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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


Service jack system

A jack for a vehicle includes a tube configured to be coupled to a chassis, and a cylinder assembly supported by the tube. The cylinder assembly includes a barrel and a rod at least partially received within the barrel. ... Joy Mm Delaware Inc

System and method of detecting dull and worn cutter bits

A mining machine including a chassis, an actuator, a cutter drum supported by the chassis, the cutter drum driven by the actuator, a cutter bit coupled to the cutter drum, and a controller. The controller includes a processor and memory and is configured to measure a characteristic of the actuator, determine the cutter bit is worn based on the measured characteristic of the actuator, and output a signal when the cutter bit is determined to be worn.. ... Joy Mm Delaware Inc

Cutting bit and extraction tool for same

A cutting bit for a bit assembly secured to a cutter head includes a cutting end, a shank extending along a bit axis, and a shoulder positioned between the cutting end and the shank. The shoulder includes an outer edge defining a perimeter, a shoulder end surface defining a shoulder plane, a first inclined surface and a second inclined surface. ... 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 supports a portion of the belt. ... 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. ... Joy Mm Delaware Inc

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. ... 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 cylindrical portions adapted to receive the two spaced apart extension pins. ... 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. The coupled compound planetary transmission includes an input drive shaft, a sun gear rotatable about the rotational axis, a constant velocity joint coupled between the input drive shaft and the sun gear, a first ring gear fixed relative to the transmission housing, a first planet gear enmeshed with the sun gear and the first ring gear, a second ring gear fixed relative to the wheel rim for co-rotation about the rotational axis, a second planet gear enmeshed with the second ring gear, and a shaft coupling the first planet gear and the second planet gear for co-rotation.. ... 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. ... 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. ... 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 a conveyor, and determining, using the processor, the load of the conveyor based on the second signal. ... 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. ... 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. ... 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 the drill element. ... Joy Mm Delaware Inc

01/04/18 / #20180003052

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. ... Joy Mm Delaware Inc

12/14/17 / #20170355529

Conveyor system and method for 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 opposite the first direction; operating the first sprocket in the second direction to position a slack portion between the first sprocket and the second sprocket; and removing at least one chain link from the slack portion.. ... Joy Mm Delaware Inc

11/30/17 / #20170342835

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. ... Joy Mm Delaware Inc

11/30/17 / #20170342830

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. ... Joy Mm Delaware Inc

11/30/17 / #20170342829

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. ... Joy Mm Delaware Inc

11/23/17 / #20170335688

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. ... Joy Mm Delaware Inc

11/09/17 / #20170321550

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. ... Joy Mm Delaware Inc

10/05/17 / #20170282721

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 moving on a surface. ... Joy Mm Delaware Inc

09/28/17 / #20170276777

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. ... Joy Mm Delaware Inc

09/28/17 / #20170275993

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 the detection device. ... Joy Mm Delaware Inc

09/21/17 / #20170266669

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. ... Joy Mm Delaware Inc

08/31/17 / #20170247196

Conveyor support structure and retainer for same

A conveyor support includes a frame, a roller, and a retainer. The frame includes a support arm. ... Joy Mm Delaware Inc

08/31/17 / #20170247070

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. ... Joy Mm Delaware Inc

08/24/17 / #20170241264

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 and includes a first end extendable in a first direction to engage the first mine surface. ... Joy Mm Delaware Inc

08/03/17 / #20170221214

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 and a reference, and using the distance to automatically instruct a mining machine control system to keep a cutter head of the mining machine within a seam.. ... Joy Mm Delaware Inc

07/27/17 / #20170211383

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. ... Joy Mm Delaware Inc

07/20/17 / #20170205252

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. ... Joy Mm Delaware Inc

07/20/17 / #20170203924

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 supports a portion of the belt. ... Joy Mm Delaware Inc

07/20/17 / #20170203636

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. ... Joy Mm Delaware Inc

06/15/17 / #20170167259

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. ... Joy Mm Delaware Inc

06/08/17 / #20170159436

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 passage extending between the first end and the second end. ... Joy Mm Delaware Inc

06/08/17 / #20170159431

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, calculating, by the controller, a desired change in the load profile based on the load profile of the conveyor, and controlling, by the controller, the longwall mining system to adjust the distribution of mineral on the conveyor based on the desired change in load profile.. . ... Joy Mm Delaware Inc

06/01/17 / #20170152746

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. ... 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. ... 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. ... 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. ... 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. ... 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 flange. ... 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. ... 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. ... 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. ... 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 cylindrical portions adapted to receive the two spaced apart extension pins. ... Joy Mm Delaware Inc








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