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| Number | Title | Issue Date |
| 7726680 | Extension trailer An extendable trailer comprising wheels carrying a fixed frame, and a fixed support tube carrying a plurality of bearings that support an extendable support tube passing through said fixed support tube. A portion of a trailer hitch supported on the extendable suppor... | 06/01/2010 |
| 7390006 | Trailer hitch extension system A trailer hitch extension system includes a trailer that has an elongated forward arm having a front end and a back end. The front end is open. A tubular member has a first end and a second end. A trailer hitch is attached to the first end. The second end is positio... | 06/24/2008 |
| 7364181 | Self locking coupling device A coupling device that requires no manual actuation to achieve coupling features a locking bolt movable along a hole extending into a mouth of a hook body to secure a coupling pin therein. A control lever pivotally connected to the locking bolt opposite the mouth en... | 04/29/2008 |
| 7354218 | Portable traffic barrier system A system for repositioning an elongated traffic barrier utilizes a tow vehicle connected to one end of the elongated traffic barrier to exert a pulling force on the elongated traffic barrier and a drag connected at the other end of the elongated traffic barrier to e... | 04/08/2008 |
| 7237791 | Pivoting hitch system for trailer Disclosed is a trailer hitch system that is configured to rotate to a stowing position and an operating position. When in the operational position, a coupler arm of the trailer is aligned with the longitudinal axis of the trailer so that the coupler arm contributes ... | 07/03/2007 |
| 7222873 | Tow hook hitch assembly A tow hook hitch assembly attaches to one or both of the front tow hooks provided on a four wheel drive vehicle for mounting a tow ball, winch, or other accessory to the front end of the vehicle. The tow hook hitch includes an upper member extending above the tow ho... | 05/29/2007 |
| 7219915 | Trailer ball raising and lowering apparatus A trailer ball raising and lowering apparatus includes vehicle attachment means, a first hitch-support unit connected to the vehicle attachment means, a raisable and lowerable second hitch-support unit, continuously movable first-to-second connector means connected ... | 05/22/2007 |
| 7188857 | Transformable utility/ATV trailer The present invention relates to a transformable utility/ATV trailer (1) that can easily be adapted to mount to a large number of different types of vehicles and trailer hitches. Moreover, the trailer (3) can rapidly be converted from a short box/bed t... | 03/13/2007 |
| 7185904 | Auxiliary vehicle step An auxiliary step is primarily designed for facilitating entering and exiting the bed of a pickup truck. The step includes a shank for coupling a supporting post to an existing trailer hitch. A step is rotationally and linearly slidable on the supporting post for un... | 03/06/2007 |
| 7185907 | Extendable trailer hitch assembly A trailer hitch assembly includes a controller mounted within a vehicle cab and electrically coupled to a power supply source of the vehicle. A trailer hitch tongue section is attachable to the vehicle and provided with an elongated chamber. The tongue section has o... | 03/06/2007 |
| 7156411 | Hitch assembly A hitch assembly for mounting to a frame assembly of a vehicle comprises a one-piece hitch mounting structure having a general U-shape with opposing end portions and a centrally disposed intermediate portion between the end portions. A hitch receiver is mounted to t... | 01/02/2007 |
| 7125198 | Mobile work zone protection device A mobile work zone protection device includes a front carrier, a barrier beam assembly, and a rear carrier. In one embodiment, the barrier beam assembly includes two sets of telescoping beam structures. Each of these structures can rotate from one side of the device... | 10/24/2006 |
| 7032919 | Tow bar for vehicle A tow bar for connecting a towed vehicle to a towing vehicle, the tow bar comprising a towing vehicle connection mechanism connected to the towing vehicle; a towed vehicle connection mechanism connected to the towed vehicle; and an interconnecting mechanism connecti... | 04/25/2006 |
| 7029021 | Interlocking device The specification discloses several embodiments of an interlocking device. The specification discloses a preferred embodiment of an interlocking device having an inner bar slideable within the confines of an outer bar. The outer bar has a first end and a second end.... | 04/18/2006 |
| 7025428 | Axle for vehicles, in particular commercial vehicles For an axle for vehicles, e.g., commercial vehicles, with a rigid axle body, axle guidance and/or axle support is provided, making it possible to adapt to different transverse distances in the axle guidance or axle support which are predetermined on the body side. | 04/11/2006 |
| 7011327 | Displaceable ball hitch assembly A method and apparatus for providing a displaceable ball hitch assembly configured to be mounted in a bed of a truck. The displaceable ball hitch assembly includes a platform track, a displaceable platform, a gate member and a driving mechanism. The platform track d... | 03/14/2006 |
| 6999856 | Trailer tongue length estimation using a trailer yaw rate sensor A control system for estimating the tongue length of a trailer being towed by a vehicle in connection with a front wheel steering with or without coordinated rear wheel steering associated with the vehicle. The control system employs an algorithm that calculates an ... | 02/14/2006 |
| 6983953 | Extendable trailer A trailer having a having a hydraulic boom having a rear end with a crane for holding trees and an attachment for connecting the trailer to a truck on the front end. The trailer also has, at the extendable end, hydraulicly controlled supports for leveling the traile... | 01/10/2006 |
| 6974146 | Adjustable hitch and method of use Provided is an adjustable trailer hitch assembly and method of use that permits one person to controllably move the hitch within a plane of defined boundaries. Trailer hitch assembly includes one or more longitudinally extending assemblies for mounting under a vehic... | 12/13/2005 |
| 6957824 | Interlocking device The specification discloses several embodiments of an interlocking device. The specification discloses a preferred embodiment of an interlocking device having an inner bar slideable within the confines of an outer bar. The outer bar has a first end and a second end.... | 10/25/2005 |
| 6942237 | Hitch assembly A hitch assembly comprises a mounting bracket defining a horizontal through for receiving a drawbar. A pin projects downwards into the through for engagement in a pin slot defined in the drawbar. A wedge is axially insertable into the through for wedging the drawbar... | 09/13/2005 |
| 6932375 | Trailer coupling for a work vehicle A trailer coupling for an agricultural or industrial vehicle includes two guide rails which extend vertical and parallel to each other. A support is slidingly received by horizontal extending guide grooves in the guide rails. Different couplers can be mounted on and... | 08/23/2005 |
| 6923475 | ATV trailer with fully-rotatable suspension An ATV trailer with fully-rotatable suspension is provided. The ATV trailer is formed of frame members fabricated of square, metal tubing and welded together to form a framework of rails. A downwardly sloping tongue terminates into a ball hitch coupler being mountab... | 08/02/2005 |
| 6908094 | Heavy duty towing hitch A tow hitch having a shell and a draw bar in which the draw bar fits into a channel formed on the shell such that the draw bar may be shifted along the entire length of the channel and either enter or exit on either end of the channel. The shell is adjusted for conn... | 06/21/2005 |
| 6902181 | Trailer hitch having rapid adjustment An adjustable trailer hitch assembly which provides rapid and easy coupling by moving the ball to the tongue, rather than by moving the tongue to the ball. Adjustment is provided in each of three axes. Simultaneous movement in the lateral and vertical directions is ... | 06/07/2005 |
| 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 |
| 6854756 | Tow bar assembly A tow bar assembly includes first and second telescopic members. A releasable locking arrangement holds the first and second telescopic members in an extended position and includes at least one movable member to maintain the telescopic members in the locked relation... | 02/15/2005 |
| 6773025 | Collapsible trailer A collapsible trailer preferably includes a lengthwise base frame, a first deck member, a second deck member, an axle, and at least two wheels. The axle is preferably pivotally attached to a bottom of the lengthwise base frame. At least one wheel is pivotally retain... | 08/10/2004 |
| 6726237 | Vertically operable hitch A vertically operable hitch includes a horizontal support member with the forward end journaled in the receiver of a tow vehicle. An upright post on the support member has a carrier operably mounted thereon for selective vertical movement along the post. A hitch bal... | 04/27/2004 |
| 6685209 | Boat trailer A boat trailer having a multi-wheel supported frame and an extendable tongue which facilitates launching a boat into the water. A tongue member has a rear portion connected to and forwardly extending from the frame and a forward portion adapted for releas... | 02/03/2004 |
| 6511086 | Folding step for trailer hitch A foldable step assembly that is adjustably engageable with a trailer hitch receiver to achieve a variable horizontal clearance between a step plate and a rearward end of the receiver. The step plate is pivotally mounted to a step mount shank and is folda... | 01/28/2003 |
| 6488307 | Roll away trailer tongue A trailer tongue that can be rolled to an extended and retracted position. The present trailer tongue comprises a housing having and interior portion and an exterior portion. At least one track is located along the interior portion of the housing. In a pa... | 12/03/2002 |
| 6352278 | Tow bar assembly A coupling for coupling first and second members. The members define an opening for extended and circular counterparts. The counterparts turn on the members and each other while the members contact the counterparts to urge them together. The counterparts,... | 03/05/2002 |
| 6332627 | Extendable trailer A trailer having a length varied by the extension of beams from an extendable end. The trailer is further defined by having a saw on the extendable end and a crane for holding trees on the other end, which is typically a low end. The trailer also has, at ... | 12/25/2001 |
| 6328327 | Adapter device allowing the drawbar of an agricultural machine to be connected optimally to a hitching bar of a tractor An adapter device comprising an adapter bar equipped with a hitching pin extending vertically when the device is mounted on the hitching bar, and a connecting pin for the hitching bar. The adapter device allows the mechanical play between the hitching bar... | 12/11/2001 |
| 6321851 | Hitch mechanism for coupling implements to a vehicle A hitch mechanism for coupling an implement to a utility vehicle includes a coupling frame and six variable length links. The frame has couplers for coupling to the implement. Each link has a first end coupled to the vehicle and a second end coupled to th... | 11/27/2001 |
| 6302425 | Trailer tongue extension apparatus A trailer with an extension member pivotally mounts to a hinge attached to the tongue or frame of the trailer. Front and rear retainers bolt and clamp onto the tongue and frame. The extension member is retained by the forward retainer and extends substant... | 10/16/2001 |
| 6283490 | Vehicle towing bar assembly A vehicle towing bar assembly for providing a user with a towing bar that can be easily used by anyone to tow a vehicle to safety. The vehicle towing bar assembly includes a vehicle towing bar assembly, which includes a central tow bar member. A pair of o... | 09/04/2001 |
| 6237931 | Towbar adapter A towbar adapter assembly that attaches to a towbar boom and acts as a link between the towbar boom and a vehicle attachment point. The assembly has a base for attachment to the towbar boom and an anchoring strut that attaches to the vehicle. The base is ... | 05/29/2001 |
| 6231065 | Tractor and trailer An extensible and retractable linear drive (5) connects a tractor unit (1) and a trailer unit (2) and is controlled by a control unit (11). The progress of the tractor/trailer combination is assisted by alternately forcibly increasing and forcibly decreas... | 05/15/2001 |
