity located between said top and bottom portion, said first cavity having an outlet in said top portion of said housing, said first cavity designed to contain a majority of the flexible package, said first and second cavity extending a majority of a longitudinal length of said housing, said housing includes a handle positioned at or adjacent to said top portion, a trigger pivotally connected to said handle, said trigger biased by a spring in said open position;a piston disposed inside said housing, a majority of said piston is positioned in said first cavity;a spring-biased pawl mechanism connected to said piston and having a pawl opening defined therein, said pawl movable in said second cavity;an elongated rod at least partially positioned in said second cavity, said elongated rod extending a majority of a longitudinal length of said second cavity and is movable in a translatory motion along said longitudinal axis of said second cavity in a first direction and in a second direction opposite said first direction, said elongated rod frictionally engaging with said pawl mechanism at said pawl opening such that when said elongated rod is moved in said first direction said pawl mechanism causes said piston to move in said first direction toward said top portion of said housing to thereby cause the flexible package to be dispensed from said outlet, said pawl mechanism pivoting when said elongated rod is moved in said second direction such that said elongated rod passes through in said pawl mechanism and moves in said second direction independently of said piston thereby inhibiting or preventing movement of said piston by said elongated rod in said second direction; and,said trigger moveable between an open and closed position, said trigger in operative relation to said elongated rod such that actuation of said trigger causing said trigger to move toward said closed position causes said elongated rod to move in said first direction and deactuation of said trigger causes said trigger to move to said open position to thereby cause said elongated rod to move in said second direction. 24. A dispenser for dispensing a viscous material contained in a flexible package, the dispenser comprising: a housing having a top portion, a bottom portion, a first cavity and a second cavity, said second cavity positioned adjacent to said first cavity, said second cavity having a smaller cross-sectional area than said first cavity, said first cavity located between said top and bottom portion, said first cavity having an outlet in said top portion of said housing, said first cavity designed to contain a majority of the flexible package, said housing includes a handle positioned at or adjacent to said top portion, a trigger portion pivotally connected to said handle, said trigger biased by a spring in said open position;a piston disposed inside said housing and positioned at least partially in said first cavity;a spring-biased pawl mechanism connected to said piston and having a pawl opening defined therein:an elongated rod at least partially positioned in said second cavity, said elongated rod extending a majority of a longitudinal length of said second cavity and is movable in a translatory motion along said longitudinal axis of said second cavity in a first direction and in a second direction opposite said first direction, said elongated rod frictionally engaging with said pawl mechanism at said pawl opening such that when said elongated rod is moved in said first direction said pawl mechanism causes said piston to move in said first direction toward said top portion of said housing to thereby cause the flexible package to be dispensed from said outlet, said pawl mechanism pivoting when said elongated rod is moved in said second direction such that said elongated rod passes through said pawl opening in said pawl mechanism and moves in said second direction independently of said piston thereby inhibiting or preventing movement of said piston by said elongated rod in said second direction;said trigger moveable between an open and closed position, said trigger in operative relation to said elongated rod such that actuation of said trigger causing said trigger to move toward said closed position causes said elongated rod to move in said first direction and deactuation of said trigger causes said trigger to move to said open position to thereby cause said elongated rod to move in said second direction; and,a cover, said cover including a cover opening, a cross-sectional area of said cover opening less than a cross-sectional area of an opening in said top portion of said housing, said cover movable between an attached and at least partially detached position, said at least partially detached position designed to enable the flexible package to be inserted into said first cavity of said housing, said attached position designed to restrict the flexible package from being removed from said first cavity. 25. The dispenser as defined in claim 24, wherein said housing includes a hook positioned on an outer surface of said housing, said hook spaced from said trigger and positioned at or adjacent to said top portion of said housing.
