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Joy Mm Delaware Inc
Joy Mm Delaware Inc_20100107

Joy Mm Delaware Inc patents


Recent patent applications related to Joy Mm Delaware Inc. Joy Mm Delaware Inc is listed as an Agent/Assignee. Note: Joy Mm Delaware Inc may have other listings under different names/spellings. We're not affiliated with Joy Mm Delaware Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "J" | Joy Mm Delaware Inc-related inventors


Rock cutting device

A rock excavating device includes a shaft and a cutting element. The shaft includes a first portion and a second portion connected to an end of the first portion. The first portion is rotatable about a first axis. The second portion extends along a second axis that is oblique with... Joy Mm Delaware Inc

Machine supporting rock cutting device

A machine for excavating rock includes a frame, a cutting device, and a boom. The cutting device includes a cutting disc having a cutting edge, and the cutting disc is rotatable about a cutting device axis. The boom supports the cutting device and includes a first end, a second end,... Joy Mm Delaware Inc

Coupled compound planetary transmission for a wheel unit

A wheel unit includes a suspension housing having a pin defining a steering axis, a transmission housing pivotable about the steering axis, a wheel rim rotatable about a rotational axis and configured to pivot about the steering axis, and a coupled compound planetary transmission drivingly engaged with the wheel rim.... Joy Mm Delaware Inc

Sound dampening conveyor chain flight

A conveyor flight for a chain comprising at least two spaced apart links, and two side plates that connect the links, with each side plate including two spaced apart extension pins extending from the side plate. The flight comprises a metal support, and the metal support includes two spaced apart... Joy Mm Delaware Inc

Cutting device and support for same

A cutting assembly for a rock excavation machine having a frame includes a boom and a cutting device supported on the boom. The boom includes a first portion and a second portion, the first portion supported for pivotable movement relative to the frame. In some embodiments, the first portion includes... Joy Mm Delaware Inc

Mining machine with articulating boom and independent material handling system

A cutting assembly for a rock excavation machine including a frame. The cutting assembly includes a boom supported on the frame and a cutting device. In some aspects, the boom includes a first portion and a second portion, and the first portion includes a first structure and a second structure... Joy Mm Delaware Inc

Controlling an output of a mining system

Controlling an output of a mining system. The control includes receiving, at a processor, a first signal associated with a position of the shearer, determining, using the processor, the position of the shearer based on the first signal, receiving, at the processor, a second signal associated with a load of... Joy Mm Delaware Inc

Adjustable idler support system for conveyor belt

An idler support assembly is configured to support a conveyor belt thereon. The idler support assembly includes a frame having a first end and a second end, and a first idler roller coupled to the frame between the first and second ends. The first idler roller is configured to rotate... Joy Mm Delaware Inc

Electric drilling and bolting device

A drilling and bolting device for driving a drill element into a rock surface includes a frame, a drive unit supported for movement relative to the frame, and an actuator for moving the drive unit relative to the frame. The drive unit includes a motor and a chuck for engaging... Joy Mm Delaware Inc

Conveyor bridge

A conveyor includes an endless belt, a boot end supporting a portion of the endless belt, a support structure, and a bridge. The endless belt includes a first run and a second run, and the first run extends along a conveyor axis. The support structure includes an end spaced apart... Joy Mm Delaware Inc

Cutting bit assembly

A cutting bit assembly includes a block, a bit sleeve, and a seal. The block includes a first bore and a fluid passage. The fluid passage includes a first portion and a second portion in fluid communication with the first portion. The first portion is oriented obliquely with respect to... Joy Mm Delaware Inc

Conveyor removing slack in conveyor

A method is provided for removing slack in a chain conveyor driven between a first sprocket and a second sprocket, the first sprocket and the second sprocket rotating in a first direction. The method includes: locking the second sprocket to prevent rotation of the second sprocket in a second direction... Joy Mm Delaware Inc

Cutting device with wear elements

A cutting device for a cutting head includes a disc, a plurality of cutting elements secured to the disc, and a plurality of wear elements secured to the disc. The disc rotates about an axis of rotation, and the disc includes a peripheral edge. The cutting elements are spaced apart... Joy Mm Delaware Inc

Cutting head having segmented cutting disc

A cutting device for engaging a rock face includes a disc body supported for rotation about an axis of rotation, and a plurality of peripheral portions removably secured to the disc body. Each of the peripheral portions including a plurality of cutting bits positioned on a peripheral edge. The peripheral... Joy Mm Delaware Inc

Cutting device with tapered cutting element

A cutting device for cutting rock includes a disc and a plurality of cutting elements secured to the disc. The disc is supported for rotation about an axis of rotation, and the disc includes a peripheral edge extending around the axis of rotation. The plurality of cutting elements are spaced... Joy Mm Delaware Inc

Roof support monitoring for longwall system

A monitoring device and method for monitoring a longwall mining system having a roof support, the roof support including a pressure sensor to determine pressure levels of the roof support during a monitoring cycle. Pressure information is obtained for the roof support. An electronic processor then determines whether the pressure... Joy Mm Delaware Inc

Systems and methods for fluid delivery in a longwall mining system

A fluid delivery system for a longwall shearer. The fluid delivery system includes a flow control device and an electronic processor. The flow control device is in fluid communication with a nozzle positioned on the shearer, and in fluid communication with a fluid source. The electronic processor is coupled to... Joy Mm Delaware Inc

Horizon monitoring for longwall system

A method of monitoring a longwall shearing mining machine in a longwall mining system, wherein the shearing mining machine includes a shearer having a first cutter drum and a second cutter drum, includes receiving, by a processor, shearer position data over a shear cycle. The horizon profile data includes information... Joy Mm Delaware Inc

Systems and methods for tensioning a conveyor in a mining system

A method of tensioning a conveyor element of a conveyor. The method includes generating, with a proximity sensor, an output signal indicative of the conveyor element being under-tensioned, receiving the output signal from the proximity sensor, and activating a solenoid-controlled valve to an open state in response to receiving the... Joy Mm Delaware Inc

Overhead power grid for mobile mining machines

A vehicle is provided that connects to an power structure for powering and guiding the vehicle. The power structure includes a trolley, a track along which the trolley runs, a power source connected to the track, and a cable connected to the trolley and configured to attach to the vehicle... Joy Mm Delaware Inc

Longwall system face alignment detection and steering

Systems and methods are provided for detecting face alignment and face steering of a longwall mining system. The system includes a detection device mounted in a maingate roadway and a first indicator device mounted on a shearer of the longwall mining system to indicate a position of the shearer to... Joy Mm Delaware Inc

Longwall system creep detection

Systems and methods are provided for detecting face creep of a longwall mining system. The system includes a detection device mounted in a maingate roadway and coupled to the detection device. The controller determines the position of the beam stage loader-armored face conveyor interface based on a signal from the... Joy Mm Delaware Inc

Pick with limited tapered engagement

A pick system includes a holder and a pick assembly. The holder includes a first end, a second end, and a bore extending between the first end and the second end and defining a longitudinal axis. The surface of the bore may be tapered so that the diameter of the... Joy Mm Delaware Inc

Crawler track

A crawler track includes a link and is driven in a direction of travel by a sprocket having a plurality of teeth. The link includes a pad, a first grouser, and a second grouser. The pad defines a first surface, a second surface opposite the first surface, a first end,... Joy Mm Delaware Inc

Conveyor support structure and retainer for same

A conveyor support includes a frame, a roller, and a retainer. The frame includes a support arm. The roller includes a shaft and a shell supported for rotation relative to the shaft, and the shaft includes an end. The retainer releasably secures the end of the shaft relative to the... Joy Mm Delaware Inc

Stabilization system for a mining machine

A mining machine including a frame, a cutting head moveably coupled to the frame and pivotable about an axis that is substantially perpendicular to a first mine surface, and a first actuator for stabilizing the frame relative to the first mine surface. The first actuator is coupled to the frame... Joy Mm Delaware Inc

Imaging-based interface sensor and control device for mining machines

Systems, methods, and computer-readable medium containing instructions for controlling mining machines. One system includes an image sensor for capturing an image of a cutting face of a mine and interface sensing and control system for obtaining the image, identifying an anomaly in the image, calculating a distance between the anomaly... Joy Mm Delaware Inc

Mining machine with multiple cutter heads

A mining machine includes a frame, a boom supported for pivoting movement relative to the frame, and a cutter head pivotably coupled to the boom. The cutter head includes a housing, a cutter shaft coupled to the housing, a cutting disc, and an excitation mechanism. A second portion of the... Joy Mm Delaware Inc

Debris barrier for vehicle operator cab

A vehicle including an operator cab having a frame defining an opening and a permeable material sheet mounted adjacent the frame to at least partially cover the opening. The permeable material sheet has a plurality of apertures. The operator cab further includes an air nozzle positioned proximal to the opening... Joy Mm Delaware Inc

Take-up mechanism for conveyor system

A tensioning mechanism for a conveyor system includes a first end including a drive unit, an anchor structure, a continuous belt extending at least partially between the drive unit and the anchor structure, a first carriage, and a second carriage. The first carriage is coupled to the drive unit and... Joy Mm Delaware Inc

Support structure for rotary sensor

A rotary sensor includes a rotor and a housing. A support structure includes a shaft, a housing portion, a first member, and a second member. A first end of the shaft is coupled to the rotor, and the shaft is supported for rotation about a shaft axis. The housing portion... Joy Mm Delaware Inc

Guide shoe for mining machine

A guide shoe for a mining machine includes an elongated shoe body, a slot, an insert coupled to the shoe body, and a retainer secured to the shoe body. The shoe body includes a first end, a second end, a first wall, and a second wall. The slot extends between... Joy Mm Delaware Inc

Longwall optiminzation control

A method of controlling a longwall mining system, the longwall mining system including a longwall shearer, a conveyor, and a plurality of roof supports, such that the method includes creating, by a controller, a load profile of the conveyor representing a distribution of mineral along a length of the conveyor,... Joy Mm Delaware Inc

Spray nozzle for underground roof support

A fluid spray for an underground roof support includes a first housing portion, a spray outlet, a second housing portion formed integrally with the first housing portion, and a service port. The first housing portion includes an elongated shaft having a first end, a second end, and a first fluid... Joy Mm Delaware Inc

Advancing ram pin retention device

A pin retaining assembly for an advancing ram includes a retention plate and a retainer. The retention plate includes two oppositely facing surfaces and a channel with a notch between the two surfaces. The retainer includes a main body, a pin receiving slot, and at least two flanges. The main... Joy Mm Delaware Inc

04/27/17 / #20170114639

Controlling a conveyor in a mining system

A conveyor for a mining system. The conveyor includes a sprocket, a chain, a drive mechanism, a hydraulic cylinder, and a controller. The chain is associated with the sprocket and has a top chain portion and a bottom chain portion. The drive mechanism is coupled to the sprocket and is... Joy Mm Delaware Inc

04/13/17 / #20170101270

Brake system for conveyor take-up mechanism

A tensioning mechanism for a conveyor system includes a support structure, a first carriage, a second carriage, and a brake mechanism. The first carriage is positioned proximate a first end of the support structure and is supported for movement relative to the support structure. The first carriage includes first rolls... Joy Mm Delaware Inc

03/30/17 / #20170089197

Shield for sumping frame of mining machine

A mining machine includes a chassis, a boom, a cutting head, and a shield supported for movement relative to the chassis. The chassis includes a first end and a second end, and defines a longitudinal axis extending between the first end and the second end. The boom includes a first... Joy Mm Delaware Inc

03/16/17 / #20170074097

Trapping shoe lubrication system

A system for guiding movement of a chassis of a mining machine along a rack includes a shoe and a fluid line for receiving fluid from a fluid source. The shoe is configured to be coupled to the chassis and slidably engage the rack. The shoe is configured to extend... Joy Mm Delaware Inc

02/09/17 / #20170036862

Winch drum tension isolation system

A winch drum tension isolation system includes a winch drum including an outwardly extending flange, the flange including a plurality of holes spaced along the flange. The winch drum tension isolation system also includes a locking mechanism positioned proximate the winch drum and including a locking member engageable with the... Joy Mm Delaware Inc

02/02/17 / #20170030192

Systems and methods for monitoring extraction height and volume of material extracted for a mining machine

Systems and methods for monitoring extraction height and volume of material extracted for a mining machine. The method includes operating the machine using a shearing motion at a plurality of cut locations. The method includes receiving boom height data and power consumption data. The method includes determining a cut start... Joy Mm Delaware Inc

01/12/17 / #20170009577

Bit configuration for a cutter head

A cutter head for a mining machine includes a drum defining a drum axis with a drum plane extending perpendicular to the drum axis. The cutter head includes a plurality of cutting bit assemblies secured to an outer surface of the drum proximate a first end. Each cutting bit assembly... Joy Mm Delaware Inc

01/05/17 / #20170001805

Sound dampening conveyor chain flight

A conveyor flight for a chain comprising at least two spaced apart links, and two side plates that connect the links, with each side plate including two spaced apart extension pins extending from the side plate. The flight comprises a metal support, and the metal support includes two spaced apart... Joy Mm Delaware Inc

01/05/17 / #20170002657

Cutter head for mining machine

A cutter head includes a first member, a cutting bit, and a second member. The first member includes a first end and a second end and includes a first mass. The cutting bit is coupled to the first member proximate the second end. The cutting bit includes a cutting edge... Joy Mm Delaware Inc








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