Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 7637512 | Method for improving the turning characteristics of a boom support vehicle and apparatus therefor A boom support vehicle for supporting elongated loads includes a front dolly which is pivotally connected to a rear dolly at an articulation point. The front dolly includes a front self steering castor axle, and a rear conventional axle. This combination of axles re... | 12/29/2009 |
| 7144022 | Tractor suspension system A front suspension for a tractor has an axle that is pivotally coupled to an axle carrier to pivot about a substantially longitudinal axis. The axle carrier, in turn, is pivotally coupled to the chassis of the vehicle to pivot about a generally vertical axis. The fr... | 12/05/2006 |
| 6729647 | Folding steering assemblies for wheeled devices An arrangement is provided for folding and stowing of a steering assembly in combination with virtually any nature of wheeled devices which include at least one “steerable” wheel, so that a more thin, stowed profile is achieved. All components of the steering as... | 05/04/2004 |
| 6371237 | Steering system for variable height agricultural sprayer A steering mechanism for a ride height adjustable vehicle is provided having a leg which is coupled to a wheel and rotatably coupled within a journal. A base plate is secured to the leg and a pair of uprights are secured to the journal. The uprights are s... | 04/16/2002 |
| 6299181 | Vehicle having steerable wheels A log hauler having a wheeled tractor and one or more wheeled log trailers with support wheels which are individually steerable to permit the log hauler to travel in a serpentine manner through a tree harvesting area. The support wheels are vertically adj... | 10/09/2001 |
| 6263990 | Auto-carriage An auto-carriage has a first frame and a second frame pivotally connected to the first frame so that both the front wheels and the rear wheels of the carriage are able to maintain engagement to the ground at all times. Furthermore, a pair of unidirectiona... | 07/24/2001 |
| 6105982 | Children's ride-on vehicle with four-wheel steering A children's ride-on vehicle is provided with a chassis having a seat configured to accommodate a driver. The chassis includes a generally vertical, cylindrical channel extending therethrough. A handlebar is disposed in front of the seat and is operable b... | 08/22/2000 |
| 5476150 | Power-takeoff device for front-mounted implements A power-takeoff apparatus for use on a compact tractor equipped with a compound steering mechanism is disclosed wherein the chassis includes a front chassis member having an opening formed therein to allow the passage of a power-takeoff shaft therethrough... | 12/19/1995 |
| 5447320 | Steering mechanism for compact tractors A compound steering mechanism for improving the turning radius of a compact tractor is disclosed wherein the front axle is pivotally mounted to the tractor chassis by upper and lower pivot joints, the lower pivot joint being transversely swingable relativ... | 09/05/1995 |
| 5447321 | Oscillation stop mechanism for compact tractors An oscillation stop mechanism for use in conjunction with a compound steering mechanism adapted for use on a compact tractor is disclosed wherein an elongated stop link is positioned on opposing sides of the steering axis about which the pivoted axle rota... | 09/05/1995 |
| 5340138 | Oversteer correction for compound steering apparatus A tractor having a steerable axle that pivotally moves laterally in response to a corresponding steering action of the steerable wheels mounted on the steerable axle is disclosed wherein tie rods interconnect a detachable plate carried by the chassis alon... | 08/23/1994 |
| 5322310 | Variable oscillation stops for tractors with compound steering mechanism A tractor having a steerable axle that pivotally moves laterally in response to a corresponding steering action of the steerable wheels mounted on the steerable axle and is also pivotally supported for oscillatory pitching movement about a longitudinal ax... | 06/21/1994 |
| 5322309 | Oscillation stops for tractors with compound steering mechanism A tractor having a steerable axle that pivotally moves laterally in response to a corresponding steering action of the steerable wheels mounted on the steerable axle and is also pivotally supported for oscillatory pitching movement about a longitudinal ax... | 06/21/1994 |
| 5312124 | Steerable axle support linkage A tractor having a steerable axle that pivotally moves laterally in response to a corresponding steering action of the steerable wheels mounted on the steerable axle is disclosed wherein the front of the axle is pivotally supported by a four-bar linkage t... | 05/17/1994 |
| 5312123 | Compound steer conversion apparatus A compound steering lock-out apparatus to be selectively used with a vehicle equipped with a compound steering mechanism in which the front steerable axle is pivotally connected to the vehicle chassis and a pair of tie rods extend between the pivotable wh... | 05/17/1994 |
| 5255931 | Tractor ballast mounted to front axle of compound steering apparatus for tractors A tractor having a front axle that pivotally moves laterally in response to a corresponding steering action of the steerable wheels mounted on the front axle is disclosed wherein the ballast assembly is supported directly by the front axle so as to be lat... | 10/26/1993 |
| 5213353 | Truck trailer steering apparatus An apparatus mounted to a bottom wall of a trailer member mounting the trailer differential housing thereto to permit rotation of the housing to effect four-wheel steering relative to a tractor truck member mounted to the trailer. A mounting plate pivotal... | 05/25/1993 |
| 5129477 | Compound steering apparatus for tractors A steering mechanism for improving the turning radius of a tractor is disclosed wherein the wheels are turned relative to the steering axle simultaneously with a pivotal movement of the steering axle relative to the chassis of the tractor. A connecting li... | 07/14/1992 |
| 5046577 | Steering mechanism for tractors A steering mechanism for improving the turning radius of a tractor is disclosed wherein the wheels are turned relative to the steering axle simultaneously with a pivotal movement of the steering axle relative to the chassis of the tractor. A connecting li... | 09/10/1991 |
| 5029886 | Steering apparatus for baby carriage A baby carriage which can be used not only as a two-wheel-steered baby carriage but also as a four-wheel-steered baby carriage whose front and rear wheels can be swung to steer the carriage. Brackets having slender horizontally extending through-holes, th... | 07/09/1991 |
| 4796907 | Muscle-power-driven vehicle A chain-propelled vehicle is driven forward by pulling a spring-biased lever to which the chain is attached. The vehicle is steered by feet of an operator and has a steering-box geometry which imparts camber to a rear wheel when the vehicle negotiates a t... | 01/10/1989 |
| 4453734 | Steerable wheel suspension assembly A steerable suspension assembly for a vehicle comprising a fluid pressure cylinder adapted to be secured to a rigid frame portion of a vehicle and having a plunger reciprocally mounted therein and projecting downwardly therefrom. The plunger and cylinder ... | 06/12/1984 |
| 4367881 | Vehicle steering system The steering system includes a rotatable steering control member located remotely from a steerable dirigible wheel unit, a drive sprocket mounted for common rotation with the steering control member, a short length of roller or sprocket chain trained abou... | 01/11/1983 |
| 4283074 | Narrow track economy motor vehicle A front wheel drive narrow track passenger and/or cargo vehicle possesses some of the maneuverability of a motorcycle while providing the comparative safety and greater utility of a four wheeled automotive vehicle. Steering and tilting of the vehicle is c... | 08/11/1981 |
| 4279429 | Vehicle with adjustable steering axis angle control A vehicle powered to move about on a front drive wheel and rearward supports, preferably a pair of wheels. The rear wheels are mounted to the frame by a steering control mechanism that facilitates pivotal steering movement of the rear wheels about two axe... | 07/21/1981 |
| 4198072 | Wheeled vehicle A wheeled vehicle powered by its rider to move about on three wheels. It includes a single front wheel and preferably a pair of rear wheels mounted to an elongated frame. The rear wheels are mounted to the frame by a carriage assembly that facilitates piv... | 04/15/1980 |
| 4195858 | Steering linkages and vehicles incorporating them A steering linkage for a pair of wheels with upright pivot axes is comprised of links and pivots. Torque can be applied to each wheel via a pivotal connection to an intermediate link when control links are pivoted about their fixed pivots by a drive appli... | 04/01/1980 |
| 4145064 | Sled-type vehicles Steerable movement over unimproved, grassy or snowy ground is provided by a chassis carrying front and back elliptical wheels, wider than they are high, the front wheel being pivotable in a horizontal plane.... | 03/20/1979 |
