Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7255195 | Steering device for snowmobile An adjustable ski track width mechanism allows adjusting the ski track between a narrow ski track width and a wide ski track width. The adjustable ski track width mechanism includes a steering mechanism that provides correct steering geometry and corresponding steer... | 08/14/2007 |
| 7163227 | Multi-position track width sensor for self-propelled agricultural sprayers A multi-position track width sensor for agricultural sprayers wherein a piston rod position sensor is connected to each of the adjustable axle members of the front and rear axle assemblies of the sprayer. A display panel is mounted in the cab of the sprayer and incl... | 01/16/2007 |
| 7025167 | Shaft to transfer torque in a vehicle One preferred embodiment of the invention is a shaft to transfer torque in a vehicle including a first member having internal splines and a second member having external splines engagable with the internal splines to allow telescopic movement between the first membe... | 04/11/2006 |
| 6902022 | Tractor having a convertible front end and variable track width and related methods A tractor having a front end and a rear end adaptable for a variety of different environments. Methods related to the conversion of the tractor are also disclosed. In one embodiment, the invention includes a front wheel assembly that is removably attached to the fro... | 06/07/2005 |
| 6827176 | Vehicle with offset extendible axles and independent four-wheel steering control A vehicle includes a chassis supporting two front axle assemblies and two rear axle assemblies. Each of the front and rear axle assemblies includes an extendible and retractable axle supporting an independently steerable wheel and a steering mechanism. The axles of ... | 12/07/2004 |
| 6715576 | Mechanical transmission for agricultural vehicles of adjustable track width A mechanical transmission for agricultural vehicles of adjustable track width has gear cases disposed vertically to elevate a chassis height of vehicle above a plantation, rear axles provided for wheels of the machine and mounted to the gear cases, first gears and s... | 04/06/2004 |
| 6641356 | Front lifting equipment for crawler tractor, and crawler tractor equipped therewith A front lifting equipment for an agricultural crawler tractor with considerable offset (D) of the front art relatively to an intermediate girder (1) whereto are fixed the track-layer assemblies (Cg), an axle (4) being provided at the rear. The equipment i... | 11/04/2003 |
| 6550798 | Adjustable axle connector An adjustable axle-frame connector 10 for mounting an axle 40 to the frame 30 of a vehicle. The adjustable axle-frame connector 10 includes an axle mounting plate 12, an axle hold down bracket 20, and a U-bolt 24a. The axle mounting plate 12 with a first ... | 04/22/2003 |
| 6547028 | Axle mounting arrangement The present invention provides an axle mounting arrangement for mounting an axle assembly to the frame of a vehicle. A plurality of attachment structures are provided on the frame, and at least one support structure is provides for coupling the axle assem... | 04/15/2003 |
| 6536550 | Adjustable front axle and brake carrier structure A mounting assembly for adjustably securing an axle and a brake carrier to a front monofork of a motorcycle. The axle is received within an eccentric axle carrier and extends through a lower end of the brake carrier. An opposite end of the brake carrier i... | 03/25/2003 |
| 6474432 | Adjustable front axle and brake carrier structure A mounting assembly for adjustably securing an axle and a brake carrier to a front monofork of a motorcycle. The axle is received within an eccentric axle carrier and extends through a lower end of the brake carrier. An opposite end of the brake carrier i... | 11/05/2002 |
| 6283238 | Motorized golf bag cart A motorized golf bag cart includes a base frame which extends and retracts telescopically to respectively expand or collapse a battery mounting area. A drive motor supported in the base frame is linked to a drive axle which selectively drives a pair of dr... | 09/04/2001 |
| 6199769 | Apparatus and method for operating an adjustable-width axle assembly of a crop sprayer A crop sprayer includes a chassis and a differential assembly secured to the chassis. The crop sprayer also includes a hub assembly having a hub support plate with a wheel hub rotatably secured thereto. The crop sprayer further includes a first telescopin... | 03/13/2001 |
| 6176334 | Adjustable track suspension A track suspension is disclosed including a track, a drive wheel engaged with the track, a wheel support, a drive wheel shaft rotationally engaged with the wheel and a drive wheel shaft support. The wheel support is adjustably securable to the drive wheel... | 01/23/2001 |
| 6145610 | Apparatus for locking the movable parts of a variable gauge For machinery it is often desirable to change the gauge of the track or wheels. Variation of gauge is commonly accomplished by hydraulic cylinders which act through telescopic cross beams (3) to, for example, move tracks (2) of the machinery apart. Appara... | 11/14/2000 |
| 6139045 | Wheel assembly having a mechanism to adjust the distance between the wheels A vehicle having a pair of front wheels coupled to a wheel assembly is provided. The wheel assembly includes a wheel-spacing mechanism, a pair of spaced-apart spindle assemblies, and a steering mechanism. The wheel-spacing mechanism includes a center axle... | 10/31/2000 |
| 6119882 | Self-propelled boom with extendible axles A self-propelled boom vehicle has an extendible axle and an extendible steering mechanism which has an automatic steering synchronization system. The extendible axle has a hollow central support sleeve and telescopic arm sections. A single hydraulic exten... | 09/19/2000 |
| 6079935 | Forklift truck A forklift truck has a frame, a cab including a roof to protect the driver and a lift support structure connected to the frame. A load-carrying fork is mounted on the lift support structure for vertical movement and the lift support structure, the roof an... | 06/27/2000 |
| 5931478 | In-line roller skate with an auxiliary wheel system An in-line roller skate including a sole plate equipped with a line of wheels, and an auxiliary wheel system mounted in the sole plate, wherein the auxiliary wheel system includes two auxiliary wheels, and a control device sliding in a sliding way for con... | 08/03/1999 |
| 5901800 | High clearance tractor An agricultural tractor having a central structure which includes a rotatable cab and a platform on which an engine is slideably mounted and the location of which is hydraulically controlled.... | 05/11/1999 |
| 5879124 | Vehicle with retractible rear wheel assembly A collapsible forklift vehicle has three frame sets, namely a main frame, a pair of front wheel frames which can be retracted into the main frame, and a mast frame which runs partly on the main frame and partly on the front wheel frames. The main frame de... | 03/09/1999 |
| 5777243 | Adjustable vehicle simulator rig for chassis dynamometer testing A vehicle simulator (20) for use in vehicle dynamometer and other types of testing for automotive vehicles. The simulator (20) is made up of a first portion and a second portion detachably connected to the first portion. The first portion preferably is fo... | 07/07/1998 |
| 5722674 | Eccentric axle housing A skidsteer loader having an eccentric axle housing which permits the use of common components to construct skidsteer loaders with different wheel base lengths. The eccentric axle housing is constructed such that when it is mounted to the frame of a skids... | 03/03/1998 |
| 5489113 | Vehicle with hydraulically adjustable tie rod A tie rod assembly for a steering wheel structure for an agricultural vehicle such as a row crop applicator uses hydraulic cylinders to set the track width of the vehicle. The track width may be modulated between a minimum and a maximum track setting and ... | 02/06/1996 |
| 5489114 | Tie rod extendable and retractable telescopic axle assembly A tie rod extendable and retractable telescopic axle assembly wherein a pair of axle beams are slidably mounted in a box beam integral with a vehicle chassis. Steering linkage and associated wheel assemblies are mounted on the outer ends of the axle beams... | 02/06/1996 |
| 5484192 | Mounting of an axle spindle of an agricultural implement A mounting for an axle spindle of an agricultural implement is described which is adjustable between a substantially horizontal travel position and a downwardly inclined field working position. The downwardly inclined position is used in order to enhance ... | 01/16/1996 |
| 5480171 | Slider locking mechanism A locking system for locking a tandem wheel assembly of a wheeled vehicle with respect to longitudinally extending members of a trailer body. The locking system includes a plurality of pins mounted for movement between extended and retracted positions. Th... | 01/02/1996 |
| 5464243 | Adjustable axle with shim structure Adjustable axle or similar telescoping structure includes an outer frame tube of square section which telescopingly receives an inner tube having a top shim-contacting surface, two parallel side surfaces, and a lower wall of inverted V-shaped section defi... | 11/07/1995 |
| 5454583 | Automatically adjusted rear axle track for agricultural vehicle with adjustable axles A rear axle auto-tracking system automatically ensures that the rear axle follows the front axle on an agricultural vehicle having adjustable front and rear track assemblies. With the auto-tracking system energized, the vehicle operator simply adjusts the... | 10/03/1995 |
| 5417539 | Transportation trailer for a modular home unit A trailer for lifting and transporting large loads is constructed of a pair of elongated side trusses, adjustably connected together at their ends by structural frames, and having a plurality of lifter frames rotatably and slidably mounted on the elongate... | 05/23/1995 |
| 5368115 | Undercarriage assembly for a vehicle An undercarriage assembly for a work vehicle includes first and second roller frame assemblies, one on each side of the vehicle, an idler wheel assembly connected to one end of each roller frame assembly, and a drive wheel connected to the opposite end of... | 11/29/1994 |
| 5364113 | Self-steering axle for vehicles A self steering axle system for motor coaches and similar commercial vehicles having a truss which hingedly supports an axle beam for pivotal movement between a normal positive caster angle and a negative caster angle when the vehicle is driven in reverse... | 11/15/1994 |
| 5326128 | Variable-width torsion spring axle A suspension assembly for attaching wheel assemblies to a frame includes a pair of torsion spring subassemblies adjustably interconnected by a center axle tube to form a unitary axle-like assembly whose torsion spring subassemblies can be adjustably fixed... | 07/05/1994 |
| 5293948 | Undercarriage assembly for a vehicle An undercarriage assembly for a work vehicle includes first and second roller frame assemblies, one on each side of the vehicle, an idler wheel assembly connected to one end of each roller frame assembly, and a drive wheel connected to the opposite end of... | 03/15/1994 |
| 5289859 | Variable width stump grinder A narrow profile, variable width stump grinder comprising a stump treatment tool adapted to forcibly grind a stump and a variable width carriage. The carriage comprises a rigid elongated frame and independently driven wheels coupled to the frame by extens... | 03/01/1994 |
| 5282644 | Hydraulically adjustable tie-rod for an agricultural vehicle with an adjustable axle A variable tie-rod assembly for a steering wheel structure of a row crop applicator. The tie-rod assembly can be adjusted and secured in any position between a minimum and maximum track setting. Thus, a selectively variable track width is provided. Toe-in... | 02/01/1994 |
| 5255756 | Caddy with guidance system for agricultural implements A caddy with a guidance system for towing agricultural implements is provided for row crop farming. The caddy converts mounted agricultural implements to pull-type implements, allowing larger implements to be pulled by relatively small tractors. A guidanc... | 10/26/1993 |
| 5236059 | Steering mechanism for tractors or similar vehicles A novel front axle construction for tractors and similar vehicles to provide a short radius turning capacity. The axle is constructed so that it can be extended laterally of the tractor so that steered wheels can be turned more sharply than normal without... | 08/17/1993 |
| 5201378 | Skid steer vehicle A skid steer vehicle comprising a body having a front end and a rear end and ground engageable propulsion wheels disposed on opposite sides of the body, each propulsion wheel being carried on an outer end of a stub axle which is housed, so as to be rotata... | 04/13/1993 |
| 5197786 | Rigid drive axle with cambered wheel hubs A rigid cambered drive axle has a straight rigid housing for the two drive axles and a cambered spindle, integral with the end of the housing, for supporting a wheel hub. A drive in each inside of the housing turns a cambered drive plate through a directi... | 03/30/1993 |
