Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| RE42036 | Combine with powered and steerable grain trailer A powered towing vehicle having steering wheels and a wheeled trailer is connected to the vehicle for its towing. The wheels of the trailer are connected to a source of power for generating forward and rearward movement of the trailer. These wheels also are connecte... | 01/18/2011 |
| 7354222 | Belted asphalt compactor A belted asphalt compactor and method are provided. The compactor includes a first unit with a roller frame. A second unit is coupled to the first unit, and is generally identical thereto. At least one mid roller and two end rollers are mounted in the roller frames,... | 04/08/2008 |
| 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 |
| 7334645 | Articulated power transfer apparatus A hitch apparatus for connection between a tractor and a trailing implement such as a cutter includes a hitch arm at one end of the apparatus extending forwardly and pivotal so as to extend either inwardly or outwardly thus offsetting the apparatus across the rear o... | 02/26/2008 |
| 7243747 | Trailer provided with manoeuvring device A trailer provided with a manoeuvring device. The manoeuvring device has a pivoting frame that can be moved with respect to the chassis of a trailer, such as a caravan, and is provided at the end with a roller driven by an electric motor. This roller does not engage... | 07/17/2007 |
| 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 |
| 7204341 | Vehicle, method and steering system for vehicle A vehicle, method and steering system for a vehicle in which the steering system includes a stub axle articulated on a king pin. The king pin is configured to be fixed to an element spring suspension-mounted in the vehicle. The steering system includes at least one ... | 04/17/2007 |
| 7174652 | Performing measurement or calibration on positioning machines A machine having a pair of spaced structures, a plurality of ball and socket joints spaced apart on each structure, and six struts interconnecting the structures. Each strut engages with a respective ball and socket joint on each of the structures, and defines a var... | 02/13/2007 |
| 7159889 | Articulated liquid manure spreader A liquid manure spreader is described which comprises a frame having a plurality of frame portions and having articulation means between each frame portion for permitting relative movement of each frame portion in response to directional changes of the liquid manure... | 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 |
| 7017934 | Tractor dolly A portable dolly for use in towing a tractor including at least one wheel for moving the dolly, a king pin configured for placement in a mating engagement with a fifth wheel on the tractor, and a plurality of chains for connecting the dolly to the tractor, wherein t... | 03/28/2006 |
| 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 |
| 6956468 | Sensing mechanism for hitch articulation angle The invention describes a sensor mechanism for measuring hitch articulation angle. A configuration of the contact face between hitch ball and receiver eliminates the effect of the unwanted trailer motions, such as roll and pitch while accurately registering trailer ... | 10/18/2005 |
| 6910845 | Grain handling assembly for combine with powered and steerable grain trailer An improved combination of a powered combine carrying a combine grain bin for housing harvested grain and a towed grain cart carrying a grain cart bin for housing harvested grain includes improved harvested grain transfer between the combine grain bin and the grain ... | 06/28/2005 |
| 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 |
| 6806809 | Trailer tongue length estimation using a hitch angle 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 a coordinated rear wheel steering associated with the vehicle. The control signal system employs an algorithm that calcu... | 10/19/2004 |
| 6655710 | System for detecting trailer instability A vehicle steering mechanism to compensate for instabilities including a vehicle frame, a front axle coupled to the vehicle frame, the front axle further coupled to two front wheels, a rear axle coupled to the vehicle frame, the rear axle further coupled ... | 12/02/2003 |
| 6526842 | Shifting apparatus for a vehicle transmission It is an object of the present invention to provide a shifting apparatus for a vehicle transmission which can easily adjust the initial load and the following shock load over a predetermined stroke with keeping the static strength of the shock absorbing m... | 03/04/2003 |
| 6494476 | Robotic vehicle that tracks the path of a lead vehicle A method and apparatus for controlling the steering of a trailing section of a multi-sectioned vehicle is described. The trailing section follows the path of the first section. Data is acquired by a controller from sensors on the various sections. The con... | 12/17/2002 |
| 6464427 | Road roller comprising at least one roller-wheel unit The invention relates to a compactor comprising at least one drum unit (14, 15) in which a cylindrical drum (21) is rotationally mounted about its axle (40), the at least one drum unit (14, 15) being rotationally mounted about a steering axis (18) on a ch... | 10/15/2002 |
| 6431576 | System for steering towed implement in response to, or independently of, steering of towing vehicle A steering system for a towed implement includes a first double-acting hydraulic actuator that is coupled between the towing vehicle and the towed implement such as that turning the towing vehicle relative to the towed implement results in fluid being for... | 08/13/2002 |
| 6308976 | Steerable trailers A multiple axle trailer is disclosed consisting of a main chassis articulated to a tractor unit and a sub-chassis relative to which the main chassis rotates on a turntable. The sub-chassis has a pair of forward wheel (3) and pair of rear wheels (4), each ... | 10/30/2001 |
| 6193257 | Steering system for a multiple vehicle train A steering system for a multiple vehicle train that is pulled by a prime mover. A series of connected adjacent leading and trailing vehicles each have a single axle mounted under a rear body portion and are equipped with a triangular linkage. The linkage ... | 02/27/2001 |
| 6179315 | Steerable machinery trailer A steerable machinery trailer (1) has a chassis (2, 33, 35, 36) intermediate a pivotal towing attachment (26, 29, 30, 46) and trailer wheels (3) proximate a rear portion of the chassis. The trailer wheels have pivotal attachment to the trailer and are piv... | 01/30/2001 |
| 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 |
| 6135484 | Tow bar construction for transport vehicles and transport vehicle combinations, and a transport vehicle combination The invention relates to transport vehicles and combinations thereof and their tow bar constructions comprising a tow bar journalled to the front of the chassis rotatably relative to a vertical and a horizontal axle, and structure for turning the axle. Th... | 10/24/2000 |
| 6044633 | Control apparatus for rotatable gearbox on crop harvester A crop harvester having a wheeled frame with a tongue pivotally connected to the frame in the vicinity of a longitudinal centerline. The tongue, rotatable about a first generally vertical pivot axis, is swingable between extreme left and right positions o... | 04/04/2000 |
| 5904365 | Combine with powered and steerable grain trailer A powered towing vehicle having steering wheels and a wheeled trailer is connected to the vehicle for its towing. The wheels of the trailer are connected to a source of power for generating forward and rearward movement of the trailer. These wheels also a... | 05/18/1999 |
| 5873431 | Articulated vehicle An articulated vehicle comprising a first vehicle portion attached to a second vehicle portion by a joint assembly. The joint assembly preferably comprises a bearing assembly that is pivotally attached to the first vehicle portion such that the bearing as... | 02/23/1999 |
| 5531468 | Trailer articulation device An articulated trailer utilizing two pivot points and an angular transfer system to control the radial movement of the front axle during turning is disclosed. The articulated trailer comprises an elongated carriage having two spaced-part, wheeled axles. T... | 07/02/1996 |
| 5112073 | Steering system for load supporting dolly A steerable, load-supporting dolly is provided wherein the dolly is self-steerable in response to the loading thereon. Controllable responsiveness of the steering is provided by at least one king-pin, the castor of which may be selectively varied.... | 05/12/1992 |
| 5067741 | Devices using a dolly for reinforcing the loading capacity of tractor vehicles The invention relates to the control of the steering of the wheels of a dolly interposed between a tractor and a semi-trailer. The bars controlling the steering of the wheels of the dolly are actuated by a power system controlled from a pilot stage detect... | 11/26/1991 |
| 4986596 | Baggage cart body A baggage cart intended to be selectively coupled to other carts to form a train of carts comprises a body and an undercarriage supporting the body. The body includes a double-walled plastic floor, a double-walled plastic roof, and a pair of double-walled... | 01/22/1991 |
| 4955630 | Fifth wheel activated trailer steering Steering mechanism for trailer wheels is provided with a slide having a tongue selectively engaged with and retracted from the fifth wheel of a tractor. When the tongue is engaged with the fifth wheel, any pivoting of the fifth wheel about the kingpin con... | 09/11/1990 |
| 4949986 | Body and undercarriage for interconnectable baggage carts A baggage cart intended to be selectively coupled to other carts to form a train of carts comprises a body and an undercarriage supporting the body. The body includes a double-walled plastic floor, a double-walled plastic roof, and a pair of double-walled... | 08/21/1990 |
| 4943078 | Heavy duty transport vehicle A heavy load hauler for travelling on conventional road ways to move, for example heavy construction equipment such as cranes or the like from one work site to another. The hauler includes a front tractor drawn carriage, a rear carriage and a load unit di... | 07/24/1990 |
| 4848499 | Servo-control device for steering an articulated vehicle A servo-control device for steering an articulated vehicle comprising four analog detectors (30, 31, 32, 33, 34) respectively connected to control amplifiers (30', 31', 32', 33') whose outputs are connected to the inputs (30", 31", 32", 33") of a multiple... | 07/18/1989 |
| 4723887 | Load carrying and tipping vehicle A load carrying and tipping vehicle (11) adapted to be coupled to a power-operable vertically movable part (15) of a motor vehicle (13) such as a front end loader in which case the bucket of the front end loader constitutes the vertically movable part. Th... | 02/09/1988 |
| 4720119 | Steering system for a four-wheeled trailer A four-wheeled freight trailer adapted particularly to farm use has its front axle beam fixed with respect to the frame of the trailer, and has steerable wheels at the opposite ends of this beam. The tongue of the trailer is fixed with respect to the fram... | 01/19/1988 |
| 4468047 | Steering assembly for towed vehicles A towable wheeled undercarriage for carrying and supporting heavy loads and more particularly a carriage for supporting a crane of heavy duty or high capacity type. The carriage or carrier has a plurality of front and rear wheeled units independently moun... | 08/28/1984 |