Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8157283 | Fifth wheel release tool apparatus The fifth wheel release tool apparatus has a cable having a cable first end spaced apart from a cable second end, a handle affixed to the cable first end. a pulley moveably disposed on the cable, the pulley entrapped on the cable, a first hook connected to the pulle... | 04/17/2012 |
| 8100427 | Pin box assembly for trailer A pin box assembly is provided for a trailer. The pin box assembly includes a first section having a trailer attachment point, a second section carrying a king pin and a pivot connecting the first and second sections together. In addition the pin box assembly includ... | 01/24/2012 |
| 7938427 | Recreational vehicle chassis A fifth wheel trailer of the type designed to be towed with a towing vehicle having a vehicle hitch assembly includes a trailer body having an elevated front portion, and a mounting arrangement extending downward from beneath the front portion. The front portion of ... | 05/10/2011 |
| 7806424 | Fifth wheel hitch assembly A fifth wheel hitch for towing a trailer behind a motor vehicle is adjustable between a forward position and a rearward position. The fifth wheel hitch includes a base assembly for mounting to the motor vehicle, head assembly for engaging the trailer and at least on... | 10/05/2010 |
| 7793966 | Plug-in connections Disclosed is a plug-in coupling system for joining cables between a tractor and a trailer. The invention also relates to the individual components, i.e. the semitrailer coupling and the plug-in connector on which the invention is implemented. The cables between the ... | 09/14/2010 |
| 7775541 | Hitch adapter for towing a fifth wheel trailer A wheeled vehicle including a platform portion having a mounting bracket for coupling a fifth wheel hitch to the vehicle. A pair of elongate frame members are located beneath the platform portion, and each having a lengthwise axis oriented substantially parallel to ... | 08/17/2010 |
| 7770910 | Safety latch for fifth wheel coupling A fifth wheel coupling for coupling sections of a tractor-trailer articulated vehicle includes a main plate mounted on the tractor which defines a keyhole slot for receiving a kingpin mounted on the trailer. The keyhole slot terminates in a coupling aperture, and a ... | 08/10/2010 |
| 7766361 | Rotating fifth wheel hitch kingpin assembly A kingpin assembly comprises a housing having a recess located therein, a collar member operably coupled to the housing, and an integral single-piece kingpin having at least a portion located within the recess of the housing, wherein the housing and collar cooperate... | 08/03/2010 |
| 7735849 | Compact fifth wheel locking mechanism In a fifth wheel hitch, a locking mechanism for retaining a trailer kingpin within a fifth wheel slot. The locking mechanism includes a jaw assembly comprised of two opposing jaw members pivotally attached at one end to the underside of the hitch plate, a longitudin... | 06/15/2010 |
| 7703791 | Fifth wheel cover A fifth wheel cover comprises a shell arranged to span over the fifth wheel plate of a tractor trailer chassis. The shell has a continuous, circular, peripheral edge to which a continuous band of elastomeric material is integrally joined about the full periphery for... | 04/27/2010 |
| 7654552 | Single jaw mechanism for fifth wheel hitch A jaw for a fifth wheel hitch assembly includes a jaw body having a stepped bearing surface. A jaw assembly for a fifth wheel hitch assembly includes a jaw body, a control handle and a connecting link where the connecting link is pivotally connected to the control h... | 02/02/2010 |
| 7654553 | Fifth wheel coupling with safety latch A safety latch is mounted in the keyhole of a fifth wheel coupling for joining the sections of an articulated vehicle. The safety latch is movable from an inactive position permitting the kingpin to move through the slot and into the aperture to an active position b... | 02/02/2010 |
| 7648153 | Control device for a tractor provided with a system for detecting pivoting and articulating angles between said tractor and a trailer A control device for an articulated road train provided with a system for detecting pivoting and articulating angles between the central longitudinal axes of the tractor and a semi-trailer coupled thereto by a coupling pin during coupling and parking and/or a contro... | 01/19/2010 |
| 7556278 | Fifth wheel hitch assembly incorporating king pin detection system The present invention relates to a fifth wheel hitch assembly for mounting on a towing vehicle and receiving a king pin of a trailer. The fifth wheel hitch assembly includes a base assembly, a head assembly carried on the base assembly and a jaw assembly carried on ... | 07/07/2009 |
| 7547034 | Fifth wheel lube plate having a perforated support member The fifth wheel hitch lube plate of the present invention comprises a perforated support member having a plurality of perforations and a lubricious material molded around the perforated support member such that the lubricious material covers both the top and bottom ... | 06/16/2009 |
| 7537235 | Lightweight fifth wheel hitch assembly A fifth wheel hitch assembly includes a hitch plate having a rearward end that defines a throat for receiving a kingpin. First and second structural support ribs extend downwardly from a bottom surface of the hitch plate. A pair of ears extend longitudinally between... | 05/26/2009 |
| 7530589 | Fifth wheel assembly with removable bearing plate A fifth wheel with a removable bearing plate includes a load structure comprising frame walls and inner bracing, and including a plurality of flanges, each of said plurality of flanges having an aperture disposed therethrough, said load structure also having at leas... | 05/12/2009 |
| 7516974 | Fifth wheel assembly A fifth wheel assembly comprises a fifth wheel having a plurality of journal bearings extending generally downward from its underside, and a transverse beam member for mounting the assembly to a truck frame. The beam member is dimensioned to span across parallel lon... | 04/14/2009 |
| 7490845 | Fifth wheel mounting pin riser adaptation A fifth wheel mounting pin riser adaptation is provided, said riser adaptation allowing a mounting pin to be easily extracted from a fifth wheel assembly. ... | 02/17/2009 |
| 7487990 | Semitrailer coupling A semitrailer coupling comprising a coupling plate and a bearing block used for movably fastening the coupling plate to a frame of a tractor. The bearing block is provided with a bearing area and a fastening area. The bearing area is embodied such that the coupling ... | 02/10/2009 |
| 7469918 | Deformable kingpin A kingpin is provided for use on a trailer in a system with the tractor linked to a trailer. The kingpin includes a shank and a selectively deformable head, whereby during a trailer rollover event, the kingpin head deforms allowing the link between the tractor and t... | 12/30/2008 |
| 7451995 | King pin assembly for securing trailer to fifth wheel A king pin assembly for securing a trailer to a fifth wheel comprises a king pin and a king pin mount. The king pin is adapted to be secured to the fifth wheel. The king pin mount is secured to the king pin and adapted to mount the king pin to the trailer. The king ... | 11/18/2008 |
| 7416204 | Lightweight narrow-span fifth wheel A short span fifth wheel hitch comprising a hitch plate, at least one back rib, a peripheral flange connected to ends of the back rib, and a main rib extending between the back rib and a portion of the peripheral flange, with the main rib being connected to ends of ... | 08/26/2008 |
| 7415325 | Method and apparatus for data interchange between a tractor vehicle and a trailer vehicle A method and apparatus for data interchange between a tractor vehicle and a trailer vehicle coupled thereto. A first electronic device provided in or on the tractor is connected via a data link to a second electronic device provided in or on the trailer; the first a... | 08/19/2008 |
| 7384056 | Fifth wheel coupler release apparatus This fifth wheel coupler release apparatus for adding to a fifth wheel hitch. The fifth wheel coupler provides a manner of releasing the coupling mechanism of a fifth wheel from a more accessible position and in a manner that can overcome any resistance through a le... | 06/10/2008 |
| 7347467 | Fifth wheel hook/tandem hook release tool A multi-purpose, hand-operated tool for use in release of a fifth wheel from a pulling or towing vehicle, for use in release of tandem pins allowing a tandem tire assembly to slide along an undercarriage of a trailer for proper weight distribution of a load, for use... | 03/25/2008 |
| 7296817 | Fifth wheel slide rail stop block A stop block for preventing over travel of an adjustable fifth wheel hitch assemblies comprising a generally rectangular solid member having a double curve disposed in said member such that a long portion of said member is higher in elevation than a short portion of... | 11/20/2007 |
| 7278816 | Locking mechanism for a double articulating hook lift apparatus usable mounted on a vehicle A double articulating hook lifting apparatus usable mounted upon a truck or trailer for loading and unloading containers with respect thereto and also being usable for dumping the containers. The locking mechanism operates to secure a movable arm to the pivot frame ... | 10/09/2007 |
| 7275901 | Combination passenger and cargo carrier A transport system having a chassis; a body mounted on the chassis, where the body includes a cabin for transporting at least one passenger; a cabin for the driver; a tandem coupled to the chassis; a drop frame secured to the chassis where the drop frame is below an... | 10/02/2007 |
| 7264259 | Fifth wheel hitch assembly A fifth wheel hitch assembly includes a mounting assembly, an arched base assembly, a head assembly and a jaw assembly carried by the head assembly. The jaw assembly includes a stepped jaw body. The head assembly includes a single piece, weldless and seamless skid p... | 09/04/2007 |
| 7261311 | Fifth wheel hitch assembly with self-locator Typical fifth wheel hitch assemblies require the operator to leave the cab of the vehicle to put the fifth wheel hitch assembly into position to receive a king pin of a trailer. The present invention is a fifth wheel hitch assembly that comprises a base assembly, a ... | 08/28/2007 |
| 7258181 | Omni-directional vehicle with trailer mule hitch assembly for moving semi-trailers An omni direction vehicle (ODV) with a frame having a round surface about its perimeter rotatably coupled to a trailer mule hitch assembly having an axle, wheels and a fifth wheel plate located generally above the axle. Two independent drive wheels located on an axi... | 08/21/2007 |
| 7253721 | Vehicle/implement coupling condition monitoring system An engine-driven vehicle/implement coupling system includes a mechanical coupling and one or more electronic and/or hydraulic connections. A coupling condition monitoring system includes one or two electronic control units, sensors for sensing a coupling condition o... | 08/07/2007 |
| 7240913 | Sliding latch for fifth wheel hitch A latch mechanism for a fifth wheel hitch that automatically closes a jaw and locks the hitch when the hitch engages a kingpin. The latch mechanism includes a handle that is used set the latch for receiving the kingpin. The latch mechanism also includes a latching m... | 07/10/2007 |
| 7234905 | Apparatus for attaching a hitch to a vehicle An apparatus for attaching a hitch to a vehicle is provided. The apparatus includes a pin rotatably mountable to the hitch and having a handle for rotating the pin. A receptacle formed in the vehicle receives the pin. A locking site defined by a channel is formed in... | 06/26/2007 |
| 7198282 | Cross member A cross member for a heavy duty over-the-highway tractor having an integral fifth wheel hitch such that the fifth wheel hitch is connected to the cross member rather than to brackets mounted to the frame rails of the vehicle. In one embodiment, the fifth wheel hitch... | 04/03/2007 |
| 7192045 | Fifth wheel trailer hitch A fifth wheel trailer hitch assembly having a torsion bar mounted to a bed of a vehicle, a pair of support arms connected to the torsion bar and extending upwardly, a support beam connected to and extending between the support arms, and a coupling assembly mounted t... | 03/20/2007 |
| 7182362 | Remote locking fifth wheel A remote controlled locking system for locking a trailer to a truck by locking a mechanism that secures the truck to the trailer. The system may include a remotely located transmitter adapted to transmit a control signal. A receiving unit on the truck is adapted to ... | 02/27/2007 |
| 7168727 | Invertible gooseneck trailer hitch mechanism An invertible gooseneck trailer hitch mechanism is provided. A frame supports a housing having an opening therein for receiving a hitch member in an upright use position or in inverted storage position. A base portion of the hitch member has a circumscribing groove ... | 01/30/2007 |
| 7163226 | King pin security device The present invention relates to a retractable king pin assembly for a trailer operable between an extended position, for engagement with a truck or tractor fifth wheel, and a retracted position, wherein the king pin is retracted to prevent engagement by a fifth whe... | 01/16/2007 |
