...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 8051940 | Hydraulic assist wheel end A steerable vehicle knuckle has an inboard portion defining upper and lower arms, with a kingpin between them, and has an outboard portion defining a spindle that cooperates with a fluid driven motor. The arms define a cavity where an axle end portion is pivotally r... | 11/08/2011 |
| 7900735 | Hydrostatic transaxle A hydrostatic transaxle comprises: a motor casing; at least one hydraulic motor disposed in the motor casing; at least one output shaft disposed in the motor casing so as to be driven by the at least one hydraulic motor; and a pair of steerable wheel support units a... | 03/08/2011 |
| 7798274 | Steering system for crane A steering system (10) for a vehicle, such as a gantry crane (12). The gantry crane (12) generally includes a support structure (14) having a first front wheel (32) and a second opposing front wheel (36) connected proximate ... | 09/21/2010 |
| 7743870 | Crane The invention relates to a crane comprising bogie structures (3) in the corners of the crane, a tandem drive wheel and idle wheel (8, 9) arranged in each bogie structure and provided to turn in the bogie structure offset from their vertical axes, and a... | 06/29/2010 |
| 7726431 | Steering drive for a wheel of a ground conveyor with an apparatus for recording the actual angle of the steered wheel Steering drive for a wheel of a ground conveyor with an apparatus for recording the actual angle of the steered wheel, with a steering motor, a steering controller or regulator driven by a steering angle transmitter, the input signal of which is given to the steerin... | 06/01/2010 |
| 7597169 | Wheel module A wheel module is configured for use on a vehicle chassis. A drivable vehicle includes a wheel module operatively connected to a vehicle chassis. The wheel module includes at least one non-rotating structural unit, a rotatable wheel controllably connected to the str... | 10/06/2009 |
| 7588113 | Wheel drive A wheel drive has one first prime mover (1), one brake (19) and one second prime mover (8) which are co-axially disposed. Via a reduction gear (4), the first prime mover (1) drives a drive wheel (7) for the traction gear, th... | 09/15/2009 |
| 7520362 | Steering system for crane A steering system (10) for a vehicle, such as a gantry crane (12). The gantry crane (12) generally includes a support structure (14) having a first front wheel (32) and a second opposing front wheel (36) connected proximate ... | 04/21/2009 |
| 7418328 | Steering logic for self-propelled mower Steering logic for a self-propelled vehicle having a plurality of wheels includes the steps of receiving translational velocity and angular velocity commands, determining the resultant velocity and steer angle of each wheel, and determining the wheel offset correcti... | 08/26/2008 |
| 7353896 | Wheel provided with driving means A traction assembly includes a wheel comprising a wheel shaft and traction means which, when in operation, exert torque on the wheel shaft, wherein the traction ratio, being the arm of the torque divided by the size of the radius of the wheel, is larger than 0.57. | 04/08/2008 |
| 7353904 | Steerable primary axle A steerable primary axle for a fairway mower or other machine includes a pair of motors mounted in fixed positions on opposing ends of an axle. The mechanical drive system includes a pair of input shafts having input bevel gears, a pair of output shafts with output ... | 04/08/2008 |
| 7350605 | In-wheel motor capable of efficiently cooling electric motor and reduction gear An in-wheel motor includes a wheel disc, a wheel hub, a case, a motor, a planetary gear and a shaft. The wheel disc is connected to the wheel hub. The planetary gear is connected to the motor's rotor. The case includes subcases and a diaphragm. One subcase is arrang... | 04/01/2008 |
| 7347433 | Wheel and steering sensor system A steerable element angular sensor system may include a sensor having a sensing axis positioned along an axis of rotation of a knuckle, a connector connecting a yoke and a knuckle of a steering system. The sensor may detect rotation of at least one of the knuckle an... | 03/25/2008 |
| 7347295 | Tire wheel structure A tire wheel structure that avoids the adverse effect of the increase in the unsprung mass associated with the presence of a driving motor at the time of a road surface input to a tire wheel is provided. In the tire wheel structure, the driving motor is disposed nea... | 03/25/2008 |
| 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 |
| 7325643 | Reduction gear device There is provided a reduction gear device applied to a vehicle having a motor unit with a motor shaft for outputting a driving force for driving a driving wheel. The reduction gear device includes an input shaft operatively connected to said motor shaft; a reduction... | 02/05/2008 |
| 7284764 | Sprayer strut suspension A chassis suspension for agricultural equipment, the chassis suspension comprising: an axle having a substantially upright journal adapted for upright axial constraint of an inner journal therein; an inner journal extending into the upright journal, the inner journa... | 10/23/2007 |
| 7281723 | Sprayer strut suspension A chassis suspension for agricultural equipment, the chassis suspension comprising: an axle having a substantially upright journal adapted for upright axial constraint of an inner journal therein; an inner journal extending into the upright journal, the inner journa... | 10/16/2007 |
| 7270204 | Electrically motorized wheel with protective cover An electrically motorized wheel assembly is provided which may be used in automotive vehicles. The wheel assembly is equipped with at least one electric motor having an output shaft located eccentrically from an axle of a wheel. The wheel assembly includes a protect... | 09/18/2007 |
| 7264079 | Steerable rear tractor suspension A steerable rear suspension for a tractor includes a chassis comprising a front end, a rear end, a left side and a right side; an engine mounted on the chassis; a pair of steerable front wheels coupled to the front end, left and right side of the chassis; a left rea... | 09/04/2007 |
| 7245052 | Wheel hub drive A wheel hub drive for a running wheel (10) is described. The drive having a transmission (7), a motor (8) and a brake (11), such that the enveloping circle (9) of the wheel hub drive is determined by the running wheel and the trans... | 07/17/2007 |
| 7231999 | Steerable primary axle A steerable primary axle for a fairway mower or other machine includes a pair of motors mounted in fixed positions on opposing ends of an axle. The mechanical drive system includes a pair of input shafts having input bevel gears, a pair of output shafts with output ... | 06/19/2007 |
| 7213855 | Hearse assembly A hearse assembly includes a support frame that has a substantially rectangular shape and has a forward end and rearward end. A tricycle frame includes a motor and has a back portion and a front portion. The back portion is integrally coupled to the forward end. A s... | 05/08/2007 |
| 7214155 | Electric drive unit for motor vehicles An electric drive unit for a motor vehicle comprises an electric motor having a motor housing, a stator mounted in the motor housing and having coil-wound poles, a rotor arranged internally of the stator with an air gap present between the stator and the rotor, and ... | 05/08/2007 |
| 7201247 | All wheel drive utility vehicle with bogey beam suspension A utility vehicle that has a bogey beam suspension for the front steered wheels is also provided with all wheel drive by mounting a drive shaft within the bogey beam so that power can be furnished to the front axle. For a six wheel vehicle the middle axle is mounted... | 04/10/2007 |
| 7168717 | High clearance vehicle suspension with twin spindles for transferring steering torque An independent strut suspension utilizes upright twin spindles and a spindle cap linked to the spindles that translates vertically along the spindles as the suspension moves over uneven terrain. An upright strut shaft is mounted in a strut journal for axial and rota... | 01/30/2007 |
| 7117962 | Articulated forklift truck An articulated forklift truck for use in narrow aisles comprises a front chassis section (10) having a first pair of ground-engaging wheels (20) and a rear chassis section (12) having a second pair of ground-engaging wheels (22). The fron... | 10/10/2006 |
| 7118119 | Vehicle with electric motors A first link mechanism of a suspension is provided at a rear end portion of a vehicle for connecting a drive wheel to a vehicle body, so that the drive wheel performs vertical movements relative to the vehicle body via the first link mechanism. In addition, a shock ... | 10/10/2006 |
| 7100722 | Wheel assembly including a DC motor mounted within the HUB and drive connected to the wheel A modular, self-driven vehicle wheel assembly including a drive motor carried by the wheel assembly. The assembly includes a hub, a wheel rotatably mounted on the hub, and a planetary speed-reducing unit mounted on the hub and drivingly connected with the wheel. The... | 09/05/2006 |
| 7097184 | Sensor in King-pin King-pin assembly with a sensor (24), the King-pin assembly (5) comprising a Kingpin (12), an axle frame (10), a spindle (14) and a bearing (15) for moveably mounting the spindle (14) to the axle frame (10) usi... | 08/29/2006 |
| 7083014 | Drive device for a machine with a traction drive system and a hydraulic work system A drive device is provided for a machine with a traction drive system and a hydraulic work system. The traction drive system has a drive axle and the hydraulic system has at least one electric motor and at least one pump driven by the electric motor. The electric mo... | 08/01/2006 |
| 7044244 | 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... | 05/16/2006 |
| 6991059 | Steering drive for industrial trucks A steering drive for an industrial truck, comprising a steered wheel which is rotatably supported about a horizontal axis in a bearing component wherein the bearing component is pivotally supported about a vertical axis and has a ring gear, and a steering motor whic... | 01/31/2006 |
| 6974141 | Steering knuckle assembly for steering apparatus in motor vehicle A steering knuckle assembly for a steering apparatus in a motor vehicle has an attachable and separable connector for ball joint connection between a tie rod and a knuckle. Therefore, the tie rod can be more easily separated from the knuckle at improved work efficie... | 12/13/2005 |
| 6959936 | Vehicle suspension system A vehicle suspension system couples an axle to a vehicle frame so that the axle pivots about a first location with respect to the frame when the axle has a first range of articulation. The axle pivots about a second location with respect to the frame extending later... | 11/01/2005 |
| 6951259 | 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... | 10/04/2005 |
| 6947819 | Swivel joint for a work machine A joint for a work machine having a body and a base is provided. A first member is connected to one of the body and the base and a second member is connected to the other of the body and the base. The second member is engaged with the first member to allow the body ... | 09/20/2005 |
| 6942049 | In-wheel motor for electric automobiles The present invention provides an in-wheel motor for an electric vehicle allowing a drive motor to be freely mounted onto a chassis irrespective of the shape, structure, and characteristics of the drive motor as well as allowing free selection of a reduction gear ra... | 09/13/2005 |
| 6942057 | Feel control for active steering A method and apparatus for controlling the feel back torque of a motor provides for receiving a difference between a desired motor position and an actual motor position; filtering the difference into two or more frequency bands; and applying a gain to one or more of... | 09/13/2005 |
| 6913102 | Working vehicle with traversing system A working vehicle with a traversing system wherein a front wheel is installed on a swing member rotatable about a vertical axis relative to a body and including a rotating cylinder for rotating the swing member. The entire part of the front wheel is formed compact i... | 07/05/2005 |