Matches 1 - 50 out of 93 1 2 >


Match Document Document Title
US20110100663 AUTO HAMMER  
An auto hammer includes a housing having an upper portion, a head assembly arranged on one end of the housing, a motor mounted within the housing, a switch arranged on the housing for controlling...
US20110240321 POST DRIVER AND PULLER  
A post driving and removal system comprising a base frame for mounting on a mobile base, a gripping apparatus mounted on the base frame and configured to selectively grip a post, and a driver...
US20120145425 POST EXTRACTOR  
There is disclosed a post extractor comprised in a post-pounder, the device having a length and a crosswise extraction hole. The hole may be sized to accept an exposed portion of the post and may...
US20130087356 ROCK DRILLING MACHINE, REMOVABLE CARTRIDGE, STOP RING AND DRILLING RIG  
The invention relates to a rock drilling machine comprising a front part (1a), a removable cartridge (5) arranged in the front part (1a), a shank adapter (3) and a stop ring (4) for the shank...
US20120111593 Fence Post Driver  
A driver 10 for a fence post is disclosed. The driver comprises an elongate hollow body 12 having an open in-use lower end 14. A guide 16 is removably locatable at the lower end.
US20110180289 IMPACT TOOL  
The cover is provided with engaging pieces that engage with a recessed groove provided on the outer peripheral surface of a hammer case and hold the cover on the hammer case to prevent the cover...
US20150158170 Hand-Held Power Tool  
The disclosure relates to a hand-held power tool comprising a percussion mechanism, especially a rotary hammer and/or percussion hammer. According to the disclosure, at least one sensor unit...
US20130118768 DRILL HAMMER AND/OR IMPACT HAMMER HAVING FREE CONVECTION COOLING  
The invention relates to a percussion tool having an internal combustion engine and a hammer mechanism that can be driven by the internal combustion engine by means of a transmission. A part of...
US20120037389 Composite Seal for a Hydraulic Hammer  
A hydraulic hammer (14) may include a housing (30) having a distal end defining an opening (38), a bushing (54) positioned adjacent the housing distal end, the bushing (54) having an inner guide...
US20110108299 AUTO HAMMER  
The invention provides an auto hammer being used between two surfaces perpendicular to each other and closer to the intersecting line of the two surfaces. To this end, the auto hammer comprises a...
US20130228356 POWER TOOLS WITH TITANIUM HAMMER CASES AND ASSOCIATED FLANGE INTERFACES  
Power tools with housings or hammer cases include a thin wall titanium shell tapering from a smaller forward section to a larger rearward section; with at least the rearward section having a wall...
US20110100662 AUTO HAMMER  
An auto hammer includes a housing having a grip, a head assembly arranged on one end of the housing, a motor mounted within the housing, a switch arranged on the housing for controlling the motor....
US20130000934 Power Tool Provided With Circuit Board  
A power tool includes a motor, an impact mechanism, an output unit, a circuit board, a housing, and a power cord. The circuit board includes a power-source circuit board configured to convert...
US20130081837 System and Method for Easy Removal of Hydraulic Hammer Bushing  
A hydraulic hammer having a front head and a lower bushing is disclosed. Also disclosed is a system and method for easily removing the lower bushing from the front head. The front head of the...
US20120024553 Implement and tool for loosening connection elements and kit comprising such implement  
An implement for loosening stuck connection elements includes a striker hammer with a connecting portion for connection to a percussion tool at one end, and a striking surface for imparting an...
US20110024146 HAMMERING TOOL  
A hammering tool includes, within its tool main body, a piston which reciprocates by using a motor as its drive force, a hammering member which carries out its hammering operation in linking with...
US20140144659 DEMOLITION HAMMER WITH REVERSIBLE HOUSING AND INTERCHANGEABLE WEAR PLATE ARRANGEMENT  
A demolition hammer is provided that includes a housing that is reversible and a plurality of interchangeable wear plates. The demolition hammer may include a housing a housing having a first wall...
US20120145424 DEMOLITION HAMMER WITH REVERSIBLE HOUSING AND INTERCHANGEABLE WEAR PLATE ARRANGEMENT  
A demolition hammer is provided that includes a housing that is reversible and a plurality of interchangeable wear plates. The demolition hammer may include a housing a housing having a first wall...
US20070029101 Hammerhead forcible entry tool used to defeat burglar bars  
A forced entry tool is disclosed that includes a two-sided hammerhead and provides a mechanical advantage to breach burglar bars and locks, yet is strong and portable. The two-sided hammerhead...
US20110108298 AUTO HAMMER  
An auto hammer includes a housing having a grip, a head assembly arranged on one end of the housing, a motor mounted within the housing, a switch arranged on the housing for controlling the motor....
US20120325509 Quick Release Socket Attachment For Impact Wrench  
An impact wrench, includes a housing including a handle. A rotating anvil is supported by the housing and includes a polygonal head adapted for receiving a socket thereon. A socket retention...
US20130112447 PORTABLE DRIVING DEVICE  
A portable driving device for permanently driving stakes, survey flags, posts, or the like, of varying sizes and shapes, into the ground. The invention provides for powering the device by a...
US20090222998 Combination hammer and nail driver  
A Combination Hammer and Nail Driver is disclosed. The combination hammer and nail driver provides the benefits of a conventional hammer in addition to the features of a slide hammer (also known...
US20140020920 Flow Control Screen For Use With Hydraulic Accumulator, Hydraulic Hammer Using Same, And Manufacturing Method  
A hydraulic accumulator includes an accumulator housing defining a gas reservoir and a liquid volume. A flexible membrane is positioned within the accumulator housing and separates the gas...
US20150068782 PERCUSSION DEVICE  
The invention relates to a percussion device comprising a percussion mechanism housing which has a receiving bore in which a percussion piston is mounted such that it is movable along the...
US20150000944 Hand-Held Power Tool Device  
A hand-held power tool device comprises an impact tool unit configured to generate a pulse on an insertion tool, and a sensor unit configured to detect at least one of at least one operating...
US20110088922 BATTERY-POWERED POWER TOOLS  
It is an object of the invention to provide a technique for bringing a center of gravity of a battery-powered power tool closer to a working axis of a tool bit in the battery-powered power tool....
US20100326689 STRIKING MECHANISM FOR A HANDHELD ELECTRIC POWER TOOL  
The invention relates to a striking mechanism of a handheld electric power tool, in particular a percussion drill and/or percussion hammer, having a hammer cylinder, a piston mounted with a guide...
US20150000943 Hand-Held Power Tool Device  
A hand-held power tool device comprises an impact tool unit, an impact detection unit, and a blocking detection unit. The impact tool unit is configured to drive an insertion tool at least...
US20140151080 ELECTRIC POWER TOOL  
A drilling tool 1 includes: an attaching portion 15 to which a tip tool is attached; and a housing for holding the attaching portion 15. An inclination sensor 16A for detecting inclination of the...
US20070193757 Ultrasonic/sonic jackhammer  
The invention provides a novel jackhammer that utilizes ultrasonic and/or sonic vibrations as source of power. It is easy to operate and does not require extensive training, requiring...
US20070181320 Fence Post Driver and Remover  
The instant invention, the fence post driver and remover, is comprised of a sliding ram and a stationary ram. The stationary ram is a hollow cylinder. To begin operation of the instant invention...
US20080296034 Percussion Mechanism with a Striking Pin and an Associated Catching Mechanism  
The invention relates to a percussion mechanism (1) of a machine tool, in particular a hand-held machine tool, with a percussive pin (5), which has a region (11) of maximal diameter to which at...
US20090000799 Automatic Drop Hammer  
A drop-hammer apparatus that can repeatedly lift and release a weighted hammer over a specified vertical distance by using a gear with teeth along less than its entire perimeter.
US20090178818 Post Handling Assembly  
According to one aspect of the present invention there is provided a manually operated post handling assembly including: a main body; a post drive means integral with or connected to the main...
US20100077585 PNEUMATIC BATTERING RAM AND METHOD THEREFOR  
A pneumatic battering ram is disclosed. The battering ram has a housing, a pressurized air tank, a ramming head, and a pivotable ramming edge. Air released from the air tank into the housing...
US20090016824 Ground compaction  
The apparatus (10) is a weighted body (12). The first regions (20) taper at a first taper angle, such as 5°. Second regions (22) taper at a greater angle, such as 60°. The ground is compacted by...
US20140008089 Impact driver having an impact mechanism  
In an impact driver including an impact mechanism for percussive driving of an output drive shaft on which is provided a tool receptacle for receiving an inserted tool, the tool receptacle is...
US20050211452 Spring powered hand tool  
A novel manually operated tool adapted to introduce a concentrated impact force to a substrate material, at least includes: a base member having an impact ridge, and the base member having a...
US20130333908 TRANSMISSION HOUSING  
A transmission housing, in particular for a hammer drill and/or percussion hammer, for accommodating a percussion mechanism includes at least one housing part and at least one cover part adjacent...
US20080066582 HAMMER STRUCTURE  
A hammer structure with a hammerhead having an impact face with a shape of the letter “D” is disclosed. The impact face has three straight sides, and one arc-shaped side; as a result, the surface...
US20090000097 Multifunctional tactical device  
A multifunctional tactical device for fire, police, military and other tactical invasive and protective actions includes a main elongated housing having a proximal end and a distal end, and having...
US20120292859 TOOL FOR ADJUSTING SEAL  
A tool is disclosed for adjusting a seal. The tool includes an engagement block. The engagement block defines a slot configured to capture a portion of the seal. The tool further includes an...
US20050082071 Electrical grounding rod driver  
A novel grounding rod driver comprising: a conically shaped member having a distal opening at its narrow end and axially extending channel through its center so as to facilitate attachment to the...
US20100108340 Impact Rapping Device  
An impact rapping device includes a stationary anvil integrated with a surface to be rapped, the anvil having a hammering axis perpendicular to the surface to rapped, a hammer arranged to move...
US20120255749 ROTARY IMPACT DEVICE  
The present invention provides methods and systems for a rotary impact device having an annular exterior surface for use with an impact wrench for providing torque to a fastener. The rotary impact...
US20100300715 HAND-HELD POWER TOOL  
The invention relates to a hand-held power tool having a bearing race inserted into a bearing socket. The bearing socket and the bearing race have recessed ring sectors positioned relative to one...
US20100155093 IMPACT ADAPTER FOR A ROCK DRILL  
An impact adaptor to convert a rock drill to an impact driver is described. The impact adapter has a boom coupling for securing the adapter in co-operating alignment with the shank of a drifter....
US20150174744 IMPACT TOOL  
An impact tool includes a housing, a motor supported in the housing and defining a first axis, an output shaft rotatably supported in the housing about a second axis oriented substantially normal...
US20080173457 Bearing of a breaking device tool  
The invention relates to a method for fitting a breaking device tool with a bearing, a breaking device and a tool bushing. The tool of the breaking device is fitted with a bearing with at least...

Matches 1 - 50 out of 93 1 2 >