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| Number | Title | Issue Date |
| 8096386 | Actively regulated electromechanical controller for fork lift truck The invention relates to a method for controlling the load-handling elements of a fork-lift truck, the load-handling elements being used in the method to grip the load to be handled. The load-handling elements are operated using an electrically controlled operating ... | 01/17/2012 |
| 7992686 | Pallet counter for lift truck A method for counting the pallets or loads moved by a lift truck using internal sensors is disclosed. The lift truck includes a weight sensor for weighing a load, a height sensor, for measuring a height of the forks, and a distance sensor for determining whether the... | 08/09/2011 |
| 7784587 | Controller combination for a vehicle lift A control system for a vehicle lift apparatus is provided, having an infrared wireless controller and a wired controller for operating the lift. The wired controller includes an infrared sensor for receipt of the signals from the wireless controller. The wired contr... | 08/31/2010 |
| 7770696 | Energy recovering system of hydraulic lift device for battery operated industrial trucks An energy recovering system of a hydraulic lift device for a battery operated industrial truck. With the system, working oil can be supplied to other hydraulic actuators while energy recovering operation is performed by the hydraulic lift device, and energy recoveri... | 08/10/2010 |
| 7770697 | Energy recovering method and system in hydraulic lift device of battery operated industrial trucks An energy recovering system in a hydraulic lift device of a battery operated industrial truck. With the system, working oil can be supplied to other hydraulic actuators while energy recovering operation is performed by the hydraulic lift device, occurrence of pressu... | 08/10/2010 |
| 7600612 | Hydraulic system for an industrial vehicle An industrial vehicle including a lifting device, a hydraulic system having two or more pump motors that provide hydraulic flow to the lifting device, a load-handling device, and a second hydraulic system fluidly coupled to the main hydraulic system. The hydraulic s... | 10/13/2009 |
| 7366600 | Distributed control system for forklift A distributed control system including a plurality of controllers mounted on a forklift, and a network providing connections between or among the plurality of controllers within the forklift. A first controller out of the plurality of controllers is configured to co... | 04/29/2008 |
| 7328762 | Electric vehicle An electric vehicle has traveling units, first and second electric motors for driving the respective traveling units, a speed adjusting lever for adjusting a speed of the traveling units, a speed adjustment mechanism for generating a speed adjusting signal in respon... | 02/12/2008 |
| 7320385 | Camera lifting apparatus and cargo handling operation aiding apparatus in industrial vehicle and industrial vehicle A camera lifting apparatus is used in an industrial vehicle equipped with a cargo handling apparatus for lifting a cargo carrying carriage up and down along a mast provided on a vehicle body. The carriage has a cargo carrying apparatus. The camera lifting apparatus ... | 01/22/2008 |
| 7287625 | Forklift safety sensor and control system A forklift safety sensor and control system for preventing unsafe wear on the bottom surface of the fork. A fork height sensor detects when the fork is below a predefined threshold height at which the bottom surface is in close proximity to the ground or is in conta... | 10/30/2007 |
| 7275794 | Braking system for a battery powered industrial truck A braking system for battery-powered industrial trucks, comprising a three-phase driving motor which drives a driving wheel, a first braking device associated with the driving wheel, a brake pedal with which a braking signal generator is associated to generate an el... | 10/02/2007 |
| 7274970 | Device for aiding stacking and unstacking for a stacker truck Device for aiding stacking and unstacking for a stacker truck, with the following features: a height measuring device which measures the height of a forklift of the stacker truck, a video camera which is associated with the forklift, a control device for the actuati... | 09/25/2007 |
| 7255525 | Online, safe service technique for automated libraries A safety system for online servicing of a media library is provided, wherein the library comprises a plurality of media storage cells and at least one media picker robot that moves along the media storage cells, and wherein the library is contained within an enclosu... | 08/14/2007 |
| 7255202 | Truck mounted forklift with double-acting freelift mast A forklift truck for mounting on the rear of a carrying vehicle comprises a u-shaped chassis having a crossbar and a pair of side bars mounted at the ends of the crossbar and projecting forwardly therefrom. A wheel is located adjacent the free end of each of the sid... | 08/14/2007 |
| 7246684 | Boom lift vehicle and method of controlling boom angles A boom lift vehicle includes a tower boom pivotally coupled at one end to a vehicle base for tower lift function and rotatable relative to the vehicle base for swing function. A main boom is pivotally coupled to an opposite end of the tower boom for main lift functi... | 07/24/2007 |
| 7219769 | Industrial vehicle equipped with load handling operation control apparatus A load handling operation control apparatus for an industrial vehicle, which has a load carrying apparatus provided movably on a vehicle body, is provided. A load carrying apparatus 2 is positioned with a load handling target 41, 42 according to its mo... | 05/22/2007 |
| 7185742 | Drive axle with integrated electric motor for a hydraulic pump The invention relates to a drive axle (A) for a self-propelled work machine, in particular an industrial truck, in which two traction motors (EF1, EF2) spaced apart from each other and an electric motor (E1) arranged axially in between them and ... | 03/06/2007 |
| 7172050 | Arrangement of operating portions for industrial vehicle An industrial vehicle includes an armrest and a plurality of operating members. The armrest extends in a front-and-rear direction of the vehicle. The operating members are arranged in front of the armrest. At least two of the operating members each have an operating... | 02/06/2007 |
| 7165776 | Pivotable tray for a pallet truck A pallet truck is provided comprising a steerable unit; a fork carriage; a set of forks coupled to the fork carriage; and a tray non-removably coupled to one of the fork carriage and the forks. The tray is movable between a workpiece-receiving position where the tra... | 01/23/2007 |
| 7165652 | Fork-lift truck A fork-lift reach truck having an extraction mast which is adapted to be displaced, by means of a mast drive, towards and away from a driving portion of the fork-lift truck on a horizontal guide, a load-carrying means which is mounted on a side shift, a side shift g... | 01/23/2007 |
| 7163088 | Lift truck for the transport of a battery block of an industrial truck A lift truck (6) for the transport of a battery block (1) of an industrial truck, such as a fork-lift truck. The lift truck (6) includes at least one electrical unit. The electrical unit can be connected with the battery block (1) to be t... | 01/16/2007 |
| 7128188 | Elevating truck platform, in particular fork elevating truck platforms A lifting truck such as a forklift truck which can be provided with a supply container which is especially easy to build. To this end, space is made on a carrier between a lifting device for the lifting platform of the forklift truck, a pump and two U-shaped guards.... | 10/31/2006 |
| 7121372 | Lift truck with variable range with at least three wheels A lift truck with variable range with at least three wheels and a telescopic arm. The lift truck includes a steerable rear wheel and two front wheels, a driver station and a motor propulsion group secured to a chassis. The chassis has a compact configuration and is ... | 10/17/2006 |
| 7086819 | Single lever with button for selectively controlling either tilt or lift of a forklift mechanism In a load handling apparatus for a counterbalance type forklift, a single tiltable operating lever is disposed on a body of the forklift, a mast which is tiltable in an anteroposterior direction is disposed on the forklift, a liftable fork is disposed on the mast, a... | 08/08/2006 |
| 7018159 | Adaptive load-clamping system A fluid power load-clamping system includes at least one fluid valve for variably regulating the maximum fluid pressure causing closure of the clamp. Preferably the valve increases the maximum fluid pressure automatically in relation to the measured magnitude of the... | 03/28/2006 |
| 7018158 | Operating member and armrest for industrial vehicle An industrial vehicle has an armrest. The armrest extends in a front-and-rear direction of the vehicle. A plurality of operating members for controlling a loading operation of the vehicle is arranged on a front side of the armrest. The operating members include a fi... | 03/28/2006 |
| 6962231 | Steering device for industrial truck A steering handle of a pallet truck is arranged over a battery box on the truck. The steering handle is journaled so that it is in a turnable relation to an arm about a journaling point. The arm is journaled so that it is pivotable around a second pivot point. By pi... | 11/08/2005 |
| 6952488 | System and method for object localization A computer-assisted method for localizing a rack, including sensing an image of the rack, detecting line segments in the sensed image, recognizing a candidate arrangement of line segments in the sensed image indicative of a predetermined feature of the rack, generat... | 10/04/2005 |
| 6938555 | Traction drive A traction drive, in particular for rail cars, includes a permanent-excited synchronous motor, a traction converter with a pulsed inverter for powering the motor, and ohmic brake resistors. Cross-over switches are connected with a corresponding input terminal of the... | 09/06/2005 |
| 6871721 | Ergonomic operator compartment for operators of differing heights An operator station for a lift truck or other vehicle including a scalloped arm rest providing a plurality of arm rest positions for operators of varying sizes. The arm rests are positioned approximate an operator control handle, such that operators can operate vehi... | 03/29/2005 |
| 6785597 | Hydraulic stabilizer system and process for monitoring load conditions A process for monitoring load conditions on a lifting machine having a rated load moment includes determining an actual load moment of the lifting machine due a weighted load. The actual load moment may be determined by measuring a tilt pressure within a hydraulic t... | 08/31/2004 |
| 6595330 | Work platform control system for a boom-type vehicle A vehicle, such as an extendible boom forklift, that includes a personnel work platform (PWP). The personnel work platform includes a shut-off switch that is connected to the electronic controls for the extendible boom forklift. The operational controls o... | 07/22/2003 |
| 6454511 | Adaptive load-clamping system A fluid power load-clamping system includes at least one fluid valve for variably regulating the maximum fluid pressure causing closure of the clamp. Preferably the valve increases the maximum fluid pressure automatically in relation to the measured magni... | 09/24/2002 |
| 6390751 | Adaptive load-clamping system A fluid power load-clamping system includes at least one fluid valve for variably regulating the maximum fluid pressure causing closure of the clamp. Preferably the valve increases the maximum fluid pressure automatically in relation to the measured magni... | 05/21/2002 |
| 6296081 | Lift cylinder and mast assembly of forklift An ultrasonic sensor detects whether a piston is at the lowest position. The sensor is not affected by the environment or damaged by contact with other objects. The sensor is located in the bottom of a mast cylinder, transmits ultrasonic waves to the bott... | 10/02/2001 |
| 6273669 | Single lever with button for selectively controlling either tilt or lift of a forklift mechanism In a load handling apparatus for a counterbalance type forklift, action and speed conditions of tilting a mast and lifting and lowering a fork are operated by use of a single operating lever and a single switch attached to the operating lever. Also, a con... | 08/14/2001 |
| 6164415 | Hydraulic control apparatus for industrial vehicles A lift control valve is switched based on the manipulation of a lift lever, so that a lift cylinder extends or retracts to move a fork, supported on a mast, to move up or down. A check valve, which is actuated with a pilot pressure, is placed between the ... | 12/26/2000 |
| 6152676 | Multi-function lever for an industrial truck A multi-function lever for an industrial truck has a lever that can be pivoted around at least a first axis and at least one control element located on the lever. By pivoting the lever around the first axis and by actuating the control element, it is poss... | 11/28/2000 |
| 6138795 | Position detector for industrial vehicles An apparatus in a forklift for detecting the height of a fork in stages. Two sensors are arranged longitudinally on the mast. Each sensor includes a switch that has two states. The state of each switch can be changed by movement of the fork. Each switch i... | 10/31/2000 |
| 6125970 | Hydraulic device for forklift A hydraulic device for a forklift is disclosed. The forklift includes a tilting mast and a fork supported by the mast so that the fork is lifted and lowered. A tilt cylinder operates to tilt the mast by means of oil supplied by a tilt valve. A restricting... | 10/03/2000 |
