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The disclosure relates to application devices and more particularly pertains to a new application device for applying joint compound on drywall.
The prior art relates to application devices.
An embodiment of the disclosure meets the needs presented above by generally comprising a rod that has a conduit integrated therein. The conduit is fluidly coupled to a source of joint compound thereby facilitating the joint compound to be urged through the conduit. A box is coupled to the rod and the box has a bottom end that is open into an interior of the box. A spray bar is fluidly coupled to the conduit and the spray bar is directed toward the bottom end of the box to spray the joint compound onto a wall or ceiling. A knife is coupled to the box to smooth the joint compound on the wall or ceiling.
There has thus been outlined, rather broadly, the more important features of the disclosure in order that the detailed description thereof that follows may be better understood, and in order that the present contribution to the art may be better appreciated. There are additional features of the disclosure that will be described hereinafter and which will form the subject matter of the claims appended hereto.
The objects of the disclosure, along with the various features of novelty which characterize the disclosure, are pointed out with particularity in the claims annexed to and forming a part of this disclosure.
The disclosure will be better understood and objects other than those set forth above will become apparent when consideration is given to the following detailed description thereof. Such description makes reference to the annexed drawings wherein:
With reference now to the drawings, and in particular to
As best illustrated in
A valve 26 is coupled to the rod 12 and the valve 26 is in communication with the conduit 14. The valve 26 inhibits the joint compound 18 from passing through the conduit 14 when the valve 26 is closed. Additionally, the valve 26 facilitates the joint compound 18 to pass through the conduit 14 when the valve 26 is opened. A lever 28 is pivotally coupled to the rod 12 and the lever 28 is coupled to the valve 26. The lever 28 opens the valve 26 when the lever 28 is depressed and the lever 28 closes the valve 26 when the lever 28 is released. A guard 30 is positioned around the lever 28 thereby inhibiting the lever 28 from being inadvertently depressed.
A handle 32 is coupled to the rod 12 for gripping the handle 32. The handle 32 has a central member 34 extending between a pair of outward members 36. Each of the outward members 36 is coupled to the rod 12 having the central member 34 being spaced from the rod 12 for gripping.
A box 37 is provided and the box 37 is coupled to the rod 12. The box 37 has a top wall 38 and an outer wall 40 extending downwardly therefrom, and the outer wall 40 has a back side 42, a first lateral side 44 and a second lateral side 46. Each of first lateral side 44 and the second lateral side 46 has a sloped portion 48 that slopes upwardly toward the top wall 38 to define a front edge 50 of the box 37. The sloped portion 48 of each of the first lateral side 44 and the second lateral side 46 is positioned against a wall or ceiling 52.
The second end 21 of the rod 12 is coupled to the back side 42 of the outer wall 40 of the box 37. The back side 42 has a tape slot 45 extending into an interior of the box 37 and the tape slot 45 is positioned beneath the rod 12. The conduit 14 has an output end 47 and the output end 47 is positioned in the box 37. A plurality of fasteners 49 is provided and each of the fasteners 49 is coupled to and extends away from the top wall 38 of the box 37. A tape mount 51 is removably coupled to the rod 12. The tape mount 51 includes a pair of engagements 53 that each releasably engages a respective side of a roll of tape 54. The tape 54 is extendable through the tape slot 45 in the box 37 thereby facilitating the tape 54 to be applied to the wall or ceiling 52. The tape 54 may be joint tape for gypsum board.
A pair of rollers 56 is each rotatably coupled to the box 37. Each of the rollers 56 rolls along the wall or the ceiling thereby facilitating a bottom side of the box 37 to be directed toward the wall or ceiling 52. Each of the rollers 56 is positioned on a respective one of the first lateral side 44 and the second lateral side 46 of the outer wall 40 of the box 37. Each of the rollers 56 is positioned adjacent to an intersection between the sloped portion 48 of the respective first lateral side 44 and the second lateral side 46 and the top wall 38 of the box 37.
A hose 58 is fluidly coupled to the conduit 14 and the hose 58 extends between the rod 12 and the back side 42 of the outer wall 40 of the box 37. The hose 58 has a distal end 60 with respect to the rod 12 and the distal end 60 is positioned in the box 37 at a point that is located beneath the tape slot 45. A spray bar 62 is fluidly coupled to the conduit 14 to receive the joint compound 18. The spray bar 62 is fluidly coupled to the outlet end of the conduit 14 and the spray bar 62 has a plurality of outputs 64. Each of the outputs 64 is directed toward the front edge 50 of the box 37 to direct the joint compound 18 onto the wall or ceiling 52.
The outputs 64 are spaced apart from each other and are distributed between the first lateral side 44 and the second lateral side 46 of the outer wall 40 of the box 37. As is most clearly shown in
A tape nozzle 66 is fluidly coupled to the distal end 60 of the hose 58. The tape nozzle 66 sprays the joint compound 18 over the tape 54 when the tape 54 is applied to the wall or ceiling 52. A knife 68 is coupled to the box 37 and the knife 68 positioned on the top wall 38 of the box 37. The knife 68 is coextensive with the front edge 50 of the box 37 to smooth the joint compound 18 on the wall or ceiling 52.
A heating unit 70 is removably coupled to the box 37 and heating unit 70 blows heated air onto the wall or ceiling 52 when the heating unit 70 is turned on. In this way the heating unit 70 enhances drying the joint compound 18 on the wall or ceiling 52. The heating unit 70 engages each of the fasteners 49 on the top wall 38 of the box 37. The heating unit 70 has an exhaust 72 and the exhaust 72 is directed toward the front edge 50 of the box 37 to direct the heated air onto the wall or ceiling 52. The heating unit 70 may comprise an electric heating unit 70 that includes an air blower and a heating element.
In use, the fitting 24 on the conduit 14 is fluidly coupled to the source of joint compound 16. The handle 32 on the rod 12 is gripped and the box 37 is positioned against the wall or ceiling 52. The tape is positioned on the tape mount 51 and the tape is inserted through the tape slot 45. The lever 28 is depressed to open the valve 26, thereby spraying the joint compound 18 onto the wall or ceiling 52, The box 37 is slid downwardly along the wall along a joint between panels of gypsum board. The tape is applied to the joint and the joint compound 18 is sprayed on top off and beneath the tape. Moreover, the knife 68 smooths the joint compound 18 as the box 37 is slid along the wall. In this way the joints between panels of gypsum board can be finished with the tape and the joint compound 18.
With respect to the above description then, it is to be realized that the optimum dimensional relationships for the parts of an embodiment enabled by the disclosure, to include variations in size, materials, shape, form, function and manner of operation, assembly and use, are deemed readily apparent and obvious to one skilled in the art, and all equivalent relationships to those illustrated in the drawings and described in the specification are intended to be encompassed by an embodiment of the disclosure.
Therefore, the foregoing is considered as illustrative only of the principles of the disclosure. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the disclosure to the exact construction and operation shown and described, and accordingly, all suitable modifications and equivalents may be resorted to, falling within the scope of the disclosure. In this patent document, the word “comprising” is used in its non-limiting sense to mean that items following the word are included, but items not specifically mentioned are not excluded. A reference to an element by the indefinite article “a” does not exclude the possibility that more than one of the element is present, unless the context clearly requires that there be only one of the elements.
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