Patents for E21C 35 - Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups , or (6,127) |
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07/11/2012 | CN202325507U Automatic oiling device for hydraulic system of coal mining machine |
07/11/2012 | CN202325504U 可移动仓储式耙斗装岩机 Removable storage type scraper rock machine |
07/11/2012 | CN202325503U Position adjustment push device for thin coal layer scraper conveyor |
07/11/2012 | CN202325502U 新型采煤机用截割头螺旋滚筒 The new cutting head Shearer Spiral Drum |
07/11/2012 | CN102562066A Method for mechanically mining coal by using steep seam pseudo inclination bracing type retractable flexible shield support |
07/11/2012 | CN102562064A Dust isolation and collection method for fully mechanized excavation face |
07/11/2012 | CN102562063A Chisel holder |
07/11/2012 | CN102562062A Mining device |
07/11/2012 | CN102562061A Roller coal mining machine |
07/11/2012 | CN102562060A Overload protection device for motor of elevating conveyor of development machine |
07/11/2012 | CN102562059A Non-contact monitoring device and non-contact monitoring method for load process of coal-mine excavating mechanical track walking system |
07/11/2012 | CN102562058A Overload protecting device for running wheel of coal mining machine and coal mining machine provided with overload protecting device |
07/11/2012 | CN102562055A Rocker arm and roller transmission structure of roller coal-mining machine |
07/11/2012 | CN102003179B Saw blade type cave development machine |
07/11/2012 | CN101709642B Track-type four-arm rock drilling jumbo |
07/11/2012 | CA2763998A1 Bit holding system with an opening for removal of broken bits |
07/10/2012 | US8215719 Rotatable cutting tool with through coolant |
07/04/2012 | CN202302673U Engineering machine lubricating oil temperature control system and development machine |
07/04/2012 | CN202301686U Shock absorption device and continuous miner using same |
07/04/2012 | CN202300476U 月牙形自动过煤喷雾装置 Crescent automatic spray device over coal |
07/04/2012 | CN202300405U Control system for base plate climbing coal mining machine |
07/04/2012 | CN202300404U Internal spraying system for coal mining machine and coal mining machine |
07/04/2012 | CN202300403U 采煤机喷射范围可调内喷雾装置 Shearer jet spray device within range is adjustable |
07/04/2012 | CN202300402U 一种掘进机铲板本体 One kind of boring machine shovel blade body |
07/04/2012 | CN202300401U 一种掘进机铲板星轮驱动装置 One kind of boring machine shovel-wheel drive |
07/04/2012 | CN202300400U 掘进机装载机构 TBM loading mechanism |
07/04/2012 | CN202300399U Shipping mechanism and continuous miner |
07/04/2012 | CN202300398U 一种矿山耙岩机副绳连接装置 One kind of mine rake rock machine vice rope connecting device |
07/04/2012 | CN202300397U 耙斗及耙矸机 Harrow and rake Refuse machine |
07/04/2012 | CN202300396U 内嵌式金刚石复合截齿头 Embedded diamond composite cutter head |
07/04/2012 | CN202300395U 一种复合式硬质合金采煤截齿 A composite type carbide mining picks |
07/04/2012 | CN202300394U 掘进机水电闭锁装置 TBM hydropower locking device |
07/04/2012 | CN202300393U 一种掘进机机载式施工平台 One kind of boring machine airborne type construction platform |
07/04/2012 | CN102537625A Supporting and fastening device |
07/04/2012 | CN102537222A Coal mining machine and planetary gear transmission mechanism of rocker of coal mining machine |
07/04/2012 | CN102536244A Method for mining coal on automation working face of low-seam shearer loader |
07/04/2012 | CN102536237A Touch automatic control and remote control device for cantilever tunneling machine |
07/04/2012 | CN102536236A Settling, isolating and removing integrated dust prevention method of fully mechanized excavation face |
07/04/2012 | CN102536235A T-shaped guide groove plug-in-type slip shoe frame |
07/04/2012 | CN102536234A Electric control system of thin-seam electric traction coal mining machine |
07/04/2012 | CN102536232A Double-row rack rail type multi-driving traction system for roller type coal mining machine |
07/04/2012 | CN102535269A Adjustable coal mining machine rail |
07/04/2012 | CN101942998B Development machine and floating sealing device thereof |
07/04/2012 | CN101839133B Development machine coal rock identification automatic cutting control method and system |
07/04/2012 | CN101781987B Tunneling and supporting machine |
07/03/2012 | US8210618 Reduced volume cutting tip and cutter bit assembly incorporating same |
06/28/2012 | US20120161493 Method for Producing a Face Opening Using Automated Systems |
06/28/2012 | DE112010003193T5 Nicht drehende Unterlegscheibe für eine Werkzeugpicke und Verfahren zum Schützender Block- und Hülsenoberflächen durch eine solche Unterlegscheibe Non-rotating washer for a tool pick and method for Protective block and sleeve surfaces by such Washer |
06/28/2012 | DE112010001584T5 Aus einem drehbaren Schneidwerkzeug, einem Werkzeughalter und einer Basis bestehendeAnordnung A rotatable cutting tool, a tool holder and a base existing arrangement |
06/27/2012 | EP2467577A1 Method for producing a face opening using automation systems |
06/27/2012 | CN102518669A Design method of shaft sleeve used for rocker arm of coal mining machine |
06/27/2012 | CN102518435A Self locking mechanism of traction scraper bucket steel wire rope used in P-series scraper bucket rock-loading machine |
06/21/2012 | WO2012082136A1 Holder block assembly for a cutting tool having a hydraulic piston and method |
06/21/2012 | WO2012079110A1 Cutting tip and tool |
06/21/2012 | US20120153706 Percussion tool for a demolishing hammer or the like |
06/21/2012 | DE102010054594A1 Shearing unit for extraction machine used in mining industry, has four leg portions that are arranged in machine portion such that two leg portions are driven by rack and pinion while other two leg portions are driven by skid plate |
06/20/2012 | CN102505941A Tunneling machine |
06/20/2012 | CN102501835A Supporting structure and engineering mechanism |
06/19/2012 | US8201893 Quick-change tool holder with transverse hole |
06/19/2012 | US8201892 Holder assembly |
06/14/2012 | WO2012075672A1 High efficiency cutting tooth |
06/14/2012 | US20120146391 Predetermined Failure Mechanism in a Degradation System |
06/14/2012 | US20120146390 Attack tool assembly |
06/14/2012 | US20120146388 Construction Machine, In Particular Road Milling Machine, Miner, Recycler or Stabilizer |
06/14/2012 | DE102010054430A1 Mobile machine i.e. shearer loader, for use in underground mining industry, has legs supported on frame and provided with displacement sensor and/or force sensor for detecting load acting on legs and movement of legs in adjustment direction |
06/14/2012 | CA2819312A1 Face conveyor for extraction plants and trough element for said face conveyor |
06/13/2012 | CN202276305U 一种矿用电牵引采煤机自动控制装置 Ore electric traction shearer automatic control device |
06/13/2012 | CN202273926U 采煤机调高系统 Shearer system |
06/13/2012 | CN202273684U 一种煤矿采煤机的有线指令发送器 One kind of coal shearer wired command transmitter |
06/13/2012 | CN202273683U 一种带控除尘功能的扒渣机 A tape control functions slag removal machine |
06/13/2012 | CN202273682U 可升降式耙斗装岩机 Can lift scraper rock machine |
06/13/2012 | CN202273681U 矿用挖掘装岩机柴电两用液压驱动系统 Mine mining rock loader hydraulic dual diesel-electric drive system |
06/13/2012 | CN202273680U 矿用挖掘装岩机输送驱动装置 Ore mining conveyor drive unit with a rock loader |
06/13/2012 | CN202273679U 滚耙料装置 Roller harrow feeding device |
06/13/2012 | CN202273676U 一种滚筒式采煤机截割部 A drum type shearer cutting unit |
06/13/2012 | CN102498262A Rotatable cutting tool with hard cutting member |
06/13/2012 | CN102498248A Shear resistant excavation component |
06/13/2012 | CN102494117A Internal cooler device for gear transmission cavity on cutting part of coal-mining machine |
06/07/2012 | WO2012074606A1 System and method for controlling a machine at a worksite |
06/07/2012 | WO2012072802A2 Chisel holder, and chisel holder system comprising a chisel holder and a base part |
06/07/2012 | WO2012072801A2 Chisel holder, and chisel holder system comprising a chisel holder and a base part |
06/07/2012 | WO2012072786A2 Chisel holder |
06/07/2012 | WO2012072785A2 Chisel holder |
06/07/2012 | WO2012072783A2 Chisel holder and lower tool part for a chisel holder |
06/07/2012 | WO2011095463A3 Spray nozzle unit |
06/07/2012 | CA2818523A1 System and method for controlling a machine at a worksite |
06/06/2012 | DE102010061019A1 Meißelhalter und Werkzeugunterteil für einen Meißelhalter Toolholders and tool part for a toolholder |
06/06/2012 | CN202266613U 一种采煤机截割部离合器装置 Ministry clutch apparatus shearer cutting |
06/06/2012 | CN202266265U 装岩机卸料槽的可调式后支撑腿 Rock loader chute adjustable rear support legs |
06/06/2012 | CN202266264U 一种具有组合装配结构抗脱落的截齿 Mounting structure having a combination of the anti-off cutter |
06/06/2012 | CN202266263U 一种采煤机安全挡板 One kind of safety barrier Shearer |
06/06/2012 | CN202266262U 掘进机红外线栅栏闭锁装置 TBM infrared fence blocking device |
06/06/2012 | CN202266261U 一种刮板机行人过桥 One kind of scraper pedestrian bridge |
05/31/2012 | WO2012068643A1 A lock for an excavator wear assembly |
05/30/2012 | CN202250158U Mineral water-jet spraying device for removing dust |
05/30/2012 | CN202250085U Fixing device of wheel shaft for locking rock loader and rock loader with the device |
05/30/2012 | CN202250084U Toothed rail pin limit device of coal mining machine |
05/30/2012 | CN202250083U Pick-holder subassembly and heading machine |
05/30/2012 | CN202250082U Guide mechanism of mine machine |
05/30/2012 | CN202250081U Tunneling impulsion shovel guide device of blocking coal shoveling machine |