Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8087481 | Dual lever steering controls with control stops Dual lever steering controls with control stops are provided for a zero turning radius mower. Each control arm is mounted to a neutral position lever that is pivotable between a full forward drive position and a full reverse drive position. Each control stop is moun... | 01/03/2012 |
| 8011458 | Steering and driving systems and related vehicles A ZTR vehicle includes true or proper ZTR steering in the forward and reverse directions. The vehicle has independently driven locomotive drives that drive the wheels to provide mobility and steering to the vehicle. A steering wheel is included that pivots one of tw... | 09/06/2011 |
| 7954573 | Drive-steering control system and vehicles equipped therewith A drive-steering control system suitable for off-road land and amphibious vehicles. The system includes first and second steering input levers, each operable to rotate in forward and rearward pivotal directions. A coupling mechanism converts and transmits rotation o... | 06/07/2011 |
| 7857079 | Multi-wheel vehicle A vehicle comprises a steering operation device, a pair of running-driving wheels, which differentially drive when the steering operation device is manipulated, a pair of steerable running wheels interlocking with the steering operation device, and a steering mechan... | 12/28/2010 |
| 7849941 | Universal linkage assembly for a power machine A universal linkage assembly for a power machine is disclosed. The universal linkage is adaptable for different control configurations or patterns. For example, in embodiments disclosed, the linkage assembly includes a first control interface connectable to one of a... | 12/14/2010 |
| 7789173 | Hydraulically driven vehicle A hydraulically driven vehicle is disclosed which is moved or turned by driving left and right hydraulic transmissions with one engine and driving left and right drive wheels with these hydraulic transmissions. The vehicle includes a gear-shifting mechanism for conv... | 09/07/2010 |
| 7588103 | Hydrostatic transaxle and hydraulically driven vehicle A hydrostatic transaxle, comprises: a transaxle casing; a pair of left and right axles disposed in the transaxle casing; a pair of hydraulic motors for driving the respective axles; and a pair of left and right steerable drive wheels disposed on left and right outsi... | 09/15/2009 |
| 7493975 | Multi-wheel vehicle A vehicle comprises a steering operation device, a pair of running-driving wheels, which differentially drive when the steering operation device is manipulated, a pair of steerable running wheels interlocking with the steering operation device, and a steering mechan... | 02/24/2009 |
| 7458432 | Dual lever steering control mechanism A dual lever steering control mechanism for a mounting a control lever or stick to a mower is disclosed. The mechanism includes a housing with an opening, a forward/reverse lever insertable through the opening and pivoting on a first axis, and a neutral position lev... | 12/02/2008 |
| 7434637 | Working-machine steering apparatus Working-machine steering apparatus includes an assist mechanism for reducing a force necessary for operating any one of left and right operating members. First and second cord members, connected to the left and right operating members, are wound on first and second ... | 10/14/2008 |
| 7407023 | Steering apparatus for working machine An assist mechanism of a steering apparatus for a working machine includes right and left operational arm members for selectively engaging and disengaging right and left clutches. Right and left cam grooves are formed in the right and left operational arm members, r... | 08/05/2008 |
| 7392867 | Crawler tractor A crawler tractor comprises steering mechanisms (44) (45) for rotating a machine body by causing right and left crawler belts (9) to move differentially. The tractor is characterized in that the steering mechanism (44) is connected to a d... | 07/01/2008 |
| 7347293 | Work vehicle A working vehicle such as a mobile agricultural machine is designed such that it has an improved working efficiency if any spinning turn is not required, and has an improved running property in a wet farm. The vehicle has a pair of right and left crawlers (2)... | 03/25/2008 |
| 7328758 | Self-propelled vehicle particularly for making turns with tight turning radii A self-propelled vehicle particularly for making turns with tight turning radii, comprising a chassis provided with two driving wheels forming at least one driving portion, and which supports a motor kinematically connected to a motion distribution shaft. A function... | 02/12/2008 |
| 7316288 | All terrain vehicle with multiple steering modes Methods and apparatus for steering a vehicle are disclosed. A vehicle in accordance with an exemplary embodiment of the present invention is capable of operating in a first steering mode and a second steering mode. The vehicle may comprise an input device capable of... | 01/08/2008 |
| 7314110 | Hydraulic drive vehicle A hydraulic driving vehicle comprises front and rear transaxles incorporating respective hydraulic motors, and a pump unit separated from the front and rear transaxles. The pump unit incorporates a hydraulic pump having a pump shaft. A hydraulic circuit is formed by... | 01/01/2008 |
| 7255193 | Speed equalizing linkage design for dual hydrostatic transmissions An HST propel system includes first and second pumps having displacements variable in response to movement of first (31) and second (33) control shafts, respectively; and a linkage arrangement for moving the control shafts in unison in response to move... | 08/14/2007 |
| 7237629 | Zero-turn radius vehicle with steerable front wheels The present invention relates to a zero turning radius vehicle having at least one steerable front wheel and a multistage steering input system separately capable of steering the at least one front wheel and selectively driving the drive wheels. A front wheel steeri... | 07/03/2007 |
| 7207581 | Adjustable hydrostatic control system An adjustable hydrostatic control system that adjusts in length to locate mutual neutral locations while transmitting the necessary torque through mating sliding spines. ... | 04/24/2007 |
| 7178613 | Vehicle operating apparatus A vehicle operating apparatus which accelerates, decelerates and steers a vehicle in accordance with the operation of the operating lever is provided with a reaction force generating means which generates a reaction force opposing the operating lever, a current sens... | 02/20/2007 |
| 7152704 | Four-wheel drive work vehicle A four-wheel drive work vehicle includes an engine, a pair of right and left steerable wheels rotatably driven by receiving power from the engine via a differential mechanism, a pair of right and left non-steerable wheels rotatably driven by receiving power from the... | 12/26/2006 |
| 7108096 | Vehicle control system with slow-in-turn capabilities and related method A control system with slow-in-turn capabilities for use with a self-propelled, steerable vehicle, such as a lawn mower, is disclosed. In one embodiment, the system slows the vehicle speed when turns are made beyond a predetermined range and the speed is at or above ... | 09/19/2006 |
| 7073822 | Flexible cable lever arm steering system apparatus and method A steering suspension system utilizing a flexible push/pull cable attached from an operator input mechanism across a suspension system to a wheel steering mechanism. An operator input mechanism is located within a land vehicle structure supported by a wheel. A suspe... | 07/11/2006 |
| 7059433 | Riding lawn mower A transmission for speed changing and steering of a vehicle comprises a first HST and a first differential for speed changing and a second HST and a second differential for steering. The first HST is a combination of a hydraulic pump and motor. The pump is driven by... | 06/13/2006 |
| 7044259 | Hydraulic transmission for driving and steering wheels In a hydraulic transmission for driving and steering wheels of a vehicle, which has at least a first pair of laterally disposed wheels, a first hydraulic pump is operatively connected to a driving source with inlet/outlet ports respectively and fluidly connected to ... | 05/16/2006 |
| 7036623 | Control configuration for a utility vehicle having, e.g., an extendable utility boom In preferred embodiments, a utility vehicle (such as, e.g., a skid steer vehicle) has a multitude of potential control-to-function configurations (in some preferred embodiments, enabling about sixteen or more configurations). The control-to-function configurations c... | 05/02/2006 |
| 7006901 | Computerized automated dynamic control system for single-track vehicles Various methods, apparatuses, and systems in which a single-track vehicle has a retractable auxiliary-support wheel assembly and a computer control system. In an embodiment, the single-track vehicle has an elongated body. The retractable auxiliary-support wheel asse... | 02/28/2006 |
| 6997280 | Working vehicle propelled by independently driven right and left running units A working vehicle propelled by independently driven right and left running units comprising a body frame with an engine mounted thereon; a front wheel unit for supporting the body frame in cooperation with the right and left running units; a left HST for receiving t... | 02/14/2006 |
| 6993906 | Hydraulic drive apparatus A hydrostatic drive device comprising a hydrostatic transmission mounted in a housing and a single output shaft driven by the hydrostatic transmission and extending out of the housing. The hydrostatic transmission has a center section mounted entirely within the hou... | 02/07/2006 |
| 6971469 | Self-propelled working vehicle A self-propelled working vehicle comprises a front wheel unit, a rear wheel unit including a left rear wheel and a right rear wheel, and a drive transmission apparatus for transmitting drive from an engine to the rear wheel unit. The drive transmission apparatus inc... | 12/06/2005 |
| 6962219 | Mechanical ZTR system with steering wheel A ZTR vehicle includes true or proper ZTR steering in the forward and reverse directions. The vehicle has independently driven locomotive drives that drive the wheels to provide mobility and steering to the vehicle. A steering wheel is included that pivots one of tw... | 11/08/2005 |
| 6935445 | Back-up steering system for track laying vehicles A back-up steering system is provided having a hydraulic pump, an accumulator, a mode control valve, a main solenoid valve, and a pair of back-up solenoid valves. The system is connected, to left and right service brakes. The hydraulic pump and the accumulator are b... | 08/30/2005 |
| 6907949 | Battery powered motor vehicle and method of use A battery powered motor vehicle for transporting a rider in a standing position can be steered by either selective distribution of the riders weight, or alternative by turning a steering console. By attaching a cargo rack, the battery powered motor vehicle can be co... | 06/21/2005 |
| 6904985 | Transmission control device for vehicles and steering assembly for vehicles A transmission control device which receives steering inputs and speed inputs, and produces an input for a steer transmission and an input for a drive transmission in order to control the direction and speed of a vehicle. The transmission control device, coupled to ... | 06/14/2005 |
| RE38632 | Propulsion control apparatus and method for a paver An apparatus is disclosed for controlling the propulsion and steering of a machine. The machine includes a hydrostatic system that drives a pair of ground engaging traction devices. An electronic controller receives operator signals indicative of a desired travel sp... | 10/19/2004 |
| 6672411 | Control mechanism for a zero turning radius vehicle A control mechanism for a dual transmission vehicle is disclosed. First and second overlaying plates are provided, the first plate having a profiled slot which communicates with parallel slots in the second plate. The slots in the first and second plates ... | 01/06/2004 |
| 6581704 | Steering controls A mechanism for adjusting or setting the effort required to move the steering levers of a vehicle is provided. The mechanism consists of a central mounting plate with which three separate bolt and spring arrangements are connected to control the resistanc... | 06/24/2003 |
| 6325166 | Hydraulic travelling agricultural machine In a hydraulic travelling agricultural machine which includes travelling sections, a pump operating unit is disposed in an operating section for controlling the steering and speed change of the travelling sections. The pump operating unit is connected int... | 12/04/2001 |
| 5931244 | Cable steering system A steering system in an all-terrain four-wheeled vehicle with independent suspension wherein necessary forces for steering control are supplied by cable and pulley actuators with the cable running parallel to the suspension arm between vehicle frame and w... | 08/03/1999 |
| 5787374 | Propulsion control apparatus and method for a paver An apparatus is disclosed for controlling the propulsion and steering of a machine. The machine includes a hydrostatic system that drives a pair of ground engaging traction devices. An electronic controller receives operator signals indicative of a desire... | 07/28/1998 |
