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7557726 |
Hydraulic shovel concurrently used for crane operations
It is a subject of the present invention to provide a hydraulic shovel concurrently used for crane operations in which an operator may immediately be ascertained of conditions during crane...
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7468675 |
Device for detecting positions of a movable guided part
This present application relates to a device for detecting positions of a movably guided part, comprising a proximity sensor which supplies an output signal which is a measure for the distance of...
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7378950 |
Overload warning means for excavators
The present disclosure relates to an overload warning means for excavators, preferably hydraulic excavators or material handling devices, with three or more contact points, the contact forces being...
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7341159 |
Safety system for preventing falls
A safety system for preventing crane operator injury. Two ergonomic tracks are attached on either side of the working crane. A fall transmitter is used whenever a crane operator is not on the...
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7236096 |
Slope detector
In a dump truck where a monitoring system prevents the raising of the cargo bed when the level of lateral tilt exceeds a safe limit, a keyed switch allows for presetting the maximum safe degree of...
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7216024 |
Industrial 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...
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7209047 |
Monitoring coupling status with process lockout feedback
A monitoring system includes a porthole in a tank or conduit that includes threads on an end thereof. A piece of processing equipment is mounted within the porthole by a threaded coupling collar....
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7138925 |
Microprocessor integrated multifunction hoist system controller
The present multi-function cable hoist system controller monitors a variety of drilling rig hoist system functions, including: positioning of the hoist block of the hoist system, speed/momentum of...
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7123132 |
Chassis alignment system
A method for aligning a truck chassis with a required position relative to a crane, in which the truck is scanned by a sensor means. The laser scanner is located on the crane in such a way that it...
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7106205 |
Alarm device for use with fall protection equipment
A preferred embodiment alarm device for use with fall protection equipment includes an elongating member, an alarm, an activation member, and a connecting member. The elongating member has a first...
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7034669 |
Anti-collision protection system
An anti-collision protection system for machines that operate in a raw material stockpile yard is disclosed. The machines are moveable in the yard in defined paths, with each machine including a...
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7012540 |
Mobile working machine provided with stability monitoring
The invention relates to a mobile working machine, particularly a mobile concrete pump, comprising a device for monitoring the stability thereof when in operation. The working machine comprises a...
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6985085 |
Safety view blind finder for a crane
A crane safety system providing a view of the operation of the crane to the crane operator is disclosed. The crane safety system comprises: (1) a camera sub-system having a monitor providing images...
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6968241 |
Device and method for controlling the position for working devices of mobile machines
The invention relates to a device for controlling the position for work devices ( 41 ) of mobile machines ( 40 ). The inventive device comprises a measuring device ( 1,2 ) for measuring an angle...
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6965823 |
Operating method and device for operating automated container quay cranes
An operating method for container quay cranes used to load and unload container ships aided by a PC with a monitor in a crane driver's cabin. The crane driver operates a touchscreen on the...
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6853307 |
High voltage proximity warning system and method
A high-voltage-proximity warning system has a local panel ( 1 ) for being positioned in or about a cab ( 2 ) of heavy equipment or other vehicle ( 5 ), a remote panel ( 3 ) in predetermined...
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6842119 |
Detecting damage to a structural member
A method of detecting damage to a structural member which is part of a working arm of a working apparatus, which arm is moveable relative to a body of the apparatus by an actuator. In use, the arm...
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6842118 |
Overload detector of vehicle for high lift work
An overload detection device for a high-lift work vehicle is capable of detecting the load on the work platform. A base 10 of the work platform is supported with a bracket 9 at, at least, three...
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6838996 |
Apparatus and method improving safety in the operation of a crane
The invention is an apparatus and method for improved safety in operation of a crane relative to the transit of a load overhead of workmen. A initiating operator transmits a RF signal to sound a...
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6784800 |
Industrial vehicle safety system
A system for enhancing safe operation of industrial vehicles includes at least one of three sets of sensors for detecting pedestrians in zones and providing appropriate responses. Zone 1 includes...
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6600426 |
Alarm system for detecting hazards due to power transmission lines
An alarm system for detecting and warning of the risk of shock and electrocution is provided. The alarm system is adapted for use with mobile construction equipment, e.g., cranes, trucks, etc.,...
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6549139 |
Crane safety device and methods
An improved crane warning system which includes acceleration sensors, motion sensors, hydraulic sensors, remote communications and/or a camera. The crane warning system may include a crane warning...
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6496766 |
Crane monitoring and data retrieval systems and method
A crane monitoring system and method is characterized by a plurality of sensors mounted to a crane which communicate data to an on-board control unit. The control unit is characterized by having...
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6496765 |
Control system and method for payload control in mobile platform cranes
A crane control system and method provides a way to generate crane commands responsive to a desired payload motion to achieve substantially pendulation-free actual payload motion. The control...
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6486788 |
Audible safety warning system
An audible safety warning message is recorded on a digital sound chip and the chip is installed in an extension tool such as an extension pole, a ladder or the like. The message playback sequence...
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6486787 |
Heavy goods vehicle with an overload security device
The invention relates to a heavy goods vehicle, specially for the transportation of slag, comprising a loading platform for vessels containing slag, fitted with a gripper device for receiving and...
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6473715 |
Luffing angle measurement system
The luffing angle measurement system includes a non-contact distance measuring device mounted on the nose section of a first boom. The non-contact distance measuring device measures either a...
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6297744 |
Aerialift warning system and method
An aerialift warning system and method for use on aerialift equipment to warn the aerialift operator to fasten his/her safety lanyard and to warn persons within the zone of danger below the...
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6252513 |
Pole alarm system
A Pole Alarm System including an electromagnetic field sensor and collision sensors for detecting overhead power lines and physical obstructions within the intended path of a telescoping mast or...
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6144307 |
Monitor and/or overload means
A device which relates to the monitoring of things such as cranes and hoists and seeks to improve on known so-called capacity limiters or overload devices usually associated with the hoist or chain...
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6140930 |
Crane safety devices and methods
An improved crane warning system which includes acceleration sensors, motion sensors, hydraulic sensors, remote communications and/or a camera. The crane warning system may include a crane warning...
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6124798 |
Alarm device designed to warn of danger of hitting high voltage power line by crane in motion
An alarm device is designed to warn of danger of hitting high voltage overhead power lines by a crane in motion. The alarm device is composed of an electric-field sensor for detecting the...
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6102221 |
Method for damping load oscillations on a crane
A method and device for damping the oscillation of a load suspended from a rope on a crane is presented. A digital filter accepts an arbitrary velocity input signal and produces a velocity signal...
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6092678 |
Overhead hoist transfer
In an overhead hoist transfer having a moving carriage with a hand portion, which holds a load, elevatably suspended therefrom; and a means for teaching an appointed stop position on a placement...
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6091337 |
High voltage contact monitor with built-in self tester
A sensor system for use on drilling equipment to detect the presence of high voltages during horizontal or vertical drilling and providing an alarm signal corresponding to one of three...
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6087945 |
Pump failure alarm system for hydraulic working machine
A pump failure alarm system which is provided in a hydraulic working machine comprising hydraulic pumps driven by a prime mover, delivery lines joining with one another into one common delivery...
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6079576 |
Control device for a hoist mechanism of a crane
The present invention relates to a control device for a hoist mechanism of a crane, preferably for a crane with a jib which can be varied in length and be luffed, with a hydraulic motor driving the...
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6067024 |
Obstacle avoidance and crushing protection system for outriggers of a chassis
The protection system for outriggers of a chassis includes a non-contact distance measuring device, associated with at least one of the outriggers and the chassis, mounted on one of the outriggers...
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6065619 |
Cargo handling path setting method and apparatus for crane
A cargo handling path setting method and apparatus determine arbitrary hoisting and lowering speeds of a suspended load and the times required for hoisting and lowering to set hoisting and lowering...
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6039193 |
Integrated and automated control of a crane's rider block tagline system
A method is provided to automatically control a cranes's rider block lifte and taglines. Current position of the crane's rider block is determined in terms of its horizontal and vertical...
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6031463 |
Load signaling device for a patient's foot
A device for providing an acoustic signal to a patient when a predetermined load is placed on the patient's foot comprises a fluid filled control ms with a first bladder underlying the patient's...
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5995001 |
Method and apparatus for providing operating information to an operator of a fork lift truck
A fork lift truck capacity monitor or alerting device informs operators of the weight on the forks and fork height and alerts operators whenever truck speed is above creep with the forks raised...
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5988411 |
Method and apparatus for reduced vibration of human operated machines
Tele-operated machine including a moveable structure and a control device functionally connected to the moveable structure for operation by a human operator. An input processor apparatus responsive...
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5986560 |
Forklift weight sensing device
A weight sensing means for a forklift includes an elongated sleeve having a closed end and an open end in communication with an interior chamber. The interior chamber is dimensioned to receive a...
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5933346 |
Bucket depth and angle controller for excavator
A method is disclosed for controlling the cutting depth and angle of an excavator bucket to excavate a surface to a desired contour. The method includes the steps of: (1) inputting data to a...
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5877693 |
Method and apparatus for measuring the length of a multi-section telescopic boom
The boom length measurement includes a transmitting unit mounted on the fly section of a multi-section telescopic boom, and a receiving unit mounted on the base section of the multi-section...
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5838246 |
Safety apparatus for oil drilling derrick
A safety apparatus for a derrick on an oil drilling rig includes a cable having a first end for connection to one side of the derrick at a predetermined location spaced below the crown. A series of...
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5748097 |
Method and apparatus for storing the boom of a work vehicle
A method and apparatus is disclosed for storing a boom pivotally mounted to a vehicle. The apparatus includes a boom actuator to actuate the boom, a boom sensor to provide a boom signal...
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5732835 |
Crane control device
An object of this invention is to improve safety in a crane. A boom control signal αr and a winch control signal βr are simultaneously outputted to, respectively, a boom drive portion and a winch...
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5642822 |
Suspended load vibration preventing apparatus
A suspended load swaying and vibration preventing apparatus for simultaneously controlling prevention of swaying of a suspended load and suppression of vibration of a structural body is provided in...
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