| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 280446100 | Condition responsive connections | 33 |
| 20080315559 | Work Vehicle - Disclosed is a working vehicle capable of working and driving in stable condition while suppressing the adverse effect caused by the load variation such as sudden dashing from an associated ground working implement. The working vehicle comprises a controller for controlling the variator ratio of its toroidal mechanism to oppose the variation of the load when the toroidal mechanism is loaded on its output side. The controller adjusts the variator ratio appropriately when the engine starts. | 12-25-2008 |
| 20090146392 | Trailer Towing-Control Apparatus - The invention relates to a trailer towing-control apparatus comprising a towing means connectable between a trailer and a towing vehicle; the towing means having a first connection means at its operative forward end pivotably connectable to a towing vehicle and a second connection means pivotably connectable to the trailer on the other side of the axis of the trailer relative to the first connection means; and a restraint means to selectively allow for articulation of the first connection means relative to the towing vehicle or to prevent articulation of the towing means relative to the towing vehicle in a horizontal plane. | 06-11-2009 |
| 20100059968 | CHILDREN'S RIDE-ON VEHICLES HAVING DETECTION SYSTEMS - A children's ride-on vehicle is disclosed. In some embodiments, the vehicle may include a body having a seat assembly configured to support a child; and a drive assembly adapted to selectively drive rotation of at least one driven wheel in a plurality of drive configurations, and including a motor assembly comprising at least one electric motor, at least one user input device positioned to receive inputs from a child supported by the seat assembly and adapted to selectively actuate the motor assembly, a battery assembly adapted to selectively energize the motor assembly, and a detection system adapted to detect whether an accessory is coupled to the body. The drive assembly being adapted to restrict driving of the at least one driven wheel to less than all drive configurations of the plurality of drive configurations based on the detection system detecting whether the accessory is coupled to the body. | 03-11-2010 |
| 20110049838 | TRAILER MOUNTED CRASH ATTENUATOR - A trailer-mounted crash impact attenuator is disclosed for attachment to a host vehicle, which comprises an anti-rotational attachment system having an internal support tube and a plurality of external support tubes. The internal support tube has a connector on a front end thereof for attachment to a suitable receptacle on the host vehicle, and the plurality of external support tubes each have an anti-rotation support pad on a front end thereof. At least one of the internal support tube and the plurality of external support tubes is comprised of a telescoping construction. A backup frame is disposed on a rear end of the attachment system, and a crash attenuator unit is disposed on an axle and pair of wheels for mobility. When the crash attenuator is impacted by an errant vehicle, the anti-rotational attachment system is actuated to prevent the trailer mounted crash impact attenuator from rotating relative to the host vehicle. | 03-03-2011 |
| 20110101645 | Teleswivel Hitch Apparatus - A hitch apparatus includes a frame, spool assembly, and hitch assembly. The frame includes a base with a pair of arms extending away from one side of the base in side by side, spaced-apart relationship. A spool assembly is movably secured to elongated guides associated with the arms so as to be slidable along the arms. A hitch assembly is pivotably secured to the spool assembly and is movable relative to the frame between retracted and extended positions. The hitch assembly includes a pair of spaced apart plate members, each having a recess formed in an outer surface thereof. The spool assembly is pivotably secured within apertures in the plate members, and a guide pin located on each frame arm is operably engaged with a respective recess such that an extent to which the hitch assembly pivots relative to the frame progressively decreases as the hitch assembly is progressively retracted. | 05-05-2011 |
| 20120187659 | PROTECTIVE DEVICE FOR AN ARTICULATED VEHICLE - The invention relates to protective device for an articulated vehicle ( | 07-26-2012 |
| 20120200064 | SYSTEM FOR AUTOMATIC ADJUSTMENT OF THE GAP BETWEEN A TRACTOR VEHICLE AND AN ATTACHED TRAILER - A system is specified for the automatic adjustment of a gap between a tractor vehicle and an attached trailer, with a length-adjustable hitch with a tension tube, at the end of which is arranged a tension lug, while the tension lug can travel in the vehicle's lengthwise axis relative to the tension tube by an actuator along a predetermined travel path, as well as a control unit. The basic problem of the invention was to provide a system with which the gap between tractor vehicle and trailer can be changed automatically in driving operation and depending on the speed, both for articulated and unarticulated trailers. The problem is solved according to the invention with a system in which the control unit is an electronic controller, which is hooked up to a speed pickup for the processing of a speed signal and connected to the actuator. | 08-09-2012 |
| 20130026735 | TRAILER TONGUE CONNECTION UNIT - A safety brake system for a trailer comprises a brake end having a brake unit adapted to be secured to a trailer and positioned to block movement of the trailer when actuated and an actuation end adapted to be secured to a front end of the trailer. The actuation end comprises a hitch ball coupler having a hand portion defining a concavity adapted to receive a hitch ball of a vehicle. It also comprises a mechanism operatively connected to the hitch coupler and displaceable with respect thereto. The mechanism comprises a probe plunger and a hitched position. The mechanism is connected to the brake unit for actuation of said brake unit. The safety brake system also comprises a biasing unit. A trailer assembly is also provided. | 01-31-2013 |
| 20140145415 | METHOD FOR CONTROLLING A WORKING MACHINE, AND A WORKING MACHINE - A method is provided for controlling a working machine that includes a front section having a frame and a pair of wheels arranged on a geometrical front wheel axis, and a rear section having a frame and a pair of wheels arranged on a first geometrical rear wheel axis and a pair of wheels arranged on a second geometrical rear wheel axis arranged behind the first rear wheel axis. The front section and the rear section are pivotally connected to each other for pivoting about a substantially vertical pivot axis. In a first control mode the wheels of the second geometrical rear wheel axis are steered to substantially follow the same tracks as the wheels of the geometrical front wheel axis when driving the working machine during cornering, and in a second control mode steering the wheels of the second geometrical rear wheel axis follow tracks which are different from the tracks of the wheels of the geometrical front wheel axis. | 05-29-2014 |
| 20140175773 | FLOW RECTIFIER ASSEMBLY - A flow rectifier assembly including a manifold with a variable orifice disposed therein. Further, the flow rectifier assembly includes one or more valves disposed in the manifold and fluidly connected to the variable orifice to provide a uni-directional flow over the variable orifice. Each of the one or more valves includes a poppet. A fly-cut recess defined in the manifold includes a seat for resting the poppet. | 06-26-2014 |
| 20140183841 | Tow Hitch System with Brake Sensor - Sensors detect movement between a towing vehicle and a load and adjust braking forces proportionately to the movement. | 07-03-2014 |
| 20140367943 | BRAKE ACTUATOR HITCH FOR A TOWED VEHICLE - An apparatus and method are described for a brake actuator hitch. The brake actuator hitch is configured to be connected to a tow vehicle receiver and a towed vehicle and includes mechanical linkage to actuate a brake pedal of the towed vehicle when there is a difference between relative motions of the brake actuator hitch and the tow vehicle receiver. | 12-18-2014 |
| 20150048595 | ROAD FINISHING MACHINE WITH PUSHING DEVICE - The disclosure relates to a road finishing machine with a chassis and a pushing device. The pushing device comprises at least one docking assembly and at least one absorber unit. The absorber unit is fixed to the chassis of the road finishing machine and comprises at least one piston-cylinder unit which comprises a cylinder and a working piston movable therein which subdivides the piston-cylinder unit into at least one first and one second chambers and is coupled to the docking assembly. The docking assembly may be positioned, by the movably mounted working piston, relative to the chassis between an extended position and at least one retracted position. In the piston-cylinder unit, at least one flow channel is provided between the first and the second chambers for letting a fluid enclosed in the piston-cylinder unit pass through, the fluid being prestressed in the extended position. | 02-19-2015 |
| 20150084311 | ROAD TRACTOR SEMI-TRAILER COMBINATION - A road tractor semi-trailer combination | 03-26-2015 |
| 20150290988 | Tow Hitch with Brake Sensor System and Method of Use - A tow hitch that detects movement between a towing vehicle and a load and adjusts the braking forces of the load brakes proportionately to the movement, is disclosed. Said tow hitch comprising a load tow member selectively engaged with a vehicle tow member, a one or more sensors connected to the load tow member, and at least one of the one or more sensors is disposed between the vehicle tow member and the load tow member when the load tow member is engaged with the vehicle tow member. The at least one of the one or more sensors is in electronic communication with the load brakes, whereby the at least one of the one or more sensors senses movement between a load member and a vehicle member when the load tow member is engaged with the vehicle tow member and adjusts the braking forces of the load brakes. | 10-15-2015 |
| 20150314660 | Auxiliary Carry Device For A Baby Stroller - An adjustment device of an auxiliary carry device connected to a baby stroller includes an expanding unit and a folding unit. The folding unit is connected to a board. The expanding unit has two cables, two links and a base. The two cables are connected to the baby stroller, and the two links are connected between the cables and the base connected to the board. The expanding unit makes the two links simultaneously be pivoted away from or toward each other. The folding unit is connected between the board and the expanding unit to pivot the base. The board is pivoted relative to the baby stroller to save space, and the cables provide cushion feature to the board. | 11-05-2015 |
| 20150376863 | CUSHION HITCH FOR MOTOR GRADER - A cushion hitch having a hydraulic cylinder coupled to a vertical link and an extendable rod coupled to the front of a motor-grader type machine. The cushion hitch allows for both articulation and vertical movement. The cushion hitch helps reduce bounce and pitch in the motor-grader type machine—having a front frame and a rear frame—by controlling the supply of hydraulic fluid to the hydraulic cylinder. | 12-31-2015 |
| 20160046160 | ARTICULATED HITCH COUPLER - An articulated coupler permits vertical displacement of a towed vehicle relative to a towing vehicle while preventing lateral or horizontal displacement of the towed vehicle relative to the towing vehicle. Multiple linkage arms provide coupling for special configuration towed vehicles such as short wheel-mounted lifts that experience torsional forces due to the presence and absence of loads on the lift. | 02-18-2016 |
| 20160059914 | MODULAR TRAILER ASSEMBLY - A modular trailer assembly for attachment to a frame of a vehicle includes an elongate support member, a first connector rigidly mountable to the frame of the vehicle, a rear loop, and a second connector. The proximal end of the support member is pivotally connected to the first connector and selectively detachable therefrom. At least one wheel is rotatably connected to the distal end of the rear loop. The second connector includes a first frame member and a second frame member rotatably coupled to one another. The distal end of the first frame is configured to engage the proximal end of the rear loop. The proximal end of the second frame member is configured to engage the distal end of the support member. The first frame member is rotatably moveable to allow cargo to track with the vehicle independently of a change in orientation of the at least one wheel. | 03-03-2016 |
| 20160167468 | TRAILER MOUNTED CRASH ATTENUATOR | 06-16-2016 |
| 280448000 | Reversal responsive articulation modification | 2 |
| 20110018231 | Steering Arrangement for a Trailer - Steering arrangement for a trailer, with a hitch ( | 01-27-2011 |
| 20150137482 | INTELLIGENT HITCH APPARATUS FOR VEHICLES - A hitch apparatus for a vehicle includes a microcontroller unit, a drawbar, and a coupling apparatus secured within the drawbar via a pin. The pin and/or the drawbar includes one or more force sensors, each configured to measure a force vector on the pin and/or drawbar during towing of a trailer or other vehicle attached to the coupling apparatus. Each force sensor is electrically connected to the microcontroller unit, and the microcontroller unit is configured to receive force measurement data from each force sensor and process the data for transfer to a vehicle control system via a controller area network bus associated with the vehicle. The microcontroller unit may determine if one or more threshold forces have been exceeded and trigger one or more corrective actions by the vehicle control system in response to determining that a threshold force has been exceeded. | 05-21-2015 |
| 280449000 | Overload release | 1 |
| 280451000 | Frangible member (e.g., shear pin) | 1 |
| 20090184492 | ROLLOVER LIMITING VEHICLE COUPLING APPARATUS - The present invention provides a rollover limiting vehicle coupling apparatus for coupling two vehicles, wherein apparatus is configured to provide stability in certain directions in one mode of operation, and is further configured to prevent transmission of rollover between vehicles in another mode of operation. | 07-23-2009 |
| 280455100 | Antisway hitch | 10 |
| 20080217884 | Trailer Reversal Self-Correcting Assembly - A trailer reversal self-correcting assembly ( | 09-11-2008 |
| 20080284133 | ADAPTABLE DRAWBAR SUPPORT ASSEMBLY - The invention relates to a drawbar support assembly. There is a need for a drawbar support assembly which can adapt to different types of drawbars. An adaptable drawbar support assembly includes a generally U-shaped front support member for coupling to and supporting the front end of the drawbar. A front spacer member mounts in the front support member above or below the front end of the drawbar. A generally U-shaped rear support member couples to and supports the drawbar. A rear spacer member mounts in the rear support member below the drawbar. The rear spacer member is removable from the rear support member when the front spacer member is mounted above the front end of the drawbar. A ball coupler is attached to the rear end of the drawbar when the front spacer member is mounted above the front end of the drawbar. A clevis coupler is attached to the rear end of the drawbar when the front spacer member is mounted below the front end of the drawbar. | 11-20-2008 |
| 20090008904 | APPARATUS FOR LEVELING A TRAILER AND DAMPENING SWAY - An apparatus for tensioning spring arms used in conjunction with a weight distribution hitch. The apparatus may comprise a mechanical linkage that may be operable to multiply an input force provided by a jack to an output force of sufficient magnitude to tension the spring arms. The mechanical linkage may comprise a pair of rigid arms that are linked to a support post of a trailer jack. The pair of rigid arms may automatically be raised in conjunction with the support post being operated from a lowered position to a raised position. The rigid arms may exert a force on a cross-piece member extending between the spring arms. Alternatively, the mechanical linkage may comprise a flexible member for placing the spring arms under tension. | 01-08-2009 |
| 20090045603 | YAW CONTROL SYSTEM FOR A VEHICLE-TRAILER COMBINATION - A yaw control system capable of detecting a predetermined yaw angle of a towed vehicle and then automatically communicating with a braking system of the towed vehicle includes an actuator and a switch. The actuator and switch operate to detect when a towed vehicle, such as a trailer, has exceeded a predetermined yaw angle. In one embodiment, the yaw control system includes a switch arranged to contact a surface of a plate (i.e., actuator) when the towed vehicle exceeds the predetermined yaw angle. In another embodiment, the yaw control system includes a switch mechanism arranged to contact retractable rods (i.e., actuator) coupled to a hitch assembly when the towed vehicle exceeds the predetermined yaw angle. | 02-19-2009 |
| 20090152831 | HITCHING DEVICE WITH STABILIZER FOR AVOIDING AND/OR DAMPING ROLLING MOTIONS BETWEEN A TRACTION VEHICLE AND A TRAILER COUPLED TO THIS TRACTION VEHICLE - The invention is based on a hitching device with a stabilizer for avoiding and/or damping rolling motions between a traction vehicle and a trailer coupled to it. The stabilizer is equipped with a friction clutch, which affects the friction conditions between a trailer hitch on the end toward the traction vehicle and a coupling element on the end toward the trailer. According to the invention, the stabilizer is provided with an externally triggerable electric motor and a gear acted upon by the electric motor be used for actuating the fiction clutch. The gear is self-locking in the release direction of the stabilizer. | 06-18-2009 |
| 20090152832 | ANTI-SWAY TRAILER HITCH DEVICES - The present disclosure relates trailer hitch devices for towing a trailer behind a vehicle. The present disclosure provides a hitch and associated structures which provide an anti-sway function. More specifically, the present disclosure provides an anti-sway trailer hitch including an anti-sway device for the hitch, wherein the anti-sway device includes: a sway bar attachment member having a cammed surface; and a sway controller having a bias mechanism adapted to bias a travel axis of the trailer toward a travel axis of the towing vehicle through an interaction between the cammed surface of the sway bar attachment member and the bias mechanism. | 06-18-2009 |
| 20100052290 | Sway Control Device for Trailers - The present invention relates to an apparatus for reducing sway of a trailer towed by a towing vehicle. The apparatus comprises a draw bar for linking a trailer to a vehicle and means for hitching the trailer to the draw bar and for hitching the draw bar to the vehicle. The apparatus also comprises a body associated with the hitching means such that horizontal angular movement of the draw arm relative to the draw bar causes a substantially equivalent horizontal angular movement of the body relative to the draw bar. The apparatus further comprises means linked to the body for dampening horizontal angular movement of the body and, thereby, dampening horizontal angular movement of the trailer. | 03-04-2010 |
| 20130056956 | RECESSED CLAMPING BOLT ATTACHMENT SYSTEM FOR SWAY CONTROL HITCH BRACKET - A trailer hitch system for equalizing trailer loads and reducing trailer sway. The trailer hitch system may include spring bars that may be attached to a hitch head using a trunnion style connection. The spring bars may be attached to the trailer using rigid brackets that reduce swinging of the spring bars. The rigid brackets having a plurality of contact points may include an upward extending portion for attaching to the trailer tongue, and a lateral extending portion for receiving the spring bars thereupon. | 03-07-2013 |
| 20160082794 | ROTATING RETAINER CLIP FOR WEIGHT DISTRIBUTION HITCH SPRING ARM RETAINING PIN - A trailer hitch system for equalizing trailer loads and reducing trailer sway. The trailer hitch system may include spring bars that may extend from a hitch head. The spring bars may be attached to the trailer using rigid brackets that reduce swinging of the spring bars. The rigid brackets may include an upward extending portion for attaching to the trailer tongue, and a lateral extending portion for receiving the spring bars thereupon. Pins may be utilized to secure the spring bars on the lateral extending portion of the brackets. The pins may each include a spring loaded clip that is rotatably between an unlocked position and a locked position. | 03-24-2016 |
| 20160375736 | Dolly Stabilizer - A dolly stabilizer is mounted onto a rear end of a trailer and has a stabilizer plate, a stabilizer pin, and a control box. The stabilizer plate is mounted to a chassis having at least one pair wheels. The stabilizer plate may comprise a plurality of mounting holes. It includes a dolly tongue stabilizer pin hole that receives the stabilizer pin. The stabilizer plate includes an internal piston that is selectively driven into a recess or opening in the stabilizer pin to straighten a position of a subsequent trailer or dolly relative to a preceding one. The control box includes a pneumatic input for receiving pressurized air and a pneumatic output to brakes on the dolly. A speed sensor may be coupled to the control box for allowing speed control of the dolly wheels. Electrical connections accept power for operating lights and other electrical devices on the dolly. | 12-29-2016 |
