Matches 1 - 50 out of 93 1 2 >
Match Document Document Title
7607491 Jackhammer lift assist  
The present invention relates to a lift assist device which is used to alleviate the physical demands for the operation of a heavy percussion power tool, such as a pneumatic jackhammer, by...
7607490 Pneumatic impact tool and method  
A pneumatic impact tool and method includes a cylinder pipe or housing closed with a cover, as well as an impact piston that forms a first pressure chamber between an impact plate and the impact...
7318491 Apparatus and method for modified horizontal directional drilling assembly  
An apparatus and method for a modified horizontal directional drilling assembly for drilling pipe into a drilling surface. The drilling assembly comprises a power unit for supplying power to the...
7165630 Methods for manufacturing operations using non-contact position sensing  
Apparatus and methods for manufacturing operations using non-contact position sensing are disclosed. In one embodiment, an apparatus includes a track assembly adapted to be attached to a workpiece,...
7112018 Automatic position-locking tool carrier apparatus and method  
An automatic position-locking tool carrier apparatus and method include a carriage that rides on a first rail and a second rail translatably connected to the carriage perpendicular to the first...
7104731 Divisible pile sleeve  
A pile driving device for driving in piles, with an axially-guided impact body movable in a hammer housing, an impact hood and a pile sleeve. So that the pile driving device can be transported by...
6926094 Apparatus for manufacturing operations using non-contact position sensing  
Apparatus and methods for manufacturing operations using non-contact position sensing are disclosed. In one embodiment, an apparatus includes a track assembly adapted to be attached to a workpiece,...
6848515 Modular drilling rig substructure  
A process to transport and assemble a drilling or workover rig substructure. The process includes the steps of transporting a driller side substructure section and an off driller side substructure...
6843328 Flexible track drilling machine  
A flexible track drilling machine employs a pair of rails that are flexible in one direction to conform to a non-flat workpiece surface and are substantially stiff in a direction parallel to the...
6752221 Self-supporting pneumatic hammer positioner with universal joint  
A self-supporting pneumatic hammer positioner for effortless command and control by an operator of a pneumatic hammer. The positioner comprises a rigid elongated template having a handle at a first...
6736219 Underground horizontal boring apparatus  
An underground horizontal boring apparatus includes a framework having a pair of guide tracks and a carriage connected to the framework for movement along the tracks. The apparatus includes a...
6698529 Translating turret rock bolter  
A rock bolter has a turret assembly having a positionable base. The base slidably and rotatably engages a cylindrical member on which a feed track support is affixed. A jack rotatably and slidably...
6666282 Impact tool carriage system  
A carriage system supports an impact or driver tool. The carriage system has a support member that extends upwardly from a base platform. Support arms are rotatably connected to the support member...
6497536 Roof support arrangement for mining apparatus and roof bolting equipment  
The invention provides an apparatus ( 2 ) for installing bolts into a mine entry, said apparatus including: a frame ( 8 ) having a forward end ( 20 ), a rearward end and lateral sides; at least one...
6276464 Stake coupler for a horizontal directional drill  
A coupling for quickly and easily attaching and detaching stakes from the drive head of a horizontal directional drill. The coupling includes an upper coupler member and a lower coupler member. The...
6257350 Multiple position staking system for a horizontal directional drill  
A multiple position stakedown assembly for a horizontal directional drill machine which installs stakes into the ground in a variety of different locations with a single drive head. The stakedown...
6213223 Arrangement for supporting rock drilling apparatus  
An arrangement in a rock drilling apparatus comprising supports (5) directed toward the rear part of the feed, the supports being moveable by means of support cylinders (6) to support the feed...
6182772 Apparatus and method for driving posts into the ground  
A portable apparatus for driving a post into the ground is provided in an embodiment. The apparatus has a base removably attachable to the post as well as a hammer module tethered to the base to...
6131674 Gripping apparatus for resisting sliding of drilling machine  
A gripping apparatus for resisting sliding of a drilling machine in first and second directions during drilling operations is provided. The gripping apparatus is pivotably mounted on the anchoring...
6079504 Underground mining drill rig with safety interlock  
A drill rig is provided which has a mobile trolley having a telescopically extendible post for locking it in position relative to the hanging wall in an underground mine. The post supports in...
6073704 Machine support including means for angular control of a supported device  
Supporting clamps for a tool such as, for example, a pile driver machine are used to tilt a machine support relative to a horizontal plane. The clamps include a pair of jaw elements one of which is...
5944263 Dust suppressing misting device for percussive tools  
A selectively attachable dust suppressing misting device for use with percussive tools, such as air hammers or jack hammers, includes a frame having a first tube section connected to a fluid...
5819857 Portable post driving apparatus  
A portable power driven post driver. The post driver has an inner hollow cylinder open at its upper end and adapted to receive a post through a locking mechanism located at its lower end. The inner...
5735647 Tap hole drill for steelmaking vessel  
A drilling apparatus for drilling a worn and/or damaged tap hole refractory liner sleeve from a tap hole nozzle of an oxygen blown steelmaking vessel, the apparatus including an elongated, hollow...
5642786 Securing and tensioning device for a towing cable connected to a percussion boring machine  
A securing and tensioning device for a towing cable that is secured to a percussion boring machine and connects a pipe that is to be pulled in to the boring machine, comprising a thrust member...
5638911 Drilling apparatus and support mount assembly for use therein  
A support mount assembly for use in a drilling apparatus comprises a support member, a connector for removably connecting the support member to a vehicle so that the support member is in a vertical...
5281056 Indexing nose couple  
An indexing coupling for a drill includes a hollow inner race, a hollow outer race, and a sleeve member. The hollow inner race and hollow outer race are affixed to one another by a plurality of...
5273124 Earth drilling apparatus  
An earth drill for use with a vehicle of a type which performs utility pole hole drilling operations is disclosed. The drill attaches to an end of a movable boom mounted on the vehicle. An...
5139092 Quick change torque multiplier adaptor  
A device for coupling a torque driver to a fastener that is to be driven on a workpiece by the driver, and for coupling the driver housing to the workpiece, has two nesting cylindrical barrels, one...
5129464 System for controlling a rock drill  
A rock drill has a normally stationary base, a support movable longitudinally on the base forward toward and backward away from a rock face adjacent the base and having a part engageable forwardly...
5070792 Multi-position travelling carriage with flexible track  
The invention relates to the use of a thin flexible track of spring steel having a series of perforations therethrough for use in conjunction with a variable speed travel carriage having a carriage...
4996907 Pneumatic knocking device  
A pneumatic knocking device comprising an elongate housing (1) in which a spring (9) and a top wall (20) with hole (10) are disposed, further comprising a cover (3) with connecting hole (8), a...
4986370 Pneumatic hammer lift  
An apparatus for lifting a pneumatic hammer from the hammer's work surface. A pneumatic lift attachment is provided having a support housing. Attached to the support housing is a lift plate,...
4974494 Knocking device with autocontrol  
Described is a pneumatic knocking device for knocking dust off bunker walls, comprising a housing (1) which encloses an elongate spring chamber (13) with spring (9), having a vent bore (7), and...
4696351 Assembly robot with reaction absorbing platform  
The robot comprises at least one holder (10) for the parts (11) in an assembly area and a head (1) carrying the assembly tool (21). The head is translatingly and/or rotationally movable with...
4676322 Supporting arrangement for a feed device for a rock drilling machine  
A supporting arrangement for a feed device for a drilling machine of a rock drilling unit (2) comprising a feed device (3) for a drilling machine (4), a cradle (5) supporting the feed device...
4645016 Resonant pile driving system  
A pile driver is described wherein a piston within an internal combustion engine is rigidly coupled to the pile to be driven. The engine is resiliently coupled to the pile so as to move with the...
4594030 Pneumatic-hydraulic drill unit  
A hand-held pneumatic-hydraulic drill unit employs modular drilling and clamp-up assemblies to perform a complete drilling cycle. The drilling cycle consists of: (1) clamping the drill unit to a...
4497378 Drilling and bolting turret  
A turret for mining appliances comprises a girder serving as a guide for a drilling carriage and a bolting carriage, which is mounted to pivot and slide along an axis at the end of a support arm....
4471844 Device for containing and removing drilling slurry  
A device for containing and removing drilling slurry includes a pair of concentric, annular, parallel side walls joined at like edges to an annular end wall to form an annular cavity therein. The...
4440529 Method and means for operating a drill for eliminating axial scratches during retraction  
A drill employed for drilling holes in airframes is provided with means to rotate the drill bit during retraction and means to control the rate of retraction of the drill bit from the hole in a...
4422384 All position tractor  
A tractor assembly for mounting on a track fixed to a workpiece the tractor used to support and guide a metal-working tool along a fixed path, the tractor having three wheels to engage opposite...
4420277 Mine roof driller-bolter apparatus and method  
An apparatus for bolting the roof of an underground mine is disclosed comprising a mobile frame, a boom extending from the frame and a housing provided at the end of the frame. The housing supports...
4403892 Apparatus for driving fasteners and other insertable objects into remote structures  
An apparatus for driving fasteners, drills, bits, and similar insertable objects into ceilings, trusses, and other remote structures, comprises a drive head mounted on one end of an elongate...
4402369 Pneumatic tool  
A percussive-action pneumatic tool comprising a handle-carrying frame having successively accommodated therein a shock-absorber and a housing with the percussion mechanism therein, connected...
4396318 Collet-type drill  
The collet-type drill includes improved clamping means having a pressure foot member that is in engagement with the work piece. The pressure foot member is connected with a drill motor and with a...
4384621 Device for beveling a workpiece edge  
A device for cutting an edge of a workpiece comprising, a drive head having a carrier, a support bracket connected to the drive head for fixing the drive head with respect to the working piece...
4340122 Mounted drilling apparatus  
The drilling apparatus includes a mount in the form of a cylindrical member defining an elongated passageway and being provided with two opposite guiding rails each being formed with an elongated...
4161988 Portable earth core sampling machine  
A portable earth core sampling machine has a principal supporting structure which is an upstanding hydraulic cylinder sub-assembly, comprising, a hydraulic cylinder serving as the principal...
4158315 Track guided carriage unit  
A track guided carriage unit for selectively supporting a variety of work performing devices, tools and the like for movement along a predetermined working path, in which a supporting platform has...
Matches 1 - 50 out of 93 1 2 >