Motorized hauling apparatus with drive tracks |
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申请号 | US11373079 | 申请日 | 2006-03-10 | 公开(公告)号 | US20070209847A1 | 公开(公告)日 | 2007-09-13 |
申请人 | Kevin Schultz; Mark Parry; | 发明人 | Kevin Schultz; Mark Parry; | ||||
摘要 | A motorized all-terrain hauling vehicle includes a drive track assembly [22] and a flat bed [12] suspended above the drive track assembly. The flat bed [12] has an anterior portion, a motor assembly [28, 38] coupled to the anterior portion of the flat bed [12], a gear reduction assembly [23] coupled to the drive track assembly [22], and a steering handle bar [24] with a handle base [25] coupled to the back end of the anterior portion of the flat bed [12] enabling the hauling assembly [10] to haul large or bulky cargo loads over soft surfaces and rough terrain, especially ice, mud and snow. | ||||||
权利要求 | |||||||
说明书全文 | The invention relates generally to an all-terrain device for hauling large cargo in and more particularly relates to a motorized hauling apparatus having drive tracks. The use of hauling devices having a ski-track assembly is generally known. For example U.S. Pat. No. 5,911,422 teaches the use of a non-motorized wheeled carrier suitable for carrying diverse articles on sandy terrain. The carrier has four wheels supported on brackets and axles suspended beneath the body. Each wheel has an associated skid pivotally supported on the axle supporting its associated wheel. Each skid is configured in the manner of a ski, for assisting the carrier in negotiating ridges and similar obstructions present in sandy terrain. It is also known to use a drive track on a snowmobile for having a mobile ice fishing shelter assembly for permitting quick and easy movement of a mobile shelter designed to facilitate ice fishing. For example, U.S. Pat. No. 6,962,221 teaches a mobile ice fishing shelter assembly positionable on a vehicle having a seat portion and a drive assembly, and may comprise a shelter assembly coupled to the vehicle. There remains a need for a low cost all-terrain motorized cargo hauling vehicle. It would be desirable to have a low cost solution to this need. Briefly, in accordance with one embodiment of the present invention, an all-terrain hauling appartus comprises a drive track assembly having a flat bed and/or a cargo container suspended above the drive track assembly. The flat bed has an anterior portion, a motor assembly coupled to the anteror portion of the flat bed, a gear reduction assembly coupled to the drive track assembly and to the motor assembly, and a steering handle bar with a handle base coupled to the back end of the anterior portion of the flat bed, enabling the hauling assembly is haul cargo loads over all terrain. The gear reduction assembly has a first pulley coupled via a belt to the motor assembly, a second pulley coupled via a motor drive shaft to the first pulley and coupled via a second belt to the drive track assembly so as to drive the drive track assembly at slow speeds. Further, the steering handle bar may have a telescoping base which enables it to be retracted and extended. The drive track assembly may have a pivot point to enable ease of turning during operation. Finally, the motor assemble may be an electric motor or a gas driven motor. These and other features, aspects, and advantages of the present invention will become better understood when the following detailed description is read with reference to the accompanying drawings in which like characters represent like parts throughout the drawings, wherein: The present invention is a motorized large cargo hauling vehicle having the ability to haul such cargo over all-terrain. In an exemplary embodiment of the present invention In another exemplary embodiment of the present invention, as illustrated in Further flat bed 12 may have an enclosure 34 which makes it easier to haul bulky items. The enclosure 34 may have a plurality of compartments for storage. These compartments may, for example, be used to haul, fish and bait. Each compartment may be open or closed. Even though It is also within the scope of the invention to have an extended ‘mound’ somewhere in the bottom of track 22 for the same reasons. This will allow banking of the hauling apparatus 10 and easier turning on hard, dry surfaces. They also may be used to carry heavy building materials on a construction site. Typically, the ground is soft mud and there are heavy, bulky materials which need to be moved from place to place. In another alternative embodiment the motor assembly is a gas powered motor 38 having a speed control 26. The motor 28 has a motor pulley (not shown) coupled to its shaft. The speed control 26 is mechanically coupled to the gas powered motor 28 to control the speed. The motor may be as little as 3 hp, and can be selected based on the size of the load that may be hauled. In the present exemplary embodiment the load may be up to 500 pounds base on a 3 horse gas power motor. The operation of the present hauling apparatus 10 is straight-forward. The vehicle operator walks behind the motorized vehicle and operating the speed control to determine the speed of the vehicle. The steering wheel bar 24 may be turned to the right or left during vehicle movement which causes the hauling apparatus to maneuver to the corresponding opposite right or left. The gear reduction assembly has a gear reduction ratio so that the hauling apparatus 10 travels at 0 to 6 miles per hour over the full throttle range. For example, one embodiment may have a gear reduction of 25 to 1. The center of gravity of the flat bed 12 is low in comparison to the drive track assembly, which enables the present invention to haul large loads over any terrain. The previously described embodiments of the present invention have many advantages, including the ability to haul heavy or bulky cargo on all-terrain including terrain such as frozen lakes, on non-paved surfaces, in rocky areas and on slippery surfaces, such as snow and ice and mud. The present invention can carry very large loads without exceeding the point loading of a surface. Since the tracks make have 12 square feet of surface area, as opposed to a few square inches for wheels, the maximum loading (lbs./square inch) on a surface is much lower than would be for wheels. The lower loading per square inch allows the present invention to carry large loads over soft or deformable surfaces without destroying the surfaces. For exampled, the present invention can haul up to 500 pound loads across frozen lakes and up steps. Because the present invention is based on existing snowmobile drive track technology it is cheaper to manufacture. While only certain features of the invention have been illustrated and described herein, many modifications and changes will occur to those skilled in the art. It is, therefore, to be understood that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the invention. |