| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 414639000 | Tilting carrier | 15 |
| 20110206489 | Load transport system and method - A motorized means of transporting loads includes a fork lift mechanism that features a set of anchored chains fitted to a set of lifting forks for lifting and lowering a load. With a combination electrical/hydraulic system, the lifting and lowering functions can be efficiently obtained. Two load supporting outriggers are provided which can be extended or retracted while transporting a load to aid in navigating constricted spaces. A tilting mast and fork assembly allows for a manipulation of the center of gravity while transporting loads. A joystick function controls the forward, turning, reverse, lifting, and extending and retracting the outriggers. A battery enabled transport provides for flash charging of the onboard batteries to extend useful life. | 08-25-2011 |
| 20110243699 | DAMPING OR PREVENTION OF VIBRATIONS IN INDUSTRIAL TRUCKS - An industrial truck is shown with a lifting frame, on which a load-receiving section is arranged so as to be movable vertically. The load-receiving section has at least one degree of movement freedom with respect to the lifting frame, which lies in a plane perpendicular to the main direction of travel of the industrial truck and has at least one horizontal component. In addition, a vibration control system is provided for damping or preventing vibrations in the relative position of load-receiving section and lifting frame. | 10-06-2011 |
| 20120039696 | Control System For A Load Handling Apparatus - A control system for a machine which includes a load handling apparatus, the load is moveable relative to a body of the machine by the load handling apparatus. The machine including a pivot about which a tipping moment is produced by the load. The load handling apparatus including an actuator and is capable of moving the load to a position at which the tipping moment is at a predetermined threshold value. The control system includes a sensor which senses the tipping moment and in use, provides an input to a controller. The controller is responsive to the input to influence operation of the actuator so that in the event that the sensor senses that the value of the tipping moment is approaching the threshold value, the speed of movement of the load is progressively reduced. | 02-16-2012 |
| 20130272832 | WORKSTATION FOR UNLOADING A PALLET - A workstation to aid in the manual unloading of a pallet. The workstation comprises a work area bounded on tows ides by a pallet load platform, a takeaway conveyor, and two parallel conveyors. An operator standing in the work area removes pallet elements from the top layer of the pallet load and places them on one or the other parallel conveyors, which convey them to the takeaway conveyor. The parallel conveyors, which may be tilted gravity conveyors or powered conveyors, are hinged so that they can be raised to an open position allowing operator to enter or exit the work area. The pallet layer may be supported on a tilted scissor lift. | 10-17-2013 |
| 20140219758 | REACH ASSEMBLY WITH IMPROVED OPERATOR VISIBILITY FOR A MATERIALS HANDLING VEHICLE - A materials handling vehicle includes a power unit, a mast assembly coupled to the power unit, and a reach assembly coupled for vertical movement on the mast assembly. The mast assembly includes first, second, and third weldments, wherein the first weldment is fixed to the power unit, the second weldment is movable with respect to the first weldment, and the third weldment is movable with respect to the first and second weldments. The reach assembly includes an extension/retraction mechanism for effecting horizontal movement of the reach assembly relative to the mast assembly. Components of the vehicle have been redesigned and/or rearranged to improve operator visibility. | 08-07-2014 |
| 20140241840 | FORKLIFT - A forklift includes a forklift body having a front wheel and a rear wheel, a fork supported to the front of the forklift body so as to be capable of moving vertically via a mast, a lift cylinder capable of moving the fork up and down, a hydraulic pressure supply line capable of supplying hydraulic pressure to a head-side chamber in the lift cylinder, a hydraulic pressure exhaust line capable of exhausting hydraulic pressure from a rod-side chamber in the lift cylinder, and a changeover valve provided on the hydraulic pressure exhaust line, wherein a control device changes a pressure balance between hydraulic pressure on the head-side chamber and hydraulic pressure on the rod-side chamber in the lift cylinder by the changeover valve to restrict the operation of the lift cylinder, when a weight of a load on the fork exceeds a limit load weight. | 08-28-2014 |
| 20150037125 | MINING ELEVATOR LAPPING PLATFORM SUITABLE FOR FLEXIBLE GUIDE RAIL AND MINING ELEVATOR LAPPING METHOD - A mining elevator lapping platform suitable for a flexible guide rail and a mining elevator lapping method. The lapping platform mainly comprises a support claw package ( | 02-05-2015 |
| 414640000 | With operator-controlled tilting means | 8 |
| 20090081017 | ADJUSTABLE HAND CONTROLS FOR SMALL LOADER - A control system for a walk behind loader which includes a control plate that is mounted to a shaft about an upright axis, wherein pivoting the control plate about the upright axis provides a steering input to the loader. A control handle is pivotally mounted about a generally horizontal axis and movable to provide for a direction and speed control input coupling through a control link. The control handle is mounted onto a handle mounting section section, that in turn is pivotally mounted to a support about an axis that is substantially coincident with the an axis coupling the handle to the control link, so that the control handle can be moved as the handle mounting section pivots between a raised and lowered position without causing a change in the position of controls controlled by the handle. The loader is capable of being operated by an operator walking on the ground when the control handle is in the lowered position, and by an operator standing on a platform attached to the loader, when the control handle is in the raised position. | 03-26-2009 |
| 20160039619 | WORKSTATION FOR UNLOADING A PALLET - A workstation to aid in the manual unloading of a pallet. The workstation comprises a work area bounded on tows ides by a pallet load platform, a takeaway conveyor, and two parallel conveyors. An operator standing in the work area removes pallet elements from the top layer of the pallet load to one or the other of the parallel conveyors, which convey them to the takeaway conveyor. The parallel conveyors, which may be tilted gravity conveyors or powered conveyors, are hinged so that they can be raised to an open position allowing operator to enter or exit the work area. The pallet layer may be supported on a tilted scissor lift. | 02-11-2016 |
| 414641000 | Portable (e.g., vehicle-mounted, etc.) elevator | 6 |
| 414642000 | Tiltable about axis perpendicular to direction of travel of portable elevator (e.g., forwardly tiltable, etc.) | 6 |
| 20130039729 | HYDRAULIC STEERING SYSTEM FOR FORKLIFT TRUCKS - A hydraulic steering actuator system for a forklift with front and rear sections includes a hydraulic steering motor. The forklift front section includes a mast mounting a pair of fork blades and a pair of wheels. The forklift rear section mounts a pair of drive wheels. The forklift front and rear sections are connected by an articulated connection with a vertical rotational axis. The steering actuator motor driveshaft extends along the vertical rotational axis. First and second actuator mounting brackets are connected to the forklift front and rear sections respectively. One of the mounting brackets includes upper and lower locking assemblies locking the hydraulic steering motor driveshaft whereby torque applied to the steering motor is transmitted to the articulated connection for turning the forklift front section relative to the forklift rear section. The range of motion is preferably 180°-205° for accommodating side-loading operations from relatively high storage shelves. | 02-14-2013 |
| 20130089399 | FORKLIFT ENGINE CONTROL DEVICE - An engine control device for a forklift that suppresses an increase in fuel consumption amount and noise by limiting an engine rotation speed when the forklift is driven without the need to increase the engine speed according to the accelerator operation even when the accelerator is depressed hard. Determining means in a controller determines whether all of the following conditions are satisfied: a neutral position of the traveling direction instructing means; a lift raising switch and first, second and third attachment switches are turned off. When all of the above conditions are satisfied, it is determined whether the forklift is driven in any of a plurality of states. An engine control means generates and outputs a control command to obtain the engine speed based on the accelerator pedal depression with the upper limit value of the engine speed set as an upper limit value of the engine speed. | 04-11-2013 |
| 20140186150 | MATERIALS HANDLING VEHICLE WITH IMPROVED VISIBILITY - A materials handling vehicle is provided comprising a power unit, a mast assembly and a fluid supply system. The mast assembly is coupled to the power unit. The mast assembly comprises a weldment, a movable element and a ram/cylinder assembly coupled to the movable element to effect movement of the element. The fluid supply system includes manifold apparatus and at least one fluid line coupled to the manifold apparatus and the ram/cylinder assembly. The manifold apparatus provides pressurized hydraulic fluid to the ram/cylinder assembly via the fluid line to raise the movable element. The manifold apparatus is mounted to the mast assembly. | 07-03-2014 |
| 20150368079 | LOAD SUPPORTING AND ORIENTING APPARATUS FOR A LIFT DEVICE - A lift apparatus includes a lift device operable for raising and lowering a first platform, a base releasably connected atop the first platform, a second platform mounted to the base for tiltable movement between a first position and a second position relative to the first platform, the second position of the second platform being tilted relative to the first position of the second platform, and a retention assembly coupled between the base and the second platform for selectively tilting the second platform from the first position to the second position, and selectively retaining the second platform in the first position and in the second position. | 12-24-2015 |
| 20160002017 | HYDRAULIC CONTROL DEVICE FOR FORKLIFT - A hydraulic control device for a forklift includes: a plurality of hydraulic mechanisms including a lifting/lowering hydraulic cylinder and a tilting hydraulic cylinder; a hydraulic pump; an electric motor; a discharge control mechanism; a proportional valve; a flow rate control valve; and a controller. When the lifting/lowering hydraulic cylinder performs a lowering operation of the fork and a hydraulic mechanism other than the lifting/lowering hydraulic cylinder simultaneously performs a further operation, the controller controls an open degree of the proportional valve in accordance with a rotation speed difference of a required lowering operation rotation speed for the hydraulic pump, which is required to perform the lowering operation at an instructed speed that is in accordance with an operation amount of the lifting/lowering control member, and a required further operation rotation speed for the hydraulic pump, which is required to perform the further operation. | 01-07-2016 |
| 20160031689 | LIFT TRUCK ACCESSORY - An industrial lift truck with a tilt measuring accessory, which provides an operator with a visual indication of the mast assembly tilt angle by means of a flexible cable operated sliding weight indicator mounted on the mast assembly. The flexible cable is fixedly mounted by a mounting device to a roll-cage and extends parallel, or substantially so, to the surface on which the lift truck is operating, before passing over a pulley mounted on the mast assembly to extend downwardly and parallel, or substantially so, to the mast assembly. The sliding weight is received for sliding engagement within a guide, wherein, when the mast assembly is tilted, movement of the flexible cable causes a corresponding movement of the weight relative to the guide thereby giving the visual indication of the angle of tilt of the mast assembly. | 02-04-2016 |
