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Publication numberUS20040155435 A1
Publication typeApplication
Application numberUS 10/770,388
Publication dateAug 12, 2004
Filing dateFeb 4, 2004
Priority dateNov 12, 1999
Also published asCA2323580A1, US6688635
Publication number10770388, 770388, US 2004/0155435 A1, US 2004/155435 A1, US 20040155435 A1, US 20040155435A1, US 2004155435 A1, US 2004155435A1, US-A1-20040155435, US-A1-2004155435, US2004/0155435A1, US2004/155435A1, US20040155435 A1, US20040155435A1, US2004155435 A1, US2004155435A1
InventorsBenjamin Watts
Original AssigneeWatts Benjamin H.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Multi-purpose deer-hunting cart
US 20040155435 A1
Abstract
A hand operated utility cart with an extended handle assembly capable of supporting extra long loads. The preferred embodiment includes a kick stand allowing for a free standing, horizontally level cart, a curved handle bar assembly with a threaded aperture allowing the load to remain in a horizontal position during operation and a locking hand break system. The hand operated utility cart can be quickly broken down and reassembled to allow for easy transportation and storage.
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Claims(27)
What is claimed is:
1. A hand operated utility cart comprising:
a platform having a front end, a back end, and defining an upper surface and a lower surface;
a longitudinal handle extending in a longitudinal direction from the platform, the longitudinal handle having a distal end and a proximal end relative to the platform;
a transverse handle extending transversely from the distal end of the longitudinal handle;
wheel supports extending downwardly from the platform lower plane;
a respective wheel rotatably mounted to each wheel support, each wheel mounted for the cart to travel in the longitudinal direction, the wheels at least partially located beneath the platform lower plane.
2. The cart of claim 1, further comprising a kick stand allowing for a free standing, horizontally level cart; and a hand braking system; wherein the transverse handle further comprises a curved handle bar assembly allowing the load to remain in a horizontal position during operation;.
3. The cart of claim 2, wherein the kick stand comprises a modified flattened bracket; a welded stop for single directional operation; a spring; and a washer slipped between the spring and the bracket for added tension.
4. The cart of claim 1, the transverse handle further comprising a curved handle bar assembly comprising of a threaded aperture; plus a bicycle handle.
5. The cart of claim 1, further comprising dual brakes and a hand braking system comprising a single hand brake for operating the dual brakes; a cable mount located under the longitudinal handle; and a ‘Y’ cable system utilizing two cables functionally connecting the single hand brake to operate dual brakes.
6. The cart of claim 1, wherein the wheel supports each comprise a bicycle fork assembly, wherein a first end of each fork assembly is connected to the lower surface of the platform in proximity to a respective side end of the platform; the second end of each fork assembly being able to reasonably attach a wheel.
7. The cart of claim 6, wherein each bicycle fork is attached to the platform by a respective hinge so that each fork can pivot to fold alongside the platform.
8. The cart of claim 1, wherein the wheels are entirely located beneath the platform lower surface.
9. The cart of claim 1, further comprising a kickstand extending downwardly from the longitudinal handle.
10. The cart of claim 1, further comprising a kickstand mounted to the longitudinal handle comprising a mount attached to the longitudinal member and a movable extension member movable from an extended position at which it extends downwardly a given distance from the longitudinal handle to an unextended position away from the extended position.
11. The cart of claim 1, further comprising a kickstand mounted to the longitudinal handle comprising a mount attached to the longitudinal member and a pivotable extension member pivotable from an extended position at which it extends downwardly from the longitudinal handle to an unextended position at which it is substantially lying alongside the longitudinal member.
12. The cart of claim 1, wherein the platform upper surface is flat.
13. The cart of claim 1, wherein the platform upper surface is concave to have a concave transverse cross-section and a concave longitudinal cross-section.
14. The cart of claim 1, wherein the platform upper surface has a concave shaped transverse cross-section.
15. The cart of claim 1, wherein no members extend upwardly from the platform upper surface.
16. The cart of claim 1, further comprising a respective brake for at least two said wheels and a brake control for activating at least one of the brakes.
17. The cart of claim 1, wherein the brake control comprises a brake handle attached to the transverse handle, the brake handle attached to a cable, the cable being functionally attached to at least one of the brakes.
18. The cart of claim 1, wherein the brake control comprises a brake handle attached to the transverse handle, the brake handle attached to a cable, the cable being functionally attached to the brakes.
19. The cart of claim 1, wherein the transverse handle comprises a U-shape portion having two opposed ends and opposes transverse handle portions extending from each end of the U-shaped portion.
20. The cart of claim 1, wherein the platform upper surface is flat and when the platform upper surface is parallel to the ground, the transverse handle has an uppermost portion about 5 to about 12 inches higher above the ground than the platform upper surface.
21. The cart of claim 1, wherein the platform upper surface is flat and the transverse handle has an uppermost portion about 5 to about 12 inches above the surface in which the platform upper surface lies.
22. The cart of claim 1, wherein the platform upper surface is flat and the transverse handle has an uppermost portion about 6 to about 8 inches above the plane in which the platform upper surface lies.
23. The cart of claim 1, wherein the platform has a length of about 30 to 52 inches, a width of about 20 to about 36 inches and the platform lower surface is about 12 to about 30 inches above the ground.
24. The cart of claim 1, wherein the wheel supports are U-shaped forks, and there are no elements of the cart between the wheel supports in a space of from ground level to a height of at least about 50% of the height of the platform lower surface above the ground level.
25. The cart of claim 1, wherein the wheel supports are U-shaped forks, and there are no elements of the cart between the wheel supports in a space of from ground level to a height of at least about 75% of the height of the platform lower surface above the ground level.
26. A hand operated utility cart comprising:
a platform having a front end, a back end, and defining an upper surface and a lower surface;
a longitudinal handle extending in a longitudinal direction from the platform, the longitudinal handle having a distal end and a proximal end relative to the platform;
a transverse handle extending transversely from the distal end of the longitudinal handle;
wheel supports extending downwardly from the platform lower surface;
a respective wheel rotatably mounted to each wheel support, each wheel mounted for the cart to travel in the longitudinal direction; and
a kickstand extending downwardly from the longitudinal handle.
27. A hand operated utility cart comprising:
a platform having a front end, a back end, and defining an upper surface and a lower surface;
a handle comprising a longitudinal handle member extending in a longitudinal direction from the platform, the longitudinal handle having a distal end and a proximal end relative to the platform and a transverse handle member extending transversely from the distal end of the longitudinal handle member;
wheel supports extending downwardly from the platform lower surface;
a respective wheel rotatably mounted to each wheel support, each wheel mounted for the cart to travel in the longitudinal direction; and
a respective brake for at least two said wheels and a brake control attached to the handle for activating at least one of the brakes.
Description
    CROSS-REFERENCE TO RELATED APPLICATIONS
  • [0001]
    This claims priority from U.S. Provisional Patent Application serial No. 60/154,829 filed Nov. 12, 1999 incorporated herein by reference in its entirety.
  • [0002]
    This relates to U.S. Disclosure Document No. 430471, filed Jan. 29, 1998 incorporated herein by reference in its entirety.
  • BACKGROUND OF THE INVENTION
  • [0003]
    This invention relates to new and useful improvements of hand operated utility carts and more particularly to a process for transporting hunting game and equipment. It relates to hunting carts used in transporting game from the hunting site.
  • [0004]
    The use of carts is known in the prior art. Carts have been utilized for the purpose of transporting items. By way of example the prior art disclosed in the U.S. Pat. No. 5,673,928 to Jury a folding portable cart, U.S. Pat. No. 5,295,556 to Mullin a multipurpose hunting cart, U.S. Pat. No. 5,492,196 to Michno a portable deer cart and tree stand, U.S. Pat. No. 4,045,040 to Fails a deer stand and game carrier, U.S. Pat. No. 5,713,497 to Ponczek a deer carrier, Design Pat. No. 391,734 to Melgey a cart for transporting harvested deer and Design Pat. No. 5,853,189 to Swartzlander a cart.
  • [0005]
    Prior hunting carts have had many disadvantages. One major difficulty is that other hunting carts are too low to the ground. This results in dragging the cart, hanging up on ground obstructions, and requires excess strength for pulling the cart. Additionally previous deer carts have had the main body of the cart built between the wheels of the cart. This inhibits the loading of the deer onto the cart. The deer must be loaded carefully between the wheels and frequently moved to avoid rubbing by the wheels. Another difficulty has been load stability.
  • [0006]
    Specifically regarding Design Pat. No. 5,853,189 discloses a collapsible, two-tier cart with a ‘T’ bar handle assembly. In order to keep the load from obstructing the wheels, this patent had to incorporate a two level design. This has resulted in excess weight designed into the cart. The straight ‘T’ bar design of the handle assembly places the load at an angle when transporting in a hand operated mode. This design results in the main body of the cart being on an incline causing the load to be off balance and making it difficult to maneuver. This incline also makes it difficult to operator the cart in a push mode. In this design, the placement of the wheels on the outside of the main carrying deck results in the need for a wider cart to transport similar size loads.
  • [0007]
    Previous designs have had many flaws. The principle object of this invention is to provide a cart that provides easy maneuverability in both a pushing and pulling direction while maximizing load area and provides load stability through the use of an extended handle assembly.
  • SUMMARY OF THE INVENTION
  • [0008]
    The primary object of the invention is to provide a machine that allows for weight and balance stability. A further object of the invention is to provide a machine with an extended handle assembly allowing for full walking stride without striking foot heels against cart. Other objectives of the invention are to provide a machine as narrow as possible for maneuverability without sacrificing stability, that reduces back strain potential, that allows comfort in pulling, that easily operates in a push or pull mode, that has clearance to overcome ground obstructions, that is quiet while being used, that assembles in minutes, that allows for easy loading/unloading, that breaks down for storage and transportation purposes.
  • [0009]
    Another object of the invention is to allow for the load to be level during operation, allow for easy break down by one person, to allow for one or two man operation.
  • [0010]
    Other objects and advantages of the present invention will become apparent from the following descriptions, taken in connection with the accompanying drawings, wherein, by way of illustration and example, an embodiment of the present invention is disclosed.
  • [0011]
    In light of the above mentioned shortcomings of the known prior arts, the present invention was developed. The invention is a hand operated utility cart which includes an extended handle assembly capable of supporting extra long loads, a primary platform and a modified bicycle fork assembly.
  • [0012]
    The cart includes a single platform mounted on top of two independent front bicycle fork assemblies. An extended handle assembly includes a long rectangular member, a bicycle handle bar with stem, an extended kickstand and a hand lock breaking system secured to the platform.
  • [0013]
    For a better understanding of the invention, its operating advantages and specific objectives of its uses, reference should be made to the accompanying drawings along with its descriptive matter in which there is illustrated embodiments of the invention.
  • [0014]
    The drawings constitute a part of this specification and include exemplary embodiments to the invention, which may be embodied in various forms. It is to be understood that in some instances various aspects of the invention may be shown exaggerated or enlarged to facilitate an understanding of the invention.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • [0015]
    [0015]FIG. 1 is a perspective view of an embodiment of the present invention.
  • [0016]
    [0016]FIG. 2 is a plan front view of the embodiment of FIG. 1.
  • [0017]
    [0017]FIG. 3 is a plan rear view of the embodiment of FIG. 1.
  • [0018]
    [0018]FIG. 4 and FIG. 5 is a plan side view of the embodiment of FIG. 1.
  • [0019]
    [0019]FIG. 6 is a plan top view of the embodiment of FIG. 1.
  • [0020]
    [0020]FIG. 7 is a plan bottom view of the embodiment of FIG. 1.
  • [0021]
    [0021]FIG. 8 is a schematic transverse cross-section of a platform of a second embodiment of the present invention.
  • [0022]
    [0022]FIG. 9 is a schematic longitudinal cross-section of the platform of the embodiment of FIG. 8.
  • [0023]
    [0023]FIG. 10 is a schematic transverse cross-section of a platform of a third embodiment of the present invention.
  • [0024]
    [0024]FIG. 11 is a schematic longitudinal cross-section of the platform of the embodiment of FIG. 8.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • [0025]
    Detailed descriptions of the preferred embodiment are provided herein. It is to be understood, however, that the present invention may be embodied in various forms. Therefore, specific details disclosed herein are not to be interpreted as limiting, but rather as a basis for the claims and as a representative basis for teaching one skilled in the art to employ the present invention in virtually any appropriately detailed system, structure or manner.
  • [0026]
    Turning first to FIG. 1 in which like reference numbers indicate like elements, there is shown an exploded view of a cart 1 of the present invention. The cart includes a single platform 3, two independent front bicycle fork assemblies 5 and an extended handle assembly 7.
  • [0027]
    The platform 3 is typically about 1 to about 2 feet above the ground, preferable about 1 to about 2 feet above the ground. The platform width is typically about 20 to 36 inches and its length is about 2 to about 5 feet preferably about 30 to about 52 inches.
  • [0028]
    The platform 3 includes two inch box tubes which are 36 inches long 2,4, six inch box tubes which are 24 inches long 6,8,10,12,14,16 and three inch box tubes which are 12 inches long 18,20,22. These items are joined by a rigid immobile relationship by welding. Overall dimensions of the platform 3 are 25 inches by 36 inches but are not limited to this size. Two holes are drilled through each member 2,4 1⅜ inches from each side of center and two holes are also drilled through members 18 and 22 about 1⅜ inches from each side of center. Two 1 inch by 1 inch angle irons which are 12 inches long 24,26 are also welded to the bottom side of the main platform members 12, 14 and 16 about 1 inch on each side of center.
  • [0029]
    The platform 3 is shown as having a flat planar upper surface and a flat planer lower surface. However, in a second embodiment 200, the bars can be curved to form an upper surface having a concave cross-section in the transverse direction (FIG. 8) and a straight cross-section in the longitudinal direction (FIG. 9). In a third embodiment 300, the bars can be curved to form an upper surface having a concave cross section in both the transverse direction (FIG. 10) and longitudinal direction (FIG. 11). If desired the bars can be curved to form an upper surface having a straight cross-section in the transverse direction and concave cross-section in the longitudinal direction (not shown).
  • [0030]
    In accordance with the present invention, FIG. 1 shows two bicycle fork assemblies 5 secured with members 32,34,36,38, which are typically 4 inch carriage bolts secured to the main platform. Each individual fork assembly 5 includes fork mounts 28,30 which are 3 inches by 2 inches by ⅝ inch flat stock steel with a 1 inch hole through its center and two inch holes through its sides which are perpendicular to the 1 inch center hole and each about 1⅜ inches from center. The distance between each fork mount 28,30, and a respective bolt securing a brake to the fork assembly 5 is typically a minimum of 2 inches. This will insure for proper clearance of the brake cable. The fork mount 28,30 is joined to the bicycle forks, 40,42 by a rigid immobile relationship by welding. Bicycle forks 40,42 are 20 inch front bicycle forks but are not restricted to that size.
  • [0031]
    The wheel supports shown by FIG. 1 are U-shaped forks, and there are no elements of the cart between the wheel supports in a space of from ground level to a height of at least about 50% of the height of the platform lower plane above the ground level. Preferably, there are no elements of the cart between the wheel supports in a space of from ground level to a height of at least about 75% of the height of the platform lower plane above the ground level
  • [0032]
    In accordance with an important feature of the present invention, there is shown in FIG. 1, wheels 44,46 which are 20 inch wheels secured to the forks using a quick release skewer 74,76. The wheel size is based upon the fork size used in the present invention.
  • [0033]
    To accomplish an important function of the invention, there is shown in FIG. 1, members 48,50 which are each an ATB Caliber Brake Set secured to each fork assembly 5 by means of a 2 inch bolt 51 (Fig. 2) having a 20 thread and a 20 nut 53 (Fig. 3).
  • [0034]
    Turning to FIG. 7 brake cable steady mounts 60,62 each with a threaded hole, are permanently welded to members 24 and 26 at approximately a 30 degree angle about 10 inches from the front bar 16 of the platform 3. A brake cable 100 extends from one brake set 48 (FIG. 1) through the two steady mounts, 60,62, to a second brake set 50 (FIG. 1). Secured to the brake cable 100 between the steady mounts 60,62 is a yoke hanger mount 98. A second brake cable 102, which is secured to a yoke hanger mount 98 at the side nearest the platform 3, runs through a third steady mount 64 and is then attached to a locking hand brake 58.
  • [0035]
    In accordance with an important feature of the present invention, there is shown in FIG. 7 the extended handle assembly 7. The primary piece is a 2 inch by 1 inch by 36 inch longitudinally arranged steel box tubing 52. Two {fraction (5/16)}-inch holes, which go entirely transversely through longitudinal tubing 52, are located about inch and about 11 inches from the front base 16 of the platform 3 and are for securing the assembly to the angle iron members 24,26. A third hole which is about ⅜ inches in diameter, goes through steel box tubing 52 and is located about 6 inches from the transverse handle bar stem assembly 56. This third hole is used to secure the kickstand 54 to the extended handle bar assembly 7 by means of a 2-inch bolt, having a ⅜ inch 16 thread, and a ⅜ inch 16 nut. A smaller secondary screw is threaded through the kickstand mount into main tubing 52 and is used to eliminate twisting and turning of the kickstand. A final {fraction (5/16)} inch hole is drilled into tubing 52, and member 96 (FIG. 7), a 1 inch by 6 inch steel tube, which has been welded into the inner diameter of longitudinal tubing 52. A inch 20-flange nut 94 is welded to tubing 52 with its center lining up with that of the final {fraction (5/16)}-inch hole as described above. A 1 inch long inch 20 threaded eye bolt 92 is then screwed into the flag nut 94 located on tubing 52. Eyebolt 92 penetrates through nut 94, tubing 52 and tube 96 and finally the stem of the bicycle handle bar assembly 56. This helps to prevent the possible twisting of the bicycle handlebar assembly 56. Eyebolt 92 can also be used to fasten a load that extends beyond the front of the platform to the bicycle handlebar assembly 56.
  • [0036]
    Typically, the tubing 52 extends 2 to 3 feet from the platform and the transverse handlebar stem assembly 56 has a U-shaped portion 57 and handle portions extending from the U-shaped portion having handles 88,90 and the locking hand brake 58 mounted o the handle portions. Also typically the transverse handle bar stem assembly 56 extends a distance “D” of about 5 to about 12, preferably about 6 to about 8 inches, above the longitudinal axis of the longitudinal tubing 52 (see FIG. 5). Handlebar assembly has a width “T” typically about 12 to about 30 inches.
  • [0037]
    Still in FIG. 7 there is a 1 inch by 2 inch by ⅛ inch flat stock steel plate, member 104, with a 1 inch hole drilled though the center that is welded to the end of tubing 52 at the end nearest the handle bar assembly 56. The stem of the bicycle handlebar assembly 56 slides through the hole of member 104 and into the 1 inch steel tubing 96. The bicycle handlebar assembly 56 is secured to tubing 52 with an expander bolt and wedge.
  • [0038]
    Turning now to FIG. 5, the final piece shows a small piece of round stock member 110 inch length inch diameter, welded to the kick stand mount to prevent the kick stand from going past perpendicular when in use.
  • [0039]
    While the invention has been described in connection with a preferred embodiment, it is not intended to limit the scope of the invention to the particular form set forth, but on the contrary, it is intended to cover such alternatives, modifications, and equivalents as may be included within the spirit and scope of the invention as defined by the appended claims.
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Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7172207Jun 1, 2005Feb 6, 2007Terry HenryCollapsible cart
US8419046 *Aug 26, 2010Apr 16, 2013Flavio LIMONTINIField litter carrier
US20060273554 *Jun 1, 2005Dec 7, 2006Terry HenryCollapsible cart
US20100013182 *Jan 21, 2010Kergosien Patrick JTree stand wheel attachment
US20110049841 *Aug 26, 2010Mar 3, 2011Limontini FlavioField litter carrier
Classifications
U.S. Classification280/652
International ClassificationB62B1/18, B62B5/04, B62B1/20
Cooperative ClassificationB62B5/0438, B62B2206/06, B62B2207/00, B62B2202/42, B62B1/206, B62B1/202, B62B2205/14
European ClassificationB62B1/20D