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"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"
The Quarterly Review ; March edition, 1825
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| Number | Title | Issue Date |
| 7775544 | Pin box assembly A pin box assembly comprising a first portion, a second portion, a connective member disposed between the first portion and the second portion, the first portion comprising a torque portion, the torque portion comprising a bar disposed within a tube and at least one... | 08/17/2010 |
| 7740266 | Spring and pendulum system for shock attenuation in trailer hitches A system is described for attenuating intermittent forces at the interconnection between a towing vehicle and a trailer. The system includes a linear rocking member suspended between the towing vehicle and the trailer, a shock absorber between the linear rocking mem... | 06/22/2010 |
| 7380811 | Shock absorbing trailer hitch Shock-absorbing trailer hitches each include a mounting member mountable on a towing vehicle; a hitch member which includes a coupler and which is mountable on a towed vehicle and pivotally mounted on the mounting member; and a shock absorbing mechanism for reacting... | 06/03/2008 |
| 7380810 | Vehicle hitch with multi-directional damping The present invention is directed to an adjustable trailer hitch that provides a suspended connection between a tow vehicle and an attached trailer. The hitch includes a support member that is adapted to be attached to a tow vehicle and a frame having first and seco... | 06/03/2008 |
| 7377536 | Shock absorbing trailer hitch Shock-absorbing trailer hitches each include a mounting member mountable on a towing vehicle; a hitch member which includes a coupler and which is mountable on a towed vehicle and pivotally mounted on the mounting member; and a shock absorbing mechanism for reacting... | 05/27/2008 |
| 7370870 | Device and method for controlling the brake of a walking frame The present invention relates to a device for controlling a brake (11) of a wheeled walking frame (10) provided with a handle (12), including a control device (25) movably connected to the brake (11) via a connector (24) for... | 05/13/2008 |
| 7350799 | 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 ( | 04/01/2008 |
| 7338062 | Swivelling extender tow hitch and method of centering and locking same A tow hitch for a vehicle with adjustments which simplify the coupling process. During coupling a draw bar, slideably positioned in a housing pocket, is afforded continuous adjustment latitude in both a left to right and front to back arc. Even if the vehicles are c... | 03/04/2008 |
| 7328564 | Trailer section pivoting about lateral axis and fore-aft axis relative to mower having vacuum system A vacuum system adapted for mounting to a riding lawn mower. The vacuum system includes a blower section removably mountable to the mower deck of the mower, a unit for delivering power from a drive system on the mower deck to a propeller within the blower section, a... | 02/12/2008 |
| 7255362 | Tiltable trailer hitch A tiltable trailer hitch for assisting in the loading and unloading of a trailer. The hitch includes a shank adapted to be received within a conventional trailer hitch and a ballmount pivotally mounted on the shank. An adjustment bracket is carried by the shank and ... | 08/14/2007 |
| 7222872 | Hitch damping system A hitch damping system for dampening forces transferred between a towed vehicle and a towing vehicle. The hitch damping system includes a first assembly being designed for being operationally coupled to the towed vehicle. A second assembly is designed for being oper... | 05/29/2007 |
| 7152870 | Gooseneck trailer hitch A trailer hitch having an assembly housing that is mounted to the bed of a vehicle, the assembly housing receiving a ball hitch that extends out of the top of the assembly housing, and a torsion bar disposed within the assembly housing to dampen the vibration of the... | 12/26/2006 |
| 7121575 | Motorcycle trailer A motorcycle trailer with an aerodynamic storage compartment and a two-wheel independent suspension. Swing arm suspensions for the wheels include swing arms pivotally mounted to the trailer above the wheel axle, wherein the swing arms are supported by wheel suspensi... | 10/17/2006 |
| 7108272 | Trailer hitch cushioning device and method for using same The present invention includes a base frame or hitch receiver which can be attached to the under surface of a pulling vehicle. A hitch frame is pivotally mounted to the base frame for pivotal movement about a horizontal axis. An air bag is positioned between the bas... | 09/19/2006 |
| 7093845 | Motion absorbing hitch A motion absorbing hitch for dampening forces on a towing vehicle from movement of a trailer assembly towed by the towing vehicle includes a towing attachment assembly coupled to a towing vehicle, a trailer attachment assembly pivotally coupled to the towing attachm... | 08/22/2006 |
| 7044493 | Trailer hitch tow bar assembly The invention is a tow bar assembly used for towing trailers with vehicles. The tow bar assembly is located between the vehicle and the hitch assembly, such as a ball mount hitch assembly. ... | 05/16/2006 |
| 7011328 | Transversely extending pivotal hitch mechanism Apparatus and method for applying temporary raised pavement markers (TRPM) to roadway surfaces comprises a conveyor upon a wheeled vehicle wherein an upstream end portion of the conveyor is able to extend, for example, over the rear bed portion of a roadwork vehicle... | 03/14/2006 |
| 7011329 | Tow bar with torsion spring lift assist and method A tow bar with a torsion spring disposed between the tow bar and a steering arm to urge the tow bar towards an operating position, the torsion spring minimizing the force required by an operator to lift the tow bar. ... | 03/14/2006 |
| 6957825 | Trailer impact suppression apparatus A hitch receiving assembly for connecting a trailer to towing vehicle is disclosed. The hitch receiving assembly includes a first fixed elongate member mountable to a trailer and a second floating hitch receiving member that is separated from the fixed member by a p... | 10/25/2005 |
| 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 |
| 6779808 | Limited articulation trailer and hitch system At least one limited articulating female hitch mechanism and trailer for mounting to a conventional trailer hitch male connection member mounted on a towing vehicle. The hitch mechanisms are pivotal in only the vertical plane. The combination comprises a trailer hav... | 08/24/2004 |
| 6698785 | Trailer impact suppression apparatus A hitch mounting assembly for connecting a vehicle to an object. The hitch includes a first member mountable to the vehicle and a second member for receiving the object that is displaced from the fixed member by a plurality of elongate relevant members.... | 03/02/2004 |
| 6581951 | Motion-dampening fifth-wheel hitch The invention involves a connector apparatus for attaching a trailer to a towing vehicle. The invention has a base structure with a kingpin-receiving plate attached with respect to the top of the base structure and pivotable with respect thereto about a s... | 06/24/2003 |
| 6494478 | Force responsive trailer hitch A trailer hitch apparatus (10) for dampening shocks and surges between a towing vehicle (2) and a trailer (1) is disclosed. The hitch apparatus (10) includes a draw bar (20) for removably coupling to a towing vehicle (2), a hitch ball assembly (16) for co... | 12/17/2002 |
| 6481521 | Under-cart type guided tractor An under-cart type guided tractor comprising a frame provided with a driving unit including driving wheels on the underside thereof, the guided tractor being adapted to travel guided by a guide signal sent out from a guide element, such as a magnetic tape... | 11/19/2002 |
| 5887884 | Trailer hitch apparatus A trailer hitch assembly having a connecting arm disposed within a sleeve and pivotally coupled within the sleeve by a bolt. A tongue at the distal end of the arm rests on one or more air cushions which provide damping or shock absorption to the coupled a... | 03/30/1999 |
| 5851021 | Shock absorbing trailer hitch A hitching device is provided for connecting a trailer to a towing vehicle. The device reduces shocks and vibrations that can be transmitted between the trailer and the towing vehicle. The hitching device mounts on the rear section of the towing vehicle. ... | 12/22/1998 |
| 5630607 | Suspension system for vehicle frame An improved vehicle suspension system compensates for flexure of the frame of the vehicle by permitting the front and rear frame structures to pivot with respect to one another. The pivoting of the front and rear structures is controlled to maintain the s... | 05/20/1997 |
| 5520404 | Trailer hitch A hitch or towing device to connect a trailer having at least two swivelable ground-contacting wheels to an automobile or similar prime mover includes two arms to connect the trailer to the prime mover. The arms are flexible in a vertical direction but ri... | 05/28/1996 |
| 5240273 | Tow bar for a trailer A tow bar for a trailer comprises forward and rear sections which are pivotable relative to one another about a substantially horizontal axis, to reduce the stresses to which the tow bar is subjected when travelling across rough terrain. An axially compre... | 08/31/1993 |
| 5076600 | Bicycle trailer The combination of a bicycle and a trailer therefore is provided including a pivotal coupling between the bicycle and the trailer allowing for relative inclination of the trailer and bicycle about an horizontal axis transverse to the bicycle and turning m... | 12/31/1991 |
| 5062651 | Jogging baby carriage A carriage which can be towed by a person during jogging or walking, and for receiving a child to be taken along during the person'exercise, comprises a foldable frame supported on a pair of rotatably mounted wheels. A tow bar is connected to the frame an... | 11/05/1991 |
| 5011178 | Trailer hitch apparatus An apparatus including a primary support tube mounting a trailer post pivotally thereon. A leaf spring pivotally mounted within the trailer mounting post is directed rearwardly of the primary support tube and mounted to a spring shackle adjacent an upper ... | 04/30/1991 |
| 4811965 | Vehicle hitch A vehicle hitch for automatically connecting a vehicle to a trailer or connecting two vehicles for pushing or pulling one or the other. The hitch includes a coupling member mounted for pivotal movement in generally horizontal and vertical planes and provi... | 03/14/1989 |
| 4792154 | Coupling The invention provides for a trailer coupling which includes one or more torque elements having pads of elastic material interposed between an inner angular member and an outer angular member. The pads of the elastic material permit but resist relative ve... | 12/20/1988 |
| 4773668 | Towing hitch A towing hitch is disclosed which has a housing for receiving a tow bar such that said housing can be pivotally connected to said tow bar. A tongue is coupled to the housing for receiving a towing element. The housing has a pin which project into said tow... | 09/27/1988 |
| 4641852 | Resilient coupling The invention provides for a trailer coupling which includes one or more torque elements having pads of elastic material interposed between an inner angular member and an outer angular member. The pads of elastic material permit but resist relative moveme... | 02/10/1987 |
| 4512593 | Tracking trailer construction A main frame is provided including front and rear end portions and the front end portion includes a pair of laterally spaced apart hitch structures for releasable hitching to a pair of complementary hitch portions carried by the rear of an associated towi... | 04/23/1985 |
| 4422667 | Suspension for a tractor-scraper A suspension for a scraper-tractor. The tractor has an axle housing which is supported on a frame by hydraulic cylinders connected to a hydraulic circuit that includes a gas-filled accumulator to provide cushioning of the frame with respect to the axle ho... | 12/27/1983 |
| 4351542 | Flexible towing hitch A towing hitch having a main frame for attachment to a vehicle, a tongue force transmitting member pivotally coupled to the main frame, and a resilient member supporting said force transmitting member so as to absorb shock forces applied to the last menti... | 09/28/1982 |
