Amphibious utility wagon

Abstract

Method and apparatus for a floatable and collapsible cart having a storage compartment formed by a framed assembly with waterproof material mounted thereon. Floatation material is disposed in the bottom of the storage compartment and front and rear ground contacting wheels are provided below and in line with the opposite sides of the storage compartment which may be converted between a folded position and an unfolded position. Objects may be loaded into the storage compartment and pulled by a user on the surface of the water between a boat and the seashore and then rolled along the seashore. A pull cord is provided for pulling the wagon.

Claims

1. An amphibious wagon, the amphibious wagon for transporting items on a surface of a water body and a surface of a ground, comprising: a) a frame assembly being substantially rectangular shaped having a plurality of corners, an upright corner member disposed on each said corner of said frame assembly, said frame assembly including a support base having a front portion and a rear portion, wherein said front portion and said rear portion are pivotally joined together at a point intermediate said front and rear portions so that said support base has an unfolded position and a folded position; b) a left and a right side support frame disposed on a longer side of said frame assembly, wherein each said side support frame extends from a lower portion of each said upright corner member to an apex intermediate said upright corner members, each said side support frame being pivotable at said apex so that said side support frame can be folded along with said support base between said unfolded position and said folded position; c) a storage compartment defined by a flexible material disposed on said frame assembly, said storage compartment having a front wall, a rear wall, a left and right side wall, a bottom, and being open on a top, wherein said flexible material is removably attached to each said upright corner member and each said left and right side support frame, wherein said flexible material rests on an upper surface of said support base, wherein said storage compartment provides buoyancy for the amphibious wagon for transporting items on the surface of the water body; d) left and right front wheels disposed underneath said front portion of said support base, and left and right rear wheels disposed underneath said rear portion of said support base so that said wheels are useful for rolling the amphibious wagon along the surface of the ground; e) a pull cord disposed on said front portion of said support base for pulling the amphibious wagon along the surface of the water body and the surface of the ground; f) an anti-folding support brace disposed underneath said support base to prevent said support base from being inadvertently folded, wherein said anti-folding support brace folds in a first plane perpendicular to a second plane in which said support base folds; g) wherein said anti-folding support brace joins to one said upright corner member on one side of said front and rear portion of said support base, and having a pivotable coupling intermediate said anti-folding brace; and h) wherein said pivotable coupling is adjustable so as to vary the tension on said pivotable coupling.

2. The amphibious wagon of claim 1, wherein said anti-folding brace is foldable first before said support base is foldable.

3. The amphibious wagon of claim 1, wherein said flexible material attaches to each said upright corner member using a wrap extending around each said upright corner member.

4. The amphibious wagon of claim 1, further comprising flotation material being disposed in said bottom of said storage compartment for providing additional buoyancy to the amphibious wagon.

5. The amphibious wagon of claim 4, wherein said flotation material is disposed in a pocket provided in said flexible material wherein said flotation material can be inserted into and removed from said pocket.

6. The amphibious wagon of claim 5, wherein said flotation material has first and second portions having a space disposed thereinbetween said first and second portions so that said flotation material can be folded along with said support base between said unfolded position and said folded position.

7. A method for assembling an amphibious wagon, the amphibious wagon for transporting items on a surface of a water body and a surface of a ground, comprising the steps of: a) providing a frame assembly being substantially rectangular shaped including an upright corner member disposed on each corner of the frame assembly, the frame assembly including a support base having a front portion and a rear portion, wherein the front portion and the rear portion are pivotally joined together at a point intermediate the front and rear portions so that the support base has an unfolded position and a folded position; b) providing a left and a right side support frame on a longer side of the frame assembly, wherein each side support frame extends from a lower portion of each upright corner member to an apex intermediate the upright corner members, each side support frame being pivotable at the apex so that the side support frame can be folded along with the support base between the unfolded position and the folded position; c) forming a storage compartment by disposing a flexible material on the frame assembly, the storage compartment having a front wall, a rear wall, a left and right side wall, a bottom, and being open on a top, wherein the flexible material is removably attached to each upright corner member and each left and right side support frame, wherein the flexible material rests on an upper surface of the support base, wherein the storage compartment provides buoyancy for the amphibious wagon for transporting items on the surface of the water body; d) providing left and right front wheels underneath the front portion of the support base, and left and right rear wheels underneath the rear portion of the support base so that the wheels are useful for rolling the amphibious wagon along the surface of the ground; e) providing a pull cord on the front portion of the support base for pulling the amphibious wagon along the surface of the water body and the surface of the ground; f) providing an anti-folding support brace disposed underneath the support base to prevent the support base from being inadvertently folded, wherein the anti-folding support brace folds in a first plane perpendicular to a second plane in which the support base folds; g) wherein the anti-folding support brace joins to one upright corner member on one side of the front and rear portion of the support base, and having a pivotable coupling intermediate the anti-folding brace; and h) wherein the pivotable coupling is adjustable so as to vary the tension on the pivotable coupling.

8. The method of claim 7, wherein the anti-folding brace must be folded first before the support base is folded.

9. The method of claim 7, wherein the flexible material attaches to each upright corner member using a portion of the flexible material extending around each upright corner member.

10. The method of claim 7, further comprising the step of placing flotation material in the bottom of the storage compartment for providing additional buoyance to the amphibious wagon.

11. The method of claim 10, wherein the flotation material is disposed in a pocket provided in the flexible material, wherein the flotation material can be inserted into and removed from the pocket.

12. The method of claim 11, wherein the flotation material has first and second portions having a space disposed thereinbetween the first and second portions so that the flotation material can be folded along with the support base between the unfolded position and the folded position.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) In order that the invention may be more fully understood, it will now be described, by way of example, with reference to the accompanying drawings in which:

(2) FIG. 1 is a perspective environmental view showing the present invention in operative connection.

(3) FIG. 2 is a perspective view of the present invention.

(4) FIG. 3 is a perspective view of the present invention also showing the frame assembly of the present invention in hidden lines.

(5) FIG. 4 is a perspective view of the frame assembly of the present invention.

(6) FIG. 5 is a side elevation view of the present invention showing portions in cross-section for the sake of clarity.

(7) FIG. 6 is a perspective view of the frame assembly of the present invention in a folded position.

LIST OF REFERENCE NUMERALS

(8) With regard to reference numerals used, the following numbering is used throughout the drawings. 10 present invention 12 user 14 pull cord 15 handle 16 water surface 18 boat/vessel 20 edge of seashore 22 surface of beach/ground 24 storage compartment 26 front wheels 27 miscellaneous items 28 rear wheels 30 frame assembly 32 corner post 34 support base frame 36 lower side frame member 37 pivot joint 38 lower side frame member 39 front cross member 40 lower front frame member 41 rear cross member 42 lower rear frame member 43 side support frame 44 side support frame 46 upper pivot joint 47 lower pivot joint 48 lower frame cross member support 50 anti-folding support brace 52 anti-folding support brace 54 adjustable bracket 56 canvas cover 58 corner wrap 60 front wall 62 rear wall 64 left side wall 66 right side wall 68 bottom 69 pocket 70 bolt 72 floating material 74 foam covering 76 attachment point 78 space 80 vertical support member 82 connecting collar

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

(9) The following discussion describes in detail at least one embodiment of the present invention. This discussion should not be construed, however, as limiting the present invention to the particular embodiments described herein since practitioners skilled in the art will recognize numerous other embodiments as well. For a definition of the complete scope of the invention the reader is directed to the appended claims. FIGS. 1 through 6 illustrate the present invention wherein a floating, collapsible wagon-like device is disclosed and which is generally indicated by reference number 10.

(10) Turning to FIG. 1, therein is shown the present invention 10 being a floating wagon-like device being pulled by a user 12 using a pull cord 14 with handle 15 attached to the present invention 10 wherein the wagon-like device is being towed along the surface of the water 16 from a boat or like vessel 18 wherein the present invention 10 floats along the surface of the water until it reaches the edge of the seashore 20 wherein the wagon-like device or cart is rolled along the surface of the beach or ground 22 using its front 26 and rear wheels 28. Contained in the storage compartment 24 of the present invention 10 can be various miscellaneous items 27 which are being carried from the boat 18 onto the beach 22 for use by the user 12. The handle 15 is being held in a hand of the user 12.

(11) Turning to FIGS. 2-4, therein is shown the present invention 10 including a frame assembly generally shown at 30 being generally rectangularly shaped and having an upright member or post 32 at each corner which is supported by an underlying frame assembly being substantially horizontally disposed being generally shown at 34 and comprising first and second lower side frame members 36, 38 and lower front and rear lower frame members 40, 42 which together form a rectangular shaped support base. The lower side frames are shown at 36, 38 and the front and rear frames are shown at 40 and 42 wherein each of the side frames also contain a pivoting joint 37 being intermediately disposed so that the frame assembly 30 can be folded into a compact unit. Cross members 39, 41 extend between front and rear corner members 32, respectively.

(12) Also shown on the sides of the storage compartment 24 and of the frame assembly 30 are left and right, first and second side support frame members 43 and 44 which join at an upper pivotable apex point 46 along with lower pivot points 47 near the base of the corner post 32 wherein an end of frame members 36, 38 share a common pivot point 47 to assist in folding the present invention 10 and to provide additional side support. A plurality of lower frame cross members 48 are also shown which are miscellaneous cross members providing additional structural support and forming a part of the lower support base frame 34. Additionally, therein is shown a large anti-folding support brace 50, 52 disposed underneath the support base frame 34 which has front and rear portions which are joined in the middle 54 by a coupling secured by a bolt 70 with nut, or like fastener, which coupling can have its tension adjusted so as to prevent the lower support base 34 from inadvertently folding. Anti-folding brace 50, 52 folds in the horizontal plane and must be folded first before any of the support base frame 34 members can be folded in the vertical position. Each end of anti-folding member 50, 52 is connected to upright corner member 32 with a rotatable connecting collar 82 and each anti-folding member has vertical support members 80 disposed beneath the base support frame 34 at the pivot joint 37 to prevent the base support frame from moving below the horizontal plane.

(13) Also shown generally at 56 is the flexible canvas-like covering material which forms the walls and bottom of the generally rectangular shaped storage compartment 24 which has a flap-like or loop-like corner wrap member 58 disposed at each corner of the corner upright support member 32 of the frame assembly 30 so that the flexible material 56 is disposed on and within the four corners of the frame assembly much as though it was draped or placed inside the four corners of the frame assembly. The corner wrap member 58 can be easily attached to and removed from the corner supports 32 of the frame assembly 30 so that the entire flexible material or canvas portion 56 of the storage compartment 24 can be easily removed from the frame assembly 30. Hook and loop material may also be disposed on the corner wrap member 58 for folding the member back upon itself for attachment around and to the corner upright support member 32. The storage compartment 24 has front 60 and rear 62 walls, and left 64 and right 66 side walls formed by canvas cover 56 along with floor 68 altogether forming a compartment for receiving items 27 therein. Floor/bottom 68 generally rests on and is supported by the support base 34. Left and right walls 64, 66 are each secured to the upper pivot joint 46 using a fastener, such as a wing nut or the like, which assures that the walls of the compartment 24 will not collapse inwardly. Apex pivot point 46 is higher than either the front or rear walls 60, 62. Previously disclosed elements may also be shown.

(14) Turning to FIG. 5, therein is shown the present invention 10 showing previously disclosed elements along with the floatation material 72 made of foam or like material which is disposed in the bottom 68 of the storage compartment 24 which provides additional buoyancy to the present invention in addition to the buoyancy created as a result of the water displacement capacity of the storage compartment 24. Flotation material 72 is effectively thick to provide necessary buoyancy and is sized and shaped to fit into pocket(s) 69 made into the canvas cover 56 material which forms the bottom 68 of the present invention 10. The floating material 72 is made of two portions with a space 78 thereinbetween to allow the material to be folded. Also shown is the pull cord 14 and handle 15 along with a foam covering 74 on the hand grip. Pull cord 14 is attached at 76 to the frame of the present invention 10. Previously disclosed elements are also shown.

(15) Turning to FIG. 6, therein is shown the present invention 10 in the folded position showing the folded frame assembly 30 along with the folded anti-folding brace 50, 52. Previously disclosed elements are also shown.

(16) In brief summary, the present invention 10 discloses a floatable and collapsible/folding cart/wagon that includes a storage compartment 24; a floatation material 72 disposed in the bottom 68 of the storage compartment; right and left, front 26 and rear 28 wheels below and in line with the opposite sides of the storage compartment may be converted between a folded position in which the wheels are folded toward each other and an extended (unfolded) position in which the wheels and opposite sides of the wagon body are disposed outward away from one another. All of this enables loading of objects 27 into the compartment body and pulling the loaded wagon in sand to and from the shore 20, and subsequently floating the loaded wagon between the shore and a boat 18; and, also a collapsed position after the objects are unloaded from the compartment body, in which the wheels and opposite sides of the wagon body are disposed inward toward one another to enable stowing of the collapsed wagon out of the way on the boat or a vehicle. Also shown is a pull cord arrangement connected to the wagon body that may be useful for pulling the wagon and also the cord may be manipulated to assist in converting the wagon body between an extended and collapsed condition.

(17) It is expected that the frame assembly 30 will be made of lightweight materials, such as aluminum or possibly high strength plastic-like material; the canvas material is expected to be made of waterproof material such as neoprene or similar material; and, the flotation material is expected to be made of high density foam or like material.

(18) By way of summary and making reference to FIGS. 1-6, the present invention 10 discloses an apparatus and method for an amphibious wagon 10 for transporting items on a surface of a water body 16 and a surface of a ground 22 including a frame assembly 30 being substantially rectangular shaped including an upright corner member 32 disposed on each corner of the frame assembly, the frame assembly including a support base 34 having a front portion 40 and a rear portion 42, wherein the front portion and the rear portion are pivotally joined together at a point 37 intermediate the front and rear portions so that the support base has an unfolded position (FIG. 4) and a folded position (FIG. 6); a left and a right side support frame 43, 44 on each longer side of the frame assembly, wherein each side support frame extends from a lower portion 47 of each upright corner member to an apex 46 intermediate the upright corner members, each side support frame being pivotable at the apex so that the side support frame can be folded along with the support base between the unfolded position and the folded position; providing a storage compartment 24 by disposing a flexible material 56 on the frame assembly, the storage compartment having a front wall 60, a rear wall 62, a left 64 and right side wall 66, a bottom 68, and being open on a top, wherein the flexible material is removably attached to each upright corner member and each left and right side support frame, wherein the flexible material rests on an upper surface of the horizontally disposed support base, wherein the storage compartment provides buoyancy for the amphibious wagon for transporting items 27 on the surface of the water body; left and right front wheels 26 underneath the front portion of the support base, and left and right rear wheels 28 underneath the rear portion of the support base so that the wheels are useful for rolling the amphibious wagon along the surface of the ground; and, providing a pull cord 14 on the front portion of the support base for pulling the amphibious wagon along the surface of the water body and the surface of the ground. Also, providing an anti-folding support brace 50, 52 disposed underneath the horizontally disposed support base to prevent the support base from being inadvertently folded, wherein the anti-folding brace folds in a first plane perpendicular to a second plane in which the support base folds, wherein the anti-folding brace joins to one upright corner member on one side of the front and rear portion of the support base 82, and having a pivotable coupling 54 intermediate the anti-folding brace, wherein the pivotable coupling is adjustable at 70 so as to vary the tension on the pivotable coupling, wherein the anti-folding brace must be folded first before the support base is folded, wherein the flexible material attaches to each upright corner member using a portion 58 of the flexible material extending around each upright corner member, and placing flotation material 72 in the bottom of the storage compartment for providing additional buoyance to the amphibious wagon, wherein the flotation material is disposed in a pocket 69 provided in the flexible material, wherein the flotation material can be inserted into and removed from the pocket, and, wherein the flotation material has first and second portions having a space 78 disposed thereinbetween the first and second portions so that the flotation material can be folded along with the support base between the unfolded position and the folded position.