Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 7331749 | Backhoe for all-terrain vehicles A backhoe for quick connection to an end of an all-terrain vehicle (ATV) is described. A quick-connector mechanism is secured to a main mounting frame of the backhoe for securement to attaching components of an ATV. The backhoe has a pair of adjustable telescopic le... | 02/19/2008 |
| RE39477 | Forklift stabilizing apparatus Disclosed herein is a vehicle including a frame, and a stabilizer apparatus including a pressure source, first and second fluid-actuated stabilizer assemblies connected respectively to the front and rear axles shiftably moveable on the frame, one of the first and se... | 01/23/2007 |
| 7111850 | Wheeled vehicle provided with an oscillating axle and a pair of cylinders for blocking the axle A wheeled vehicle including a chassis; an axle coupled to the chassis to oscillate about a longitudinal axis parallel to a direction of advance of the vehicle; a pair of cylinders disposed between the axle and the chassis for blocking oscillation of the axle; and a ... | 09/26/2006 |
| 7073803 | Suspension system, in particular for a working machine A suspension system, in particular for a working machine, such as a tractor or similar device, with a suspension cylinder (10) is subjected to various load pressures (m). The piston slide (12) and rod side (14) of the system may each be connecte... | 07/11/2006 |
| 7055269 | Wheeled vehicle provided with an axle oscillating about a longitudinal axis A wheeled vehicle includes a bottom chassis; a top chassis, which is coupled to the bottom chassis so that it is able to turn about a vertical axis; an operating arm coupled to the top chassis; an axle, which is coupled to the bottom chassis so that it can oscillate... | 06/06/2006 |
| 6851711 | Vehicle having an anti-dive/lockout mechanism A suspension for a vehicle is provided. The suspension includes, for example, a frame and a releasable locking assembly. The releasable locking assembly has, for example, a first assembly movably coupled to the frame, a second assembly movably coupled to the frame, ... | 02/08/2005 |
| 6786509 | Vehicle suspension with a dock height holding device A vehicle suspension assembly includes a height holding device that is at least partially supported within an air spring of the suspension assembly. The height holding device includes a hydraulic ram. A moveable portion of the hydraulic ram moves between a first pos... | 09/07/2004 |
| 6719098 | Stability control apparatus for industrial vehicles An apparatus for restricting pivoting of a pivotal axle in a forklift. The forklift has an axle that is supported pivotally relative to a body frame. A damper is arranged between the body frame and the axle to permit and restrict pivoting of the axle. An electromagn... | 04/13/2004 |
| 6634445 | Skid steer vehicle having suspensions that are locked based on vehicle speed A skid steer vehicle includes a chassis mounted on four sprung suspensions that are controlled by an electronic controller. The controller monitors the speed of the vehicle and locks the suspensions when the vehicle falls below a predetermined speed.... | 10/21/2003 |
| 6619673 | Mechanism for fixing the height of the trailer floor at a plurality of levels by fixing the angular position of a pivoting suspension component A mechanism is disclosed for controlling the vertical position of the transport trailer floor of a heavy trailer bearing vehicle having a pivoting air spring suspension system such that the transport trailer floor maintains a fixed position level to an ad... | 09/16/2003 |
| 6279950 | Axle crutch The invention provides an improved temporary support device for multiple axle trailers with leaf spring suspension regardless of frame design. The device provides emergency towing capabilities to a trailer that would otherwise be immobile due to the failu... | 08/28/2001 |
| 6257597 | Anti-creep device for a trailer with air springs An anti-creep device for a trailer includes a support arm adapted to be mounted to a trailer frame proximate a trailer axle for rotational movement between a retracted position and an extended position. An actuator is associated with the support arm for r... | 07/10/2001 |
| 6206154 | Axle pivoting controller and hydraulic cylinder for industrial vehicles A hydraulic apparatus is used in an industrial vehicle. The apparatus has a hydraulic cylinder interposed between a vehicle frame and an axle swingably coupled to the frame. A passage connects a first chamber with a second chamber defined by a piston in a... | 03/27/2001 |
| 6186488 | Arrangement for blocking a spring in a spring strut An arrangement is provided for blocking a spring in a spring strut of a motor vehicle. A spacer element for transporting a vehicle consists of at least one segment which can be snapped into the spring and is supported by a lower free end on a stationary s... | 02/13/2001 |
| 6179304 | Axle pivot control method and apparatus for industrial vehicle An apparatus for controlling pivoting the rear axle of a forklift. The forklift includes forks, which are lifted and lowered relative to a body frame. A locking mechanism, which includes a hydraulic damper and an electromagnetic valve, locks the rear axle... | 01/30/2001 |
| 6175796 | Apparatus and method for restricting pivoting of industrial vehicles axles A method and apparatus for restricting pivoting of an industrial vehicle axle and maintaining the vehicle stability without sacrificing the vehicle's driving performance. Pivoting of the axle with respect to the vehicle's body is temporarily restricted in... | 01/16/2001 |
| 6131918 | Axle tilt control apparatus for industrial vehicles An improved axle control apparatus for industrial vehicles. A multi-movement hydraulic cylinder is provided at each end of a rear axle to couple the rear axle with a body frame. Each cylinder has a pair of oil chambers, which are defined by a piston. The ... | 10/17/2000 |
| 6126178 | Structure for supporting resistance cylinders An industrial vehicle has a frame and an axle pivotally coupled with the frame by way of a pair of hydraulic cylinders. The cylinders each have a hollow body that defines a hydraulic chamber therein, a piston fitted in the chamber and a piston rod that ha... | 10/03/2000 |
| 6068275 | Structure for mounting dampers on vehicles A structure for mounting a hydraulic damper to a vehicle body is provided. The damper has a first end and a second end. The vehicle includes a vehicle frame that has a first bracket connected to the first end and an axle that has a second bracket connecte... | 05/30/2000 |
| 6007073 | Bush hog tractor balancing device A tractor balancing device capable of providing vertical support to the frame of a side-mounted bush hog. The balancing device consists of an inflatable and deflatable air bag secured between a platform placed above the right, front axle of a bush hog tra... | 12/28/1999 |
| 5813697 | Forklift stabilizing apparatus Disclosed herein is a vehicle including a frame, and a stabilizer apparatus including a pressure source, first and second fluid-actuated stabilizer assemblies connected respectively to the front and rear axles shiftably moveable on the frame, one of the f... | 09/29/1998 |
| 5639119 | Forklift stabilizing apparatus Disclosed herein is a vehicle including a frame, and a stabilizer apparatus including a pressure source, first and second fluid-actuated stabilizer assemblies connected respectively to the front and rear axles shiftably moveable on the frame, one of the f... | 06/17/1997 |
| 5513875 | Lockable suspension system for a work vehicle having a stabilizing link The suspension system according to the present invention is provided with a shock absorbing spring interposed between an axle and a chassis frame and a pair of double acting cylinders provided at a fixed distance apart in the lateral direction of the vehi... | 05/07/1996 |
| 5449194 | Operator controlled vehicle stabilizer An apparatus for stabilizing a material handling vehicle which enables or disables a vehicle's suspension system. Pilot-to-open check valves are mounted on hydraulic cylinders secured between the axle and frame of the vehicle. In a first embodiment, a pne... | 09/12/1995 |
| 5388857 | Operator controlled vehicle stabilizer An apparatus for stabilizing a material handling vehicle which enables or disables a vehicle's suspension system. Pilot-to-open check valves are mounted on hydraulic cylinders secured between the axle and frame of the vehicle. In a first embodiment, a pne... | 02/14/1995 |
| 4763910 | Resiliently mounted, pivotable steering roll, especially for driverless vehicles This device prevents individual components of a load from being thrown off during halting of a conveying vehicle at a high rate of deceleration. A blocking device for the suspension of the caster which instantly assumes a front position as viewed in the d... | 08/16/1988 |
| 4705295 | Material handling vehicle stabilizer Apparatus for stabilizing a material handling vehicle during implement manipulation is provided. Dual hydraulic cylinders are provided on each side of the vehicle intermediate the vehicle's frame and a spring-biased solid axle. A lockout valve having a pn... | 11/10/1987 |
| 4552501 | Big bale handling system A machine for lifting, rotating and transporting crops in the form of bales. The machine includes a motorized chassis with a cab for an operator. A tilt table is located on the back of the chassis for holding and unloading the bales. A boom is positioned ... | 11/12/1985 |
| 4552238 | Tractor scraper hitch steering and suspension system A tractor scraper hitch steering and suspension system wherein a tractor drive wheel axle frame is pivotally connected to a tractor main frame to permit vertical movement of the tractor drive wheels relative to the tractor. Two hydraulic cylinders are piv... | 11/12/1985 |
| 4544134 | Tool for torsion bar removal A tool particularly useful for facilitating the removal of a torsion bar employed as a spring element, particularly in automobiles such as the familiar Volkswagon rear-engine models. The torsion bar exerts a normal torque holding a spline-connected cantil... | 10/01/1985 |
| 4502391 | Railway track working machine equipped with a device for blocking the suspension of its axles A railway track working machine is equipped with a device for blocking the suspension of its axles, which device comprises, for each axle box a movable support sliding in a vertical guide fixed to the machine chassis and vertically displaced by a rod of a... | 03/05/1985 |
| 4441736 | Device for reducing wear in vehicle suspension systems A pair of relatively adjustable elongate struts adapted to be inserted between a part of a motorcycle chassis and a supporting wheel to block flexing of the motorcycle suspension system when the motorcycle is being hauled on a carrier over rough terrain o... | 04/10/1984 |
| 4264014 | Lock out means for pivotal axle suspension cylinders A crane comprises a lower frame having an upper frame rotatably mounted thereon. A pair of rear roadwheels are rotatably mounted on either end of an axle housing pivotally mounted on the lower frame and suspended thereunder by a pair of laterally spaced s... | 04/28/1981 |
| 4174854 | Building and constructional machines or vehicles The running gear of a construction vehicle or the like is provided with a resilient suspension adapted to be effective in transport operations and ineffective in working operations.... | 11/20/1979 |
| 4015862 | Shock absorber lock Automobile shock absorber is locked by this structure which includes a yoke clamped on the larger upper shell of the shock absorber and a collar pivoted thereon and embracing the lower piston shell. When solenoid tilts the collar, it locks the shock absor... | 04/05/1977 |
