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Class 280/441.1 - Turntable-type fifth wheel coupling


Subclass of Class 280 - Land vehicles
Definition: Vehicles in which the tractor carried fifth wheel elements
No. of patents: 29
Last issue date: 04/24/2012


NumberTitleIssue Date
8162347Adjustable height fifth wheel hitch
An adjustable height fifth wheel hitch is provided. The fifth wheel hitch comprises a pedestal and a fifth wheel hitch assembly. The fifth wheel hitch assembly includes journal bearings which pivotally connect with risers of the pedestal. The risers of the pedestal ...
04/24/2012
7988177Displaceable fifth-wheel hitch assembly adaptable for use with multiple vehicle hitch coupling systems
An adaptive displaceable fifth-wheel hitch system operable with a vehicle hitch coupling system comprising a fifth-wheel hitch, a displacement mechanism operable to couple and displace the fifth-wheel hitch in a bi-directional, an adapter configured to operably rela...
08/02/2011
7448639Fifth wheel mounting bracket
A fifth wheel mounting bracket is provided. Said mounting bracket allows for the transfer of the load placed on the hitch plate through the mounting pin rather than through its contact surface with the saddle bearing of the hitch plate. ...
11/11/2008
7326022Tow trailer assembly
A modular tow trailer assembly tows cargo behind a motor vehicle. A base assembly pivotally connects to a fork assembly. A hydraulic lifting cylinder moves the wheels downward relative to the fork assembly to raise the fork assembly into a towing position with the l...
02/05/2008
7140633Fifth wheel mounting and cross member assembly
A fifth wheel mounting assembly for mounting a fifth wheel hitch plate to a frame of a tractor that includes a pair of first support members adapted to be fixedly coupled to a pair of rails of a tractor, and each having a plurality of first apertures, and a pair of ...
11/28/2006
7114740Fifth wheel slide rail and related method of assembly
A slide rail assembly for providing adjustable positions for fifth wheel hitches including a slide rail having feet extending downward from the underside of the slide rail, adjacent feet being separated by a detent for receiving a slide locking mechanism, each of th...
10/03/2006
7075290Tachometer apparatus and method for motor velocity measurement
A method and apparatus for determining the velocity of a rotating device is described herein. The apparatus includes a magnet assembly affixed to a rotating shaft of a rotating device and a circuit assembly. The circuit assembly includes a circuit interconnection ha...
07/11/2006
6957823Hitch assembly
A hitch assembly including a frame for being attached to a tow vehicle; a cradle assembly pivotally attached to the frame for pivotal fore and aft movement; a hitch receiver mounted to the cradle assembly for being attached to a trailer; a leaf spring mounted to the...
10/25/2005
6851695Base rail kit for motor vehicle
The present invention relates to a base rail kit for a motor vehicle. The base rail kit includes a base rail including first and second mounting flanges, a first bracket including a first base rail support platform and a first mounting lug, a second bracket includin...
02/08/2005
6726179Fifth wheel helper
A fifth wheel helper is adapted to be inserted underneath a fifth wheel hitch plate to hold it in a horizontal position so that the truck can be pulled forward after the king pin of the trailer has been trapped behind the fifth wheel. The fifth wheel helper comprise...
04/27/2004
6641161Apparatus and method for leveling a trailer bed
A leveling system for a load hauling trailer which will improve the stability of a payload having a high center of gravity, thereby allowing loads, which would otherwise not be transportable, to be moved over roadways. The leveling system includes a base ...
11/04/2003
6554310Fifth wheel with rotatable bearing plate
A fifth wheel for coupling a tractor to a trailer carrying a kingpin. The fifth wheel comprises a mounting structure adapted to be mounted to the tractor and a fifth wheel plate mounted to the mounting structure and a top bearing surface rotateable relati...
04/29/2003
6510396Symmetry compensation for encoder pulse width variation
A method of compensating for errors in the measurement of the kinematic properties of an electric power steering motor for an automobile is disclosed. The method comprises generating a set of M-ary signals; measuring the pulse width of the set of M-ary si...
01/21/2003
6371505Double gooseneck trailer
A double gooseneck trailer for hauling large, heavy loads wherein there is provided: a jeep having a connector for connecting the jeep to a hitch on a tractor and a first hitch; a dolly having a second hitch and a plurality of axles; and a load unit havin...
04/16/2002
6170682Under-frame structure
The car under-frame of the invention comprises a planar coupling member 2 projecting from a first car C toward a second car B, a bearing inner ring 3 positioned on the upper side of planar coupling member 2 and secured rigidly thereto, a bearing outer rin...
01/09/2001
5797615Heavy equipment trailer with adjustable tower
Heavy equipment trailer having a main deck with a rear gooseneck which is connected to a turntable mounted on a lifting tower carried by a dolly positioned to the rear of the deck. The lifting tower is mounted in a box which is suspended between the side ...
08/25/1998
5503421Clutch and control mechanism for fifth wheel
A rotatable fifth wheel mechanism for use on converter dollies, truck tractors, and permanently attached dollies. The mechanism includes: a fifth wheel supported on a frame for rotation about a vertical axis; and a clutch secured between the fifth wheel a...
04/02/1996
5411281Fifth wheel construction having rotatable bearing plate
A fifth wheel assembly for coupling a tractor to a trailer wherein the assembly includes a housing and a fixed plate which is secured to the trailer unit, and a king pin assembly having a body portion rotatably mounted within the housing, a plate member r...
05/02/1995
5207444Turntable for steerable trailers
A steering turntable for the front wheel assembly of trailers and the like is formed of first and second turntable ring members each having cooperating projecting circular wall sections configured to interconnect with each other to prevent separation of t...
05/04/1993
5173028Semitrailer
The invention relates to a semitrailer (1) comprising devices (6) for shifting a load, such as a container (9), to the support of the trailer (1) and away from the support thereof; as well as devices (3) for shifting the bogie (2) in the lengthwise direct...
12/22/1992
5165714Tractor fifth wheel with bearing plate lubricating liner
A fifth wheel assembly for tractors or other draft arrangement has a bearing plate with a lubricating plate, a peripheral wall with diametrically opposed notches extending above the bearing plate surface and a nonmetallic lubricating wear liner with diame...
11/24/1992
5135248System for limiting relative angular movement between the tractor and semi-trailer
A system and method for blocking a relative angular movement between a semi-trailer and a traction vehicle so as to limit the angular movement to a predetermined angle. A lock of a locking system in a guide plate is inserted in a central angle of a fifth ...
08/04/1992
5066035Trailer bearing plate for fifth wheel
An assembly for coupling a tractor to a trailer comprising a fifth wheel bearing plate and a trailer bearing plate assembly. The trailer bearing plate assembly includes a ring having a collar and is adapted to securely attach to an underside of the traile...
11/19/1991
5060964Fifth wheel
An improved fifth wheel incorporates a junction fitting for pneumatic, hydraulic and electrical control lines which mates the truck to the tractor simultaneously with the connection performed by the fifth wheel. The deck plate is pivoted about a vertical ...
10/29/1991
5059083Camelback pallet trailer
A tractor trailer is disclosed herein as including linkage structure for the tractor and the rear wheel chassis which are arranged to connect to a trailer bed in the form of a pallet. The pallet is constructed to sit upon the ground at a low height relati...
10/22/1991
4773336Railroad bogie for removably supporting coupled semi-trailers
A road/rail transport system is described and comprises rail bogies of the kind having two axles and a central bogie bolster arranged between the axles and transverse to the intended direction of travel and semi-trailers which are preferably of the kind h...
09/27/1988
4671527Fifth wheel
A fifth wheel assembly (10) comprising a lower support structure (12) adapted to be mounted on the chassis of a prime mover and an upper support plate (13) upon which a trailer is to be supported, and between which a cam operated linkage mechanism is inco...
06/09/1987
4667976Truck coupling arrangement
A truck coupling arrangement which couples the front of a trailer to the rear of a tractor for movement about a pivot axis locates the pivot axis back toward the rear of the tractor while at the same time maintaining the weight of the trailer and the resu...
05/26/1987
4260173Liquid fifth wheel assembly including dual concentric piping structure
The present invention pertains to a liquid fifth wheel assembly for use with tractor and trailer combinations wherein the trailer includes a tank body for the storage and transportation of fluids, and the tractor includes a pumping station adapted to deli...
04/07/1981
 
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