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Class 37/414 - Condition responsive or programmable means controls the excavating operation


Subclass of Class 37 - Excavating
Definition: Apparatus having means to activate digging means into digging
No. of patents: 96
Last issue date: 06/24/2008


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NumberTitleIssue Date
7392125Working unit control apparatus of excavating and loading machine
The invention provides a working unit control apparatus of an excavating and loading machine which can always judge a start of an excavation control at a proper timing. The working unit control apparatus has excavating state detecting means (43, 44) detecting...
06/24/2008
7379806Method of controlling travel of construction heavy equipment with electronic joysticks
Disclosed is a method for controlling travel of construction heavy equipment with electronic joysticks. The method includes the steps of; inputting a joystick travel function selection signal, first manipulation signals of the joysticks and second manipulation signa...
05/27/2008
7293376Grading control system
A grading control system for a work machine having a work implement for grading along a grade defined by a laser plane generator is disclosed. The system includes tilt and lift actuators associated with the work implement and configured to selectively tilt, raise an...
11/13/2007
7284346Systems and methods for controlling the removal of soil from an earth moving scraper
Hydraulic systems for controlling movement of an apron and a bucket of earth moving apparatuses are disclosed. The hydraulic system includes a hydraulic fluid supply, a hydraulic cylinder for moving the apron, a hydraulic cylinder for moving the bucket and a valve f...
10/23/2007
7222444Coordinated linkage system for a work vehicle
A work vehicle with a tool pivotally attached to a linkage, an actuator for controllably moving the tool about its pivot, and a tilt angle sensor for sensing the absolute angle of the work tool relative to the earth. A controller is adapted to perform an auto-hold f...
05/29/2007
7185449System for controlling the hydraulic actuated components of a truck
A system for controlling the hydraulically actuated components, including snow-ice control components carried by a truck. The system employs a hermetically secure composite housing mounted externally of the truck cab on the truck frame which retains a unique hydraul...
03/06/2007
7142967Features of main control computer for a power machine
The present invention is directed to a computer based control system for controlling hydraulic and electromechanical actuators on a power machine, such as a skid steer loader. The computer based control system is configured to implement a number of features to enhan...
11/28/2006
7121355Bulldozer autograding system
A dozer blade control system controls the position of a bulldozer blade, maintaining the blade at a constant position as the dozer travels through a worksite. The control system monitors the angle of the dozer blade with respect to the earth and when it senses that ...
10/17/2006
7113105Work machine display system
A display system and method for a work machine is provided. A terrain map indicative of a current surface configuration for a geographic location is displayed. The display of the terrain map includes a plurality of elevation segments. Each of the plurality of elevat...
09/26/2006
7093383Automatic hydraulic load leveling system for a work vehicle
A machine has a boom, that is pivotally raised and lowered by a first cylinder, and has a load carrier that is pivoted at the end of the boom by a second cylinder. As a machine operator commands movement of the boom, the position of the load carrier is automatically...
08/22/2006
7089721Modular vehicle system having engine unit and mower unit for communication therewith
A modular vehicle system comprises an engine unit and an engine management controller associated with the engine unit. A throttle actuator is associated with the engine management controller to control a throttle setting of an engine unit. A mower unit is associated...
08/15/2006
7079931Positioning system for an excavating work machine
A system and method for determining a position of a work tool of a work machine is provided. A desired surface configuration for a geographic location is identified. A mode of operation for the work machine is selected from one of a first mode and a second mode depe...
07/18/2006
7076896Control for an operating arm of an earthmoving vehicle
An earthmoving vehicle has an operating arm that is raised and lowered by a hydraulic system. The hydraulic system includes a drain line and at least one actuator connected to the operating arm. The actuator defines a variable-volume chamber connectable to the drain...
07/18/2006
7069673Hybrid construction equipment power control apparatus
Maximum charging power of a battery (63) is set by a battery-charging power setting unit (75), while maximum discharging power of the battery (63) is set by a battery-discharging power setting unit (76). Lower and upper limit of generator...
07/04/2006
7047687Fishing float for positioning, detecting fish catch and lighting
An inductive device for fishing. The device includes an inductive circuit board, an inductive coil, an inductive shaft and a spring. The device includes of a lighting circuit board, a plurality of LEDs and a pedestal. In the process of sea fishing, since the float b...
05/23/2006
7040044Method of modulating a boom assembly to perform in a linear manner
A method of modulating a boom assembly to perform in a linear manner. The boom assembly includes a boom and a stick. The method comprising the steps of sending at least one lever signal to a control device indicative of operator desired direction and desired velocit...
05/09/2006
6980895Electronic control system for agricultural vehicle
An electronic control system for use in an agricultural vehicle having a hitch for towing an implement. The control system controls any one or more of a plurality of sub-systems relating to the vehicle operation. The electronic control system includes a memory, a re...
12/27/2005
6971195Hydraulic circuit of excavating and slewing working vehicle
A hydraulic circuit of a excavating-and-slewing working vehicle, comprising: actuators for a boom, a bucket, slewing and an arm; directional control valves for the respective actuators; a pair of first and second hydraulic pumps for supplying pressure oil to the act...
12/06/2005
6970801Control system or process for the automatic control of a moveable bucket wheel device
A control system, or process for the automatic control of a moveable bucket wheel device for the reducing of a stockpile and/or for the piling up of bulk goods, whereby the bucket wheel device has a least one bucket wheel for the takeup of bulk goods, at least one m...
11/29/2005
6968241Device 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 (α) which is formed between a level (42) that is...
11/22/2005
6968264Method and system for controlling a mechanical arm
A system and method for controlling a mechanical arm comprises planning a desired path of a mechanical arm. An actual path segment of the mechanical arm is measured. An error is determined between the measured actual path segment and the planned desired path. A corr...
11/22/2005
6951067Method and apparatus for controlling positioning of an implement of a work machine
An apparatus for controllably positioning a work implement of an earth moving machine is disclosed. The work implement includes a boom and an attachment being attached thereto where the boom is actuated by a hydraulic lift cylinder and the attachment is actuated by ...
10/04/2005
6931772Hydraulic shovel work amount detection apparatus, work amount detection method, work amount detection result display apparatus
During transfer of a material by a hydraulic excavator, load computing means periodically computes the weight of the material in a bucket of the excavator. Average value computing means computes an average value of weights of the material including a currently compu...
08/23/2005
6934616System for determining an implement arm position
A control system for determining a position of an implement arm having a work implement is disclosed. The implement arm includes mating components connected by at least one joint. The control system includes at least one position sensor operably associated with the ...
08/23/2005
6915600Hydraulic circuit of excavating and slewing working vehicle
A hydraulic circuit of an excavating and slewing working vehicle of two pump system, wherein a directional control valve for slewing and a directional control valve for arm are tandem-connected to the upstream side and downstream side of the delivery oil passage of ...
07/12/2005
6898877Heavy equipment safety device
A backhoe (100) has a hydraulic cylinder (316, 317) with a piston (318, 319) that rotates a rotatable boom (108). A lockable slider block (322) slides on the piston. Movement of the lockable slider block in one direction is caused ...
05/31/2005
6895699Heavy equipment safety device
A backhoe (100) has a hydraulic cylinder (316, 317) with a piston (318, 319) that rotates a rotatable boom (108). A lockable slider block (322) slides on the piston. Movement of the lockable slider block in one direction is caused ...
05/24/2005
6851207Construction machinery
First and second hydraulic pumps each adapted to operate plural actuators are activated by separate electric motors respectively. In accordance with signals provided from a controller on the basis of operations of levers, the number of revolutions of the electric mo...
02/08/2005
6836982Tactile feedback system for a remotely controlled work machine
A control system for a work machine having a hydraulic actuator is provided. An input device generates a movement signal to control the movement of the hydraulic actuator. A sensor senses a parameter indicative of a magnitude of a force exerted by the hydraulic actu...
01/04/2005
6836981Hydraulic control circuit for boom cylinder in work machine
A hydraulic control circuit for a boom cylinder in a work machine, which, when controlling supply and discharge of pressurized oil with respect to a boom cylinder, improves fuel efficiency, work efficiency in combined operations, and improves work efficiency and ope...
01/04/2005
RE38665Wireless snow plow control system
A snow plowing system utilizing a wireless radio remote control to control a snow plow mounted to the front of a vehicle. The plowing system comprises a snow plow blade, mounting mechanism connected to the vehicle for mounting the snow plow blade to the vehicle, the...
12/07/2004
6820356Hybrid powered construction equipment
Hybrid powered construction equipment is capable of making effective use of the output energy of an engine; increasing operating speed while keeping noise level low, and assuring operation power more than the performance of the engine. To this end, the hybrid powere...
11/23/2004
6820355Hydraulic control circuit of boom cylinder in work machine
A hydraulic control circuit of a boom cylinder for a work machine, which, when controlling the supply and discharge of pressurized oil with respect to a boom cylinder, improves fuel efficiency, work efficiency in combined operations, and work efficiency and operatio...
11/23/2004
6819993System for estimating a linkage position
A system and method for estimating the position of a mechanical linkage is disclosed. An estimated position of a mechanical linkage is set to an initial position. The movement of the mechanical linkage is controlled based on a signal from an input device. The estima...
11/16/2004
6739078Machine control over the web
A system to control a piece of construction equipment or other piece of heavy equipment at a remote location via a data network in which a user provides movement instructions via a graphical user interface at a user PC to a programmable controller interfaced to the ...
05/25/2004
6732458Automatically operated shovel and stone crushing system comprising same
An automatically operated shovel, which includes a power shovel and an automatic operation controller 50 for making the power shovel reproduce a series of taught operations ranging from digging to dumping, is characterized in that the automatic operation cont...
05/11/2004
6718245Electronic control system for construction machinery
A system having a monitoring function in addition to a control function is able to suppress an increase in the amount of data communication and the communication frequency via a common communication line, and is flexibly adaptable for the addition of a new function ...
04/06/2004
6701239Method and apparatus for controlling the updating of a machine database
A method and apparatus for updating a machine database. The database includes data representing the desired and actual terrain of a work site. Additional data represents portions of the work site which have been further worked. An indicator detects the ma...
03/02/2004
6691435Plow system including a hydraulic fluid diverter
A snow plow system for use with a skid steer loader includes a V-plow blade that is repositionable by a hydraulic actuator operated by pressurized hydraulic fluid supplied to the actuator from the auxiliary hydraulic output of the skid steer loader. A nor...
02/17/2004
6691010Method for developing an algorithm to efficiently control an autonomous excavating linkage
The present invention is a control system for controlling movement of a work implement from a dig location to a dump location. The work implement has at least four degrees of freedom defined by a swing joint angle θswing, a boom joint angle θ...
02/10/2004
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