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Class 414/636 - And means for limiting the movement


Subclass of Class 414 - Material or article handling
Definition: Apparatus wherein means is provided to limit the movement
No. of patents: 48
Last issue date: 10/20/2009


1    
NumberTitleIssue Date
7604452Cantilevered pallet positioner with safety devices
A pallet positioner includes a support frame that consists of a main upright structure with a pair of spaced, parallel outriggers extending horizontally at ground level. The distal ends of the outriggers are connected by a low-profile ramp. The upright structure inc...
10/20/2009
7320385Camera 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
7314053Load sensing system
A load sensing system for maximizing the cleaning efficiency of particulate raw materials such as sand, gravel, rock, ores, etc., in a log washer by sensing the weight of the aggregate in the log washer tank and adjusting the angle of inclination of the tank for cle...
01/01/2008
7283898Seating sensor system, failure state detecting method using seating sensor and industrial vehicle with seating sensor system
A seating sensor detects whether a seat is occupied by a person. A microcomputer determines whether the seat is occupied by a person based on the output of the seating sensor. If a seating signal indicating that the seat is occupied by a person is supplied continuou...
10/16/2007
7278508Control system of industrial truck and controlling method of the same
A control system of an industrial truck includes a first switch, a second switch and a hydraulic circuit. The first switch detects whether an operator sits on a seat, and carries out a first operation based on the result. The second switch detects whether a device f...
10/09/2007
7276669Payload overload control system
A work machine may have a payload overload control system. The system may include a payload carrier and a lift mechanism configured to raise and lower the payload carrier. The system may further include a payload monitor configured to determine a payload in the payl...
10/02/2007
7216024Industrial truck with a stabilizing device
An industrial truck, in particular a counterbalanced fork lift truck, has a stabilizing device to increase its stability against tipping. The invention teaches that a plurality of wheel load sensors (R1, R2, R3, R4), each ...
05/08/2007
7172050Arrangement 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
7165643Industrial truck having increased static/quasi-static and dynamic tipping stability
A forward-control counterweight fork-lift truck has a liftable and tiltable load-lifting device (1), a traction drive, operating drives, and a steering drive. A calculation model (D) based on vehicle-specific information is stored in a control device (SE). A ...
01/23/2007
7055269Wheeled 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
7029226Cargo carrying deck for the tractor of a semitrailer truck
Cargo carry apparatus (220) for a tractor (500) of a semitrailer truck includes a rotatable deck (222) mounted between the fifth wheel (502) and the cab which pivots from a vertical position to a horizontal position until the deck rests u...
04/18/2006
7018159Adaptive 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
7018158Operating 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
6945745Industrial truck with a device for moving a lifting frame
An industrial truck has a chassis (1), a lifting frame (5), a load holding device (10) that can move vertically along the lifting frame (5), and at least one movement device to move the lifting frame (5) relative to the chassis (
09/20/2005
6843636Adaptive 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...
01/18/2005
6439826Adaptive 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...
08/27/2002
6431816Adaptive 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...
08/13/2002
6425728Tilting speed controlling apparatus and method for industrial vehicle
A tilt speed control apparatus for fork lift comprises a mast pivotally supported on a body frame. A fork is supported by the mast. The fork is lifted and lowered and is constructed to carry a load. A pump sends hydraulic oil to a tilt cylinder. A motor d...
07/30/2002
6390751Adaptive 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
6350100Tilt control device for forklift
A device for controlling tilt of a forklift mast. A fork for carrying an object is supported by the mast so that the fork is lifted or lowered. A tilt cylinder operates to tilt the mast hydraulically. A hydraulic valve supplies oil to the tilt cylinder in...
02/26/2002
6209913Axle pivot control apparatus for industrial vehicles
An industrial vehicle including an axle to which wheels are mounted and supported to pivot vertically relative to a body of the vehicle. The vehicle includes a pivot control apparatus for controlling pivoting of the axle. The industrial vehicle further in...
04/03/2001
6164415Hydraulic 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
6135694Travel and fork lowering speed control based on fork load weight/tilt cylinder operation
A fork lift truck includes a body, a drive mechanism supported on the body for effecting movement of the body, and a fork carrying assembly carrying forks which can be moved in height between a lowered position and desired raised positions. A tilt cylinde...
10/24/2000
6125970Hydraulic 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
6092976Delayed-action empty-seat safety interlock for forklift controls
A tilt control valve controls the flow of hydraulic oil to actuate the tilt cylinders of a forklift mast. The tilt control valve is switched between two positions by the forklift operator by means of a tilt lever. When at one position, the tilt control va...
07/25/2000
6056501Axle tilt control apparatus for industrial vehicles
An axle tilt control apparatus for forklifts is disclosed. The forklift includes a rear axle pivotally supported by a body frame and a front axle rigidly fixed to the body frame. A mast is supported at the front portion of the body frame to tilt forward a...
05/02/2000
6050770Stabilization system for load handling equipment
A processor implemented stabilization system for load handling equipment monitors at least a portion of the equipment weight load at an equipment support member. Reduction below or increase above predetermined values signals an approaching tip over condit...
04/18/2000
6027302Clamp force control for load-handling device
A control is provided for a load-handling device that includes a hydraulic gripper (14) which is intended to grip objects, such as one or more rolls or bales of paper material or other goods, through the medium of pressure in a clamping pressure line (32)...
02/22/2000
5391043Truck mounted lifting mechanism for lifting and transporting containers
The truck mounted lifting mechanism is carried on a truck frame having a pair of opposed C-shaped tracks extending rearward from the cab. A mast having a base carrying an axle engages the outside of the tracks with a pair of flanged rollers. A carriage is...
02/21/1995
5088879Forward tilt limit system for lift trucks
An electrical circuit for controlling the tilting of a mast assembly and the lifting of the fork of materials handling vehicles avoids the previously required extra control manipulations while continuing to maintain the safety standards for this type of v...
02/18/1992
4957408Device for controlling a fork of a forklift
When the center of gravity of the load put on the two prongs of a forklift is located to the right or left of the central position, the prongs are tilted. The invention is intended to prevent the prongs from tilting in this situation. Tilt sensors are mou...
09/18/1990
4942529Lift truck control systems
A travel speed limiting control system for lift trucks, particularly of the "orderpicker" type, having an extendible mast, is disclosed. The truck travel speed which the operator can command is limited by factors including load weight, load elevation, hea...
07/17/1990
4859133Fork lift truck and vehicle for the transport thereof
Fork lift truck comprising a chassis, a front and a rear axle supported by the chassis and having wheels at their outer ends, a portal which is pivotally connected to the front of the chassis, a fork, on which a load can be placed, being movable along sai...
08/22/1989
4675827Revolution controller for a single power plant in cargo-handling vehicles
This invention relates to a cargo-handling vehicle equipped with a cargo-handling apparatus and having a single power plant adapted to commonly drive a hydraulic pump for driving and a hydraulic pump for cargo-handling. A driving command signal in the for...
06/23/1987
4520443Control device for loading and unloading mechanism
A control device for loading and unloading mechanism adapted to be incorporated in a fork lift truck comprises a sensor unit 100 including a lifting height sensor 102, a tilting angle sensor 104, and a load sensor 106, a control unit 200 comprising a cont...
05/28/1985
4517645Control device for loading and unloading mechanism
A control device for loading and unloading mechanism adapted to be incorporated in a fork lift truck comprises a sensor unit 100 including a lifting height sensor 102 and a load sensor 106, a control unit 200 comprising a control command producing circuit...
05/14/1985
4509127Control device for loading and unloading mechanism
A control device for loading and unloading mechanism adapted to be incorporated in a fork lift truck comprises a sensor unit 100 including a lifting height sensor 102, a control unit 200 comprising a control command producing circuit 240 constituted by a ...
04/02/1985
4499541Input circuit of a fork lift truck control system for a fork lift truck
An improved fork lift truck control system using a microcomputer, which comprises a sensing unit including a first sensor for detecting a lift height of a fork above its lowest position and a second sensor for detecting a tilting angle of an upright with ...
02/12/1985
4491918Method and system for horizontally controlling a fork for a fork lift truck
A method and system for horizontally controlling a fork for a fork lift truck to be positioned at a position parallel with respect to the ground, according to the loads mounted on the fork. The target backward tilting angle of the upright is previously de...
01/01/1985
4459081Speed reducing mast tilt indicator
The operator of a lift truck or other load supporting vehicle (11) having a tiltable mast (12, 12a) is alerted as the mast (12, 12a) tilts beyond a predetermined orientation by a temporarily slowing of the rate of tilting movement. Return motion of the ma...
07/10/1984
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