Cranes Patents (Class 340/685)
  • Patent number: 10252894
    Abstract: A self-homing hoist includes a controller configured to initiate a self-homing process to return the hook assembly to a homed position in response to each of at least one homing factor being true. Each homing factor is true or false based on a comparison of the current condition of the homing factor with a threshold requirement. If the current condition satisfies the threshold requirement, then the homing factor is true. If the current condition does not satisfy the threshold requirement, then the homing factor is false. Where all homing factors are true, the controller can initiate the self-homing process by activating a hoist motor to drive the cable drum and reel the hook assembly into the homed position.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: April 9, 2019
    Assignee: Goodrich Corporation
    Inventor: Robert Humble
  • Patent number: 9981835
    Abstract: The present disclosure relates to a forklift and a forklift control method. The forklift and the forklift control method according to the present disclosure may adjust a fork/mast inclination with reference to the coefficient of friction, and precedently and appropriately adjust a fork/mast inclination right before the forklift enters or exits from a slope by referring to geological information. Further, when a degree of danger is not decreased even when a fork/mast inclination is tilted backward to the largest extend, the forklift and the forklift control method according to the present disclosure may decrease a travelling speed of a vehicle by decreasing an output of the forklift or operating a brake, thereby remarkably decreasing the danger of the load falling.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: May 29, 2018
    Assignee: DOOSAN CORPORATION
    Inventor: Dae Hyun Kim
  • Patent number: 9878888
    Abstract: The present invention concerns a weighing device applicable in a removable manner to the fork of a fork lift or of a lifter and including an external strip to support the load to weigh; a magnetic element arranged to allow applying magnetically the external strip to the fork; and a weighing device arranged below the external strip in such a way as to detect the weight of a load overlying the external strip. The weighing device is further configured to communicate in wireless modality with an external device for the reading of the datum of the detected weight.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: January 30, 2018
    Assignee: Newtecnik S.r.l.
    Inventor: Mirco Giannetti
  • Patent number: 9738494
    Abstract: Provided is a safety lighting system for an overhead crane comprising a laser generator capable of generating a laser signal; and a crane control system having a programmable logic circuit; wherein the laser generator is integrated with the crane control system; and wherein the laser generator is operable to project a laser signal onto a surface corresponding to the position of the crane or crane components and a method of using the safety lighting system to determine when an object has crossed into a designated safety zone.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: August 22, 2017
    Assignee: Mazzella Lifting Technologies, Inc.
    Inventors: Mark Shubel, Kenneth Wright
  • Patent number: 9527526
    Abstract: A method operates a steering system of a motor vehicle having a steerable wheel controlled using a steering wheel. The method begins by ascertaining a prevailing control angle of the steering wheel of the motor vehicle. A variable steering ratio between the prevailing control angle and a steering angle of the steerable wheel is defined. A static steering ratio from the variable steering ratio to set the steering angle of the steerable wheel is then selected.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: December 27, 2016
    Assignee: Ford Global Technologies, LLC
    Inventors: Frank Esser, Joerg Peter Schalz
  • Patent number: 9415976
    Abstract: A crane collision avoidance system is disclosed. One example includes a load locator to determine a location of a load of a crane and provide the location information to a mapping module. In addition, a map receiver module procures a map of a site and provides the map to the mapping module. A tag scanner scans the site for one or more tags defining an obstacle and provides the obstacle information to a mapping module. The mapping module combines the location information, the map and the obstacle information into a user accessible information package that is displayed on a graphical user interface.
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: August 16, 2016
    Assignee: Trimble Navigation Limited
    Inventors: Dale Hermann, Curt Conquest
  • Patent number: 9343191
    Abstract: A cask transport system includes a support assembly including a plurality of wheels and a support frame coupled to and supported by the wheels. The cask transport system also includes a tower disposed above the support assembly, the tower including a base portion and a tower frame coupled to the base portion, the tower frame movable relative to the base portion. The cask transport system also includes an upper beam assembly coupled to the tower frame, and a bottom block assembly coupled to the upper beam assembly, the bottom block assembly movable relative to the upper beam assembly.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: May 17, 2016
    Assignee: KONECRANES GLOBAL CORPORATION
    Inventors: Steve Coogan, Michael Waedekin, Joseph A. Yustus
  • Patent number: 9290361
    Abstract: A lifting device sensor unit comprises a housing, a first global navigation satellite system (GNSS) receiver, and a wireless transceiver. The housing is configured to removably couple about a load line of a lifting device. The first GNSS receiver is coupled with the housing and configured for determining a sensor unit position in three dimensions. The wireless transceiver is coupled with the housing and configured for wirelessly providing information including the sensor unit position to a display unit located apart from the sensor unit.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: March 22, 2016
    Assignee: Trimble Navigation Limited
    Inventors: Kurtis L. Maynard, John F. Cameron
  • Patent number: 9278833
    Abstract: A lifting device sensor unit comprising a housing, a load monitor, and a wireless transceiver. The housing is configured to removably couple about a load line of a lifting device. The load monitor is coupled with the housing and configured for monitoring a load coupled with the load line, including monitoring a load position and a load orientation of the load. The wireless is transceiver coupled with the housing and configured for wirelessly providing information including the load position and the load orientation to a display unit located apart from the sensor unit.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: March 8, 2016
    Assignee: Trimble Navigation Limited
    Inventors: Kurtis L. Maynard, John F. Cameron
  • Patent number: 9279675
    Abstract: A device for determining an extension length of an extendable machine part includes a first ultrasound sensor and a controller, the controller determining the extension length on the basis of an ultrasound signal received by the first ultrasound sensor. The first ultrasound sensor includes a first ultrasound converter and a second ultrasound converter which are arranged such that they are offset along the measuring direction.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: March 8, 2016
    Assignee: MOBA MOBILE AUTOMATION AG
    Inventor: Boris Zils
  • Patent number: 9248998
    Abstract: A method of lifting device load hazard avoidance is disclosed. In one embodiment, the method comprises determining a three dimensional position of a load hazard avoidance sensor unit coupled with a load line of a lifting device, the determining performed by a first global navigation satellite system (GNSS) receiver coupled with a housing of the load hazard avoidance sensor unit, monitoring for a load related hazard in a vicinity of a load coupled with the load line, the monitoring performed by a load monitor coupled with the housing and initiating at least one load related hazard avoidance action in response to a monitored occurrence of the load related hazard.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: February 2, 2016
    Assignee: Trimble Navigation Limited
    Inventors: Kurtis L. Maynard, John F. Cameron
  • Patent number: 9223008
    Abstract: A method for stabilizing a load suspended with a rope, cable, net, sling or the like is disclosed. A beacon having a plurality of lights thereon may be attached to the load relative to the attachment point to the load, to an attachment point of the load or to the rope, cable sling or the like. A sensor on the lifting device senses the beacon and thus any swinging motion of the load, and a processor responsive to the sensor develops control signals that direct motion of the lifting device to dampen any swinging motion of the load.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: December 29, 2015
    Assignee: Advanced Optical Systems Inc.
    Inventors: Richard L. Hartman, Michael K. Balch, Stephen H. Fox, Jonathan A. Berry, Stephen R. Granade
  • Patent number: 9187916
    Abstract: The present invention provides a boom system, comprising a plurality of joint arms sequentially hinged through a horizontal hinge shaft, and further comprising: mounting two length sensors on each joint arm, wherein one length sensor measures the length of a corresponding joint arm after deformation, and the other length sensor measures the length between it and the distal end of the corresponding joint arm, and there is a preset distance between the two length sensors; mounting a dip angle sensor on each joint arm, and obtaining the angle between the connection line between the two length sensors and a reference plane; a processor which obtains boom system distal end position parameters according to the detection results of the dip angle sensor and the length sensors.
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: November 17, 2015
    Assignees: Hunan Sany Intelligent Control Equipment Co., LTD, Sany Heavy Industry Co., LTD
    Inventors: Xiaogang Yi, Zuoliang Zhang, Dong Li
  • Patent number: 9187295
    Abstract: The disclosure includes a safety method for the lifting and/or transporting of a common load using a plurality of cranes, comprising the steps: determining of possible damage incidents for movement vectors of the cranes; activation of an alarm function if predetermined movement vectors result in damage incidents and/or limitation of the movement vectors used for the control of the cranes to those movement vectors which do not result in damage incidents in any of the cranes. Furthermore, a corresponding control method as well as a safety system and a control system are provided.
    Type: Grant
    Filed: August 31, 2007
    Date of Patent: November 17, 2015
    Assignee: Liebherr-Werk Nenzing GmbH
    Inventors: Klaus Schneider, Martin Rajek
  • Patent number: 9169973
    Abstract: A method for detecting zonal operator presence includes receiving a sensor output from a sensor. The sensor may be located on an agricultural machine and the sensor output indicates an operating state of the agricultural machine. Once the sensor output has been received, the operating state of the agricultural machine is determined based on the sensor output. The operating state includes an operator being located within a work area of the agricultural machine. The work area is divided into a plurality of zones. An operating parameter is adjusted based on the operating state.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: October 27, 2015
    Assignee: AGCO Corporation
    Inventor: Vincent Nickel
  • Patent number: 8981955
    Abstract: A system and method for alerting operators of mobile equipment to the presence of people in monitored areas around the periphery of the mobile equipment they are operating is provided. The system includes an RFID detection system which is installed on the mobile equipment and alerts the operator to the presence of people wearing Personal Protection Equipment containing RFID safety tags. The system also includes a tag programming system which allows RFID safety tags to be created. The system also includes a tag testing system which allows a person to test the functionality of the RFID safety tags contained in the personal safety equipment they are wearing. The system also includes RFID personal safety equipment such as 3D safety vests and RFID hardhats which contains RFID safety tags. The 3D safety vests also include enhanced 3D visual markings.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: March 17, 2015
    Assignee: Marlex Engineering Inc.
    Inventors: Uwe D. Schaible, Jonathan Fava, Peter Atef Wadie Basl, Norman H. Von Styp-Rekowski, Jeff William Edward McDonald, Jason Philip Garr
  • Patent number: 8977440
    Abstract: A heavy-duty vehicle including a movable arm, an operator control unit, an inertial measurement device, and a controller. The operator control unit directs movement of the movable arm. The inertial measurement device measures a pitch motion and a heave motion of the heavy-duty vehicle. The controller mitigates pitch motion and heave motion by adjusting a movement of the movable arm. The inertial measurement device detects a motion in one of a first direction and a second direction. The controller determines a direction of movement of the arm in one of a third direction and a fourth direction. The controller increases the speed of motion of the arm when the motion is in the first direction and the movement is in the third direction or when the motion is in the second direction and the movement is in the fourth direction.
    Type: Grant
    Filed: September 9, 2010
    Date of Patent: March 10, 2015
    Assignee: Robert Bosch GmbH
    Inventors: Jason Trombley, William Calihan
  • Patent number: 8941502
    Abstract: A safety monitoring system for a catenary system that includes an overhead wire, a support pole and a counterweight attached to the end of the overhead wire and suspended by the support pole. The catenary safety monitoring system includes a temperature sensor for detecting an ambient temperature, a position sensor for detecting a position of the counterweight and an electronic controller. The electronic controller compares a detected position of the counterweight with a predicted position determined by the electronic controller using an ambient temperature from the temperature sensor. A message transmitter provides a warning to a user if the detected position of counterweight is not within a predetermined percentage of the predicted position.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: January 27, 2015
    Assignee: Impulse Inc. LLC
    Inventors: Grant Welch, Gary Graham
  • Patent number: 8874329
    Abstract: A method for monitoring a stability parameter of a loading crane mounted on a vehicle supported on the ground by wheels and by support elements separate from the wheels includes calculating, using a processor, the stability parameter of the loading crane mounted on the vehicle supported on the ground by the wheels and the support elements, and comparing the magnitude of the stability parameter to at least one predetermined limit value. The calculating includes detecting contributions to a magnitude of the stability parameter of the wheels of the vehicle on which the loading crane is mounted and detecting contributions to the magnitude of the stability parameter of the support elements of the vehicle on which the loading crane is mounted.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: October 28, 2014
    Assignee: Palfinger AG
    Inventor: Thomas Zinke
  • Patent number: 8777027
    Abstract: The present application relates to a mobile crane comprising a telescopic boom which has a hinged section and at least one telescopic section which can be telescoped out of it, or to a crawler-mounted crane. In accordance with one embodiment, as a position detection device, it has at least one transducer in the form of an inductively operating transponder, a receiver unit for the sensing of the position of the transducer, a control device for control in dependence on a signal of the receiver unit, as well as a signal transmission device in the form of a databus for the transmission of the signal data from the receiver unit to the control device.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: July 15, 2014
    Assignee: Liebherr-Werk Ehingen GmbH
    Inventor: Erwin Morath
  • Patent number: 8723638
    Abstract: A joystick controller is disclosed for controlling speed of a boom lift platform, the controller having motors or the like that provide tactile feedback that is intuitively interpreted and adjusted by the user of the joystick speed control, the joystick being neutrally-biased to effect a null velocity when the joystick is positioned in a neutral position, but the tactile feedback forcing the joystick away from neutral to a degree that represents the platform's actual speed.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: May 13, 2014
    Assignee: Enovation Controls, LLC
    Inventor: Kennon H Guglielmo
  • Patent number: 8686868
    Abstract: A system and method for assisting drivers of Bomb Carts and Shuttle Carriers to position their vehicles appropriately for loading and unloading containers at a gantry crane. The system uses laser scanners mounted at various levels on the gantry crane sill beams to determine the type, position, orientation and skew angle of the vehicles as well as whether the vehicles are in a loaded or unloaded condition. In addition, the system provides indicator devices to direct drivers how to move their vehicles.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: April 1, 2014
    Assignee: TMEIC Corporation
    Inventors: David G. Stocker, Michael G. Bartel, Gregory A. Hedrick
  • Patent number: 8618949
    Abstract: A lifting device sensor unit is disclosed. In one embodiment, the sensor unit comprises a housing configured to removably couple about a load line of a lifting device. A first global navigation satellite system (GNSS) receiver is coupled with the housing and is configured for determining a sensor unit position in three dimensions. A load monitor is coupled with the housing and is configured for monitoring a load coupled with the load line, including monitoring a load position and a load orientation of the load. A wireless transceiver is coupled with the housing and is configured for wirelessly providing information including the load position, the load orientation, and the sensor unit position, to a display unit located apart from the sensor unit.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: December 31, 2013
    Assignee: Trimble Navigation Limited
    Inventors: Kurt Maynard, John Cameron
  • Patent number: 8538670
    Abstract: The invention relates to a construction machine having a carrier unit, an actuation unit, which is adjustable with respect to the carrier unit, at least one detecting means for detecting status data of the construction machine, and a computer unit, by means of which, based on the detected status data, at least one adjustment range of the actuation unit can be determined, in which the actuation unit is adjustable at a given safety against tilting of the construction machine. The invention also relates to a method for operating a construction machine of such type.
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: September 17, 2013
    Assignee: Bauer Maschinen GmbH
    Inventors: Martin Lanzl, Josef Haas, Markus Mayr, Manfred Angermeier, Thomas Elsner
  • Patent number: 8421640
    Abstract: An automatic signaling system to prevent a tractor from being accidently lifted with the cargo by a ship to shore gantry crane. The embodiment includes multiple sensors to detect a lifted condition and radio output upon a lifted condition. The radio output channel is determined by an automatic identification system that identifies the crane the tractor is under. Upon receiving a lifted signal the cranes hoist will be stopped and disabled but will still allow lowering until the lifted signal stops.
    Type: Grant
    Filed: June 7, 2010
    Date of Patent: April 16, 2013
    Inventor: Edward Wayne Larson
  • Patent number: 8200401
    Abstract: The invention relates to a method of determining changes in loads on lifting gear, whereby a change in load is determined within load curve data at a transition point of the load curve gradient, and whereby the load curve is broken down into discrete-time observation intervals at the transition points. It further relates to a method of reconstructing load situations on lifting gear, for which such a method of determining changes in load is used.
    Type: Grant
    Filed: May 18, 2009
    Date of Patent: June 12, 2012
    Assignee: Manitowoc Crane Group France SAS
    Inventors: Thomas Heidrich, Hasko Karge
  • Patent number: 8181798
    Abstract: Mobile or stationary working apparatus, in particular a working vehicle, with at least one telescopic extension arm (3) which has two or more extension arm elements (31, 32, 33) which can be moved in relation to one another, with detection means being provided on the extension arm elements (31, 32, 33) and also on a base station, in particular a rotatable trailer of the working vehicle, for detecting the position of the extension arm elements (31, 32, 33) in relation to one another and with respect to the base station, with provision being made, according to the invention, for the detection means to be in the form of radio detection means, with a radio base unit (8) being arranged on the base station and further transponder units (10, 12) being arranged on the extension arm elements (32, 33).
    Type: Grant
    Filed: February 2, 2007
    Date of Patent: May 22, 2012
    Assignee: PAT GmbH
    Inventor: Ulrich Möller
  • Patent number: 8144000
    Abstract: In a method for avoiding a collision on a job site, information is received regarding a plurality of selected entities on the job site. The information is received at a location independent from the entities. The information is evaluated to determine whether a trigger has occurred. The trigger is associated with a potential collision situation involving an entity of the entities. A collision alert message is issued for the entity if the trigger has occurred.
    Type: Grant
    Filed: September 26, 2007
    Date of Patent: March 27, 2012
    Assignee: Trimble Navigation Limited
    Inventors: George Derrick Darby, Jr., Juan Carlos Santamaria, Augusto Opdenbosch
  • Publication number: 20110187548
    Abstract: A lifting device sensor unit is disclosed. In one embodiment, the sensor unit comprises a housing configured to removably couple about a load line of a lifting device. A first global navigation satellite system (GNSS) receiver is coupled with the housing and is configured for determining a sensor unit position in three dimensions. A load monitor is coupled with the housing and is configured for monitoring a load coupled with the load line, including monitoring a load position and a load orientation of the load. A wireless transceiver is coupled with the housing and is configured for wirelessly providing information including the load position, the load orientation, and the sensor unit position, to a display unit located apart from the sensor unit.
    Type: Application
    Filed: January 31, 2011
    Publication date: August 4, 2011
    Inventors: Kurt Maynard, John Cameron
  • Patent number: 7970521
    Abstract: Disclosed are algorithms for controlling multiple states of a dynamic system, such as controlling positioning and cable sway in cranes. Exemplary apparatus and methods may be implemented using first and second serially coupled feedback loops coupled to a plant and payload that are to be controlled. The first feedback loop comprises a first control module. It generates a filtered actuator command from an error signal derived from a signal representing a desired system state and a feedback signal indicative of the actual system state. The generated signal is operative to position the payload. The second feedback loop comprises a second control module that generates a second actuator command that is operative to cause the plant to have an output of zero, to eliminate disturbance-induced oscillations. Input shaping may be employed in the first loop for eliminating motion-induced oscillations.
    Type: Grant
    Filed: April 19, 2006
    Date of Patent: June 28, 2011
    Assignee: Georgia Tech Research Corporation
    Inventors: Khalid Lief Sorensen, William Singhose, Stephen Dickerson
  • Patent number: 7970519
    Abstract: An earthmoving system, includes in one embodiment a laser transmitter for transmitting a reference beam of laser light, and a laser receiver mounted on a mast on the bulldozer blade. The bulldozer has a frame and a cutting blade supported by a blade support extending from said frame. The blade support includes hydraulic cylinders for raising and lowering the blade in relation to said frame, and for tilting the blade along its length. The mast extends upward from, and is movable with, the blade. An inclinometer is mounted for movement with the blade to provide an indication of the inclination of the blade. A sensor detects turning of the bulldozer. A control is responsive to the laser receiver, to the inclinometer, and to the sensor, for controlling the operation of said cylinders and adjusting the position of said blade. When rapid turning of said bulldozer is detected the control operates to reduce the errors that would otherwise result from an erroneous inclinometer output.
    Type: Grant
    Filed: September 27, 2006
    Date of Patent: June 28, 2011
    Assignee: Caterpillar Trimble Control Technologies LLC
    Inventor: Francisco Green
  • Patent number: 7852229
    Abstract: An excavation equipment alarm system for providing advance warning to an operator of an excavator of overhead obstacles. The excavation equipment alarm system generally includes a support member attached to the actuator, a guide tube attached to the support member, a guide arm slidably positioned within the guide tube, a mounting post attached to a distal end of a telescoping arm of the actuator and to the guide arm, and a magnetic sensor attached to the actuator to detect a distal end of guide arm. If the magnetic sensor detects the presence of the guide arm, then the warning unit is not activated. If the magnetic sensor no longer detects the presence of the guide arm, then the warning unit is activated to warn the operator of the excavator that the boom of the excavator may be at an unsafe height.
    Type: Grant
    Filed: September 15, 2008
    Date of Patent: December 14, 2010
    Inventor: Russell R. Gohl
  • Publication number: 20100298968
    Abstract: A safety device and a processor are disclosed for a quay crane, both are configured to avert the hatch cover being lifted from a ship as a container on the hatch is lifted. A computer readable memory and server are disclosed that may provide the processor with a program system and/or installation package. Motion sensors are disclosed for use with the safety device that may contribute to estimating the movement of the hatch cover.
    Type: Application
    Filed: May 20, 2010
    Publication date: November 25, 2010
    Inventors: Henry King, Toru Takehara
  • Patent number: 7642899
    Abstract: The present invention is a vehicle observation apparatus for reducing the risk of injury to law enforcement persons during vehicle stops. The invention is also a vehicle equipped with the vehicle observation apparatus. In an embodiment, the apparatus may include a mast being mountable to and deployable from a law enforcement vehicle, means for two-way communication and observation secured about one end of the mast, means for operating the mast, and means for operating the means for two-way communication and observation. The mast may be telescopic and adapted to be placed in at least a first position and a second position, or may be non-telescopic and in an extended position when in use. In another embodiment, the invention may be a similar apparatus wherein the mast is mountable to and deployable from a check point structure.
    Type: Grant
    Filed: March 19, 2007
    Date of Patent: January 5, 2010
    Inventors: Julio Alvarado, Douglas Masztak
  • Publication number: 20090276126
    Abstract: This invention relates to a mobile crane with at least one memory unit in which limit curves or limit values are stored for various crane parameters, which should not be exceeded, or only by issuing an alarm signal, to ensure safety during operation of the crane, and with means for ensuring crane safety, which are configured such that they monitor the individual limit values of the various parameters for exceedance, and with means for checking the current position of the extendable and retractable props which serve to support the mobile crane. In accordance with the invention, means are provided, which in dependence on the actual position of the supporting cylinders reached determine the tilting edge of the mobile crane as limit value. Furthermore, means are provided, which in dependence on the individual parameters of the mobile crane and the suspended load determine whether the operating condition of the mobile crane lies within this limit value.
    Type: Application
    Filed: April 29, 2009
    Publication date: November 5, 2009
    Inventors: Erwin Morath, Peter Abel
  • Patent number: 7557726
    Abstract: 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 operations as well as dangerous conditions occurring on the implement or the vehicle body so that operations may be performed in a stable and rapid manner, this being achieved by a hydraulic shovel concurrently used for crane operations which comprises an implement including a boom, an arm, a bucket and a hook for enabling crane operations, which further comprises a monitor device including a monitor screen, wherein a parameter display portion for displaying parameters related to load factors of safe-working load, an engine condition display portion for displaying engine conditions and an alarm information display portion for displaying alarm information are provided on the monitor screen during crane operations, wherein a plurality of display items of the alarm information display portion may be sequentially switched and d
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: July 7, 2009
    Assignee: Komatsu, Ltd.
    Inventors: Satoru Nishimura, Takumi Nagahara, Masamichi Ueda, Mitsuhiro Shimazu
  • Patent number: 7468675
    Abstract: 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 an object located in front of the proximity sensor, and further comprising at least one transponder arranged on the movably guided part, the proximity sensor being designed such that the data stored in the transponder can be read out by means of the proximity sensor.
    Type: Grant
    Filed: August 3, 2005
    Date of Patent: December 23, 2008
    Assignee: Liebherr-Werk Ehingen GmbH
    Inventor: Erwin Morath
  • Patent number: 7378950
    Abstract: 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 determined at the contact points such that they are brought into an order descending by the amount thereof, so that F1>F2>F3 > . . . >Fn, and that the static stability is determined according to the following formula: S = ? i = 3 n ? F i ? i = 1 n ? F i ? S min .
    Type: Grant
    Filed: August 21, 2006
    Date of Patent: May 27, 2008
    Assignee: Liebherr-Hydraulikbagger GmbH
    Inventor: Bernd-Joachim Lehnen
  • Patent number: 7341159
    Abstract: 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 floor. The fall transmitter has speed and travel distance governors that limit the speed and travel of certain aspects of the crane. In a further embodiment, a second fall transmitter is utilized by the second crane operator to assure that both operators are aware of and agree to any crane movement prior to commencing such movement.
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: March 11, 2008
    Inventor: Roger Gail Nelson
  • Patent number: 7236096
    Abstract: 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 tilt by simple left or right manipulation of the switch, and to switch the display from current level of left or right tilt to the value of the preset limit.
    Type: Grant
    Filed: May 24, 2005
    Date of Patent: June 26, 2007
    Inventor: Lynn Chenowth
  • Patent number: 7216024
    Abstract: 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 of which corresponds to an individual wheel (1, 2, 3, 4) are connected to a monitoring device (5) which controls and/or regulates the load lifting system (7) and/or the truck drive system (8) (actuator units for the inclination of a lifting mast (H) and/or the height of the load and/or the truck speed or acceleration and/or the braking intensity and/or the steering angle). The wheel load sensors (R1, R2, R3, R4) are preferably provided on all the wheels (1, 2, 3, 4) and are each integrated into the respective wheel bearing. The monitoring device (5) has an evaluation unit (6) which determines the transverse tipping forces and/or the longitudinal tipping forces and/or the tipping moments and/or the load.
    Type: Grant
    Filed: July 20, 2000
    Date of Patent: May 8, 2007
    Assignee: Linde Aktiengesellschaft
    Inventors: Theodor Abels, Siegfried Iwanowski
  • Patent number: 7209047
    Abstract: 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. The threads of the coupling collar engage the threads of the porthole. A sensor collar is mounted in fixed relationship to the porthole at a predetermined distance from an end of the porthole and includes a status sensor mounted thereto. The status sensor detects a position of the threaded coupling collar to ensure that the piece of processing equipment is properly mounted in the porthole.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: April 24, 2007
    Assignee: Pharmenta Inc.
    Inventor: Douglas A. Newberg
  • Patent number: 7138925
    Abstract: 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 the hoist block, and hoist block loading. The controller can also monitor: cable ton-mile parameters, weight on the drill bit, and drill bit penetration rate. The controller automatically controls operation of the hoist system's drawworks when the system's operation exceeds certain preset and user specified parameters. The controller has a housing containing a microprocessor, supporting circuitry, and input and output systems. An instruction set digitally stored on the microprocessor codes for the functional features of the controller and enables it to process inputs and to generate outputs to accomplish the controller's functions. Device input means and display/alarm means are mounted on the front panel of the housing. A drawworks output communicates drawworks control signals to the hoist system.
    Type: Grant
    Filed: August 4, 2004
    Date of Patent: November 21, 2006
    Inventor: Barry J. Nield
  • Patent number: 7123132
    Abstract: 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 will be able to scan at least one of a plurality of loading/unloading lanes. The truck is scanned when it enters into one of the loading/unloading lanes in order to detect/identify at least one edge of the truck. The distance between the identified edge of the truck and a fixed point on the crane is measured. A signal is generated that enables a truck driver to drive the truck into a required position in the loading/unloading lane for accurately receiving or delivering a container.
    Type: Grant
    Filed: October 26, 2001
    Date of Patent: October 17, 2006
    Assignee: ABB AB
    Inventors: Claes Heidenback, Christer Johansson
  • Patent number: 7106205
    Abstract: 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 end and a second end and extends in length as the first end and the second end are pulled in different directions. The alarm is operatively connected to the first end of the elongating member, and the activation member is releasably connected to the alarm. The activation member activates the alarm when disconnected from the alarm. The connecting member interconnects the activation member and the second end of the elongating member, and the activation member becomes disconnected from the alarm when the elongating member is extended in length as the first end and the second end are pulled in different directions thereby activating the alarm when the elongating member is extended.
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: September 12, 2006
    Assignee: D B Industries, Inc.
    Inventors: James H. Graef, Emmett G. McGregor
  • Patent number: 7034669
    Abstract: 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 material delivery and/or material recovery boom that can be rotated about a vertical axis. The system includes a means for defining an envelope around each boom (5) that moves with the boom, with each envelope forming a boundary of an exclusion zone for the boom. The system also includes a means for detecting an intersection of the boundaries of the exclusion zones and a means responsive to a detected boundary intersection to prevent collision of the machines.
    Type: Grant
    Filed: January 17, 2002
    Date of Patent: April 25, 2006
    Assignee: BHP Billiton Innovation Pty Ltd.
    Inventor: Peter John Lamb
  • Patent number: 7012540
    Abstract: 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 chassis (10), which contains a supporting structure with two front and two rear support struts (20). The support struts can be extended out of a transporting position and into at least one supporting position and each can be supported on a surface (28) by a telescopic supporting jack or foot (26). The working machine additionally comprises a working boom (14), which can be extended out of a transporting position and into working positions that project beyond the chassis, which can rotate about a vertical axis that is fixed with regard to the chassis, and which is preferably provided in the form of a concrete distributing boom. Measuring devices for determining the respective supporting load are arranged in the area of the supporting foot and their output signals are sent to a stability monitoring device.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: March 14, 2006
    Assignee: Putzmeister Aktiengesellschaft
    Inventors: Wolf-Michael Petzold, Stephan Gelies, Dieter Alwes
  • Patent number: 6985085
    Abstract: 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 to the operator, (2) a sensor sub-system for determining the presence of an object in the path of the cranes operating trajectory, and (3) a camera control device that directs and controls the camera to capture images and display the images on the monitor, the images selected by the control device based upon actions taken by the crane operator, or caused by events occurring proximal to the camera boom that are detected by the sensor sub-system. The control device further controls the sensor sub-system to select signals for processing to identify the proximity and direction of movement of the object relative to the crane. If the object is within a pre-defined distance, the control device sends an alarm signal to the monitor.
    Type: Grant
    Filed: April 24, 2003
    Date of Patent: January 10, 2006
    Inventor: Eric Brown
  • Patent number: 6968241
    Abstract: 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 (?) which is formed between a level (42) that is determined by the position of the work device (41) and the direction of the gravitational force (g). The inventive device also comprises an angle transmitter (5) for predetermining an angle (??) which is formed between a level (42) that is determined by the position of the work device (41) and the direction of the gravitational force (g). The inventive device further comprises a controller (3, 4, 6–16) for controlling the angle (?) between the level (42) of the work device (41) and the direction of the gravitational force (g) in such a way that the measured angle (?) matches the predetermined angle (??).
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: November 22, 2005
    Assignee: Brueninghaus Hydromatik GmbH
    Inventors: Reinhard Vonnoe, Michael Brand
  • Patent number: 6965823
    Abstract: 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 monitor, thereby enabling the crane to reach its specified target in a fully or partially automatic manner. Several operating modes, including a training mode, are provided.
    Type: Grant
    Filed: February 7, 2002
    Date of Patent: November 15, 2005
    Assignee: Siemens Aktiengesellschaft
    Inventor: Wolfgang Wichner