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| Number | Title | Issue Date |
| 8100426 | Systems for positioning and linking motor vehicles to reduce aerodynamic drag A system for linking two or more vehicles to achieve reduced aerodynamic drag while the vehicles are travelling on the road is disclosed. The disclosed system not only physically connects the vehicles but also allows the driver of the leading vehicle to monitor and ... | 01/24/2012 |
| 7374197 | Cart having a retractable tongue coupling system A cart for transporting objects is provided. The cart includes a base structure supported on a plurality of wheels. An elongated tongue is telescopically mounted to an underside of the base structure and is movable between an extended position, wherein the tongue ex... | 05/20/2008 |
| 7347036 | Lawn mower towing device An assembly is provided for towing first and second push-type lawn mowers behind a riding mower. A base plate attachable to the rear of the riding mower releasably holds a tow bar. First and second tow arms are releasably coupled to the tow bar and are each adapted ... | 03/25/2008 |
| 7338061 | Stabilized vehicle using articulating joint The present invention provides a critical breakthrough in wheeled vehicle concepts, by enabling stable vehicle operations, where wheelbase configuration varies in relation to the need for roll preventing force. This enables a new form of automobile that is especiall... | 03/04/2008 |
| 7219913 | Articulated vehicle wheel tracking mechanism The invention provides a trailer for use as part of an articulated vehicle (15) with improved cornering characteristics. The trailer includes: a main chassis (18) connectable to a wheeled section (16) of the vehicle immediately ahead of the trai... | 05/22/2007 |
| 7159888 | Modular transport vehicle and method of use A modular transport vehicle includes a plurality of dollies which are removably connected to a central spine. Because the components of the present invention may be disconnected, the transport vehicle may be readily disassembled and moved from location to location u... | 01/09/2007 |
| 7137641 | Trailer apparatus A trailer train apparatus is disclosed that is comprised of a plurality of trailers connected end-to-end. At least some of the trailers are wheeled trailers with steerable wheels. The train includes opposing end trailers that each have tongues that enable the train ... | 11/21/2006 |
| 7090237 | Apparatus for pulling a trailer behind a boat trailer An apparatus for pulling a trailer behind a trailer is disclosed, and includes a mounting bracket assembly for mounting on the rear of the trailer, and a main trailing member mounted on the mounting bracket assembly in a manner such that the main trailing member is ... | 08/15/2006 |
| 7059615 | Locking mechanism and method for a mower-sulky unit A sulky apparatus and method are described. The sulky rides behind a self-propelled mower. The sulky apparatus allows the mower operator to ride behind the mower, as the self-propelled mower is guided about a lawn. Common to the sulky apparatus is a swing arm that e... | 06/13/2006 |
| 7011328 | Transversely extending pivotal hitch mechanism Apparatus and method for applying temporary raised pavement markers (TRPM) to roadway surfaces comprises a conveyor upon a wheeled vehicle wherein an upstream end portion of the conveyor is able to extend, for example, over the rear bed portion of a roadwork vehicle... | 03/14/2006 |
| 6957825 | Trailer impact suppression apparatus A hitch receiving assembly for connecting a trailer to towing vehicle is disclosed. The hitch receiving assembly includes a first fixed elongate member mountable to a trailer and a second floating hitch receiving member that is separated from the fixed member by a p... | 10/25/2005 |
| 6945021 | Chassis for grass treatment machine A chassis for a grass treatment machine on which an elongate grass treatment module having opposed outer ends may be mounted, and in which the chassis is intended to be mounted in, or form part of, the frame of a grass treatment machine. The chassis has two module m... | 09/20/2005 |
| 6928798 | Swing out arm for rear rotary deck A rotary lawn mower having a frame supported by a plurality of wheels for movement over the ground and a rotary cutting deck assembly. A support bracket assembly is pivotally coupled to the frame for movement about a generally vertical axis. A telescoping arm is piv... | 08/16/2005 |
| 6874807 | Coupling device for a handling trolley A coupling device for a handling trolley comprises a drawbar (22) arranged at the front of the trolley and designed to co-operate with the hook (24) provided at the back of a tractor, in particular a trolley preceding a line of trolleys. The drawbar ( | 04/05/2005 |
| 6318746 | Connector system for coupling a trailer suspension frame A connector system for coupling a suspension frame device to the rear part of a transport trailer for use in distributing the weight of the load of the trailer to extra wheels and/or providing an effective attachment arrangement for connecting a second tr... | 11/20/2001 |
| 6312003 | Complex trailer for a vehicle The complex trailer can be coupled to a vehicle having a drawing rack and mainly comprises a first trailer and a second trailer, in which the first trailer includes a deck, a bogie wheel, and a landing; the second trailer includes a wagon bed, and a trail... | 11/06/2001 |
| 6170848 | System and related method for steering an articulated train An articulated train such as a coal haulage system includes first, second, third and fourth vehicles pivotally pinned to one another in end-to-end relationship. In the improvement, the train includes a steering system having first mechanism for selectivel... | 01/09/2001 |
| 6000708 | Self tracking land vehicle A self tracking land vehicle includes a number of cargo or passenger cars and a drive car. Each cargo car may have a chassis with a standardized container mounted on it. At least front and rear axles which have at least two inflatable tires each are provi... | 12/14/1999 |
| 5873593 | Piggyback truck transport system A nestable truck body is provided, having dimensions of height and width which increase from the front of the truck body to the back of the truck body do that the majority of the truck body is able to be nested within another empty truck body of similar c... | 02/23/1999 |
| 5860668 | Semitrailer having an extendible dolly A convertible chassis for a dual axle semitrailer for converting the semitrailer to a single axle trailer having an attached dolly to pull a second trailer thereon.... | 01/19/1999 |
| 5749593 | Converter dolly lift mechanism A lift mechanism for use with a tractor and a convertor dolly. The lift mechanism includes an elongated arm having a first end and a second end; tractor attachment structure for pivotally attaching the first end of the arm to a tractor; convertor dolly at... | 05/12/1998 |
| 5700023 | Vehicle formed from a series of modules interconnected by a composite articulated connection The articulated vehicle is formed from a plurality of modules interconnected in an articulated fashion, including one leading module (1) with a front steering set of wheels (12), a rear module (3) with a controlled orientable rear set of wheels (13) and, ... | 12/23/1997 |
| 5507514 | Dockable container chassis A dockable container chassis has a slidable bunk for carrying the container between transport and docking positions. This chassis may be used as the lead trailer of a "B train" or as a single semi-trailer. When the chassis is the lead trailer, a fifth whe... | 04/16/1996 |
| 5423565 | Mower hitch for lawn tractor A hitch attaches to a lawn tractor and draws two lawn mowers therebehind. The hitch includes a draw bar solidly mounted to the tractor, and a link for each towed mower, which mowers each include a bracket to the deck thereof. The links include plumbing te... | 06/13/1995 |
| 5280939 | Steering control systems for "C" dollies and the like In "C" dolly systems, it is conventional to provide a resistance to steer of approximately 0.3 G in order to improve the steering thereof particularly in an evasive action and to decrease the tendency of high speed off tracking. The higher this resistance... | 01/25/1994 |
| 5272986 | Towing swivel for pipe inspection or other vehicle A vehicle 10 which inspects pipes 12 using flux-leakage has a flux generating electromagnet 14 and foils 18, 20 to transfer the flux to the pipewall 12. Sensors 22 detect flux forced to leak from the pipe by defects. The vehicle is required to pass 1-D be... | 12/28/1993 |
| 5259639 | System for towing a plurality of four wheeled vehicles A system is disclosed for towing a pair of four wheel vehicles having handlebars for steering, e.g. an ATV, behind a van or other tractor vehicle. Such system includes an elongated tow bar that carries first and second hitchballs on its end portions. For ... | 11/09/1993 |
| 5005851 | Truck mounted jeep having adjustable axle and loading capacity A jeep for use with a vehicle for carrying heavy loads on conventional roadways. The jeep is supported by many independent wheel/axle units mounted for transverse movement relative to the jeep. A fifth wheel movable in two orientations, vertical and longi... | 04/09/1991 |
| 4955629 | Covertible chassis for a semitrailer Chassis for a semitrailer that is convertible to an elongated chassis to support both the semitrailer and a trailer towed behind the semitrailer; the chassis including three telescoping sections, two pairs of wheels, and a fifth wheel plate for the traile... | 09/11/1990 |
| 4896485 | Lawn mower assembly A lawn mower hitch assembly which includes a hitch bar pivotally secured between a towing vehicle and the front of a lead lawn mower substantially at its longitudinal axis. The hitch connection on the towing vehicle is above the hitching connection on the... | 01/30/1990 |
| 4870810 | Lawn mower assembly A lawn mower hitch assembly which includes a hitch bar pivotally secured between a towing vehicle and the front of a lead lawn mower substantially at its longitudinal axis. The hitch connection on the towing vehicle is above the hitching connection on the... | 10/03/1989 |
| 4844495 | Drawbar A drawbar for pulling a cultipacker for compacting loose earth. The drawbar has a main pulling beam for attachment at a forward end to a plow being drawn by a tractor and at a rearward end to the cultipacker. The drawbar includes an extendible arm connect... | 07/04/1989 |
| 4815259 | Rotary lawn mower gang frame A frame for ganging a plurality of individually powered rotary lawn mowers together for towing by a vehicle in cutting lawn or the like has T-shaped draft bars which have cross-bar portions pivotally attached to the brackets of skid units mounted to the f... | 03/28/1989 |
| 4637625 | Mower hitch assembly A lawn mower hitch assembly including a leading hitch device and a trailing hitch device secured to a respective leading mower vehicle and a trailing mower vehicle, and operatively connected to each other for free pivotal movement about a substantially ve... | 01/20/1987 |
| 4253256 | Self-loading dualistic earth excavator with connecting telescopic conveying and dualistic distribution means An improved reciprocatory self-loading dual-ended earth excavation vehicle pivotally connected to two or more unmanned self-leveling and self-maneuvering telescopic conveyor vehicles, the latter in turn are pivotally connected to a multi-function dual-end... | 03/03/1981 |
| 4222132 | Patient transport apparatus An apparatus for transporting a patient from a zone having one level or type of contamination to a zone having a lesser level of such contamination, while minimizing the likelihood of contamination from the first zone being carried by the transport appara... | 09/16/1980 |
