|
Match
|
Document |
Document Title |
|
|
8091650 |
Power tool guard
A power tool including a power tool body, a rotatable driven member being operable for releasably gripping a working element and having a front end and a rear end, the driven member extending from...
|
|
|
7828077 |
Rotary angle tool
A rotary angle tool is provided for driving a fastener while controlling the rotational speed of the chuck by varying the pressure or force of the tool against the fastener. The tool includes an...
|
|
|
7681660 |
Arrangement for positioning drilling unit
A method and a software product for positioning a drilling unit in a rock drilling rig, and a rock drilling rig. The drilling unit (5) included in the rock drilling rig (1) is manually displaced...
|
|
|
7628219 |
Handle with detecting unit
A handle for an electric hand tool, which in use, is detachably connected to the hand tool as an auxiliary handle (2), includes at least one detection device (6), which communicates with at least...
|
|
|
7540335 |
Adjustable handle for a power tool
A power tool comprising a housing, an output shaft driven by an electric motor for driving a working piece and an adjustable handle. An elongate supporting wall of the housing extends slantwise...
|
|
|
7303028 |
Adjustable handle for a power tool
The present invention relates to a power tool comprising: a housing and a handle engaged with the housing, wherein the rear portion of the housing is provided with an arcuate track. The handle is...
|
|
|
7298101 |
Continuously variable frequency swinging armature motor and drive
Disclosed herein is a power device. The power device has a power source; timing circuitry powered by the power source for producing a current pulse output having a pulse width; a switch for...
|
|
|
7198116 |
Wholly air-controlled impact mechanism for high-speed energy-accumulating pneumatic wrench
A wholly air-controlled impact mechanism invented for creating a more compact and powerful pneumatic wrench comprises a flying hammer, a pressure impulse generator and a pressure container...
|
|
|
6854538 |
Rock drill
A rock drill includes a shank. A percussion piston is arranged to hit the back end of the shank. Further, a pulling element is arranged around the shank, to which a pulling force can be directed in...
|
|
|
6741051 |
Power tool trigger control
A trigger controller for an electric power tool including a motor and a pull-trigger movable along a path having a foremost home position comprises a mechanical switch and a solid-state switch...
|
|
|
6296064 |
Axially loaded drive tool
A drive tool having a top portion which is engageable with a drive source and a lower portion engageable with a fastener. The drive tool includes an axial load assist mechanism configured to urge...
|
|
|
5996874 |
Contact arm locking mechanism for screw driving machine
A screw driving machine in which a screw having a head is screwed into a work, includes: a body; a nose section positioned toward the work with respect to the body, the nose section holding the...
|
|
|
5850884 |
Moling apparatus
A moling apparatus comprises a housing having a head for penetrating ground, an anvil in the housing connected to the head, and a hammer in the housing and spaced therefrom by a spring. A vibrator...
|
|
|
5170850 |
Ratchet operated device for setting a post having an auger attached at one end
Ratchet operated device for setting a post having a helical auger thread disposed at one end. The ratchet operated device has an annular sleeve with an annular series of teeth disposed on its...
|
|
|
4778014 |
Ventilating means
This invention is a machine for ventilating roof decks which, without such ventilation, entraps moisture which leads to reduced insulating capacity, deterioration and the like. This ventilating...
|
|
|
4776406 |
Motor-driven hand tool for drilling or impact drilling operations
A motor-driven hand drill includes a housing, in which between a motor and a drill receptacle, a safety coupling for limiting a torque, applied to a drill, is positioned. For specific conditions,...
|
|
|
4773487 |
Speed limiter for an air powered tool
A speed limiter for setting the speed of an air tool has a flow passage body which screws into the air inlet of the tool. The body defines an axial air flow path therethrough with an annular land...
|
|
|
4648756 |
Two speed automatic shift drill
An automatic shift drill for rotationally driving a bit into a laminated workpiece at one of two speeds according to the depth of the bit in the workpiece is disclosed. A cam block element has flag...
|
|
|
4558747 |
Impact devices
A pair of rotating flywheels which engage a ram for moving a tool which impacts a part, such as a nail to be driven, are rotated in opposite directions from a single motor or other rotating means,...
|
|
|
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...
|
|
|
4308922 |
Impact device
An impact device comprises a cylindrical casing accommodating a hammer piston imparting blows to a working tool, which reciprocates under the action of compressed air admitted from a compressed air...
|
|
|
4105081 |
Rock-drilling and bolt-setting apparatus
A bolt-setting and rock-drilling apparatus has a rail which can be swung about and axis and axially displaced therealong to position a drilling carriage and a bolt-setting carriage alternately with...
|
|
|
4087010 |
Apparatus for mounting a hand-held paving breaker on backhoe attachments
An apparatus for removably mounting a hand-held tool such as a pavement breaker or tamper releasably on the wrist linkage of the bucket for a backhoe attachment for a tractor or truck including an...
|
|
|
3939925 |
Throttle valve construction for a percussion tool
A throttle valve construction for a pneumatic paving breaker and other types of percussion tools employing a reciprocating piston to impart blows to a work steel or the like is disclosed, wherein...
|
|
|
3802517 |
SCREWDRIVERS AND LIKE TOOLS
A handtool, such as a screwdriver, has a helically threaded shaft rotated by axial movement of a nut engaged thereon and driven by a reciprocable piston actuated by fluid, e.g. air, under pressure,...
|
|
|
3734460 |
AUTOMATIC SETTING MOTION-SENSING CONTROL DEVICE
An automatic setting motion-sensing control device in the form of a sensing air valve which closes and sets its initial measurement point upon engagement with a workpiece and then opens upon a...
|
|
|
3727700 |
PNEUMATICALLY PERCUSSIVE TOOL HAVING A VIBRATION FREE HANDLE
A pneumatically percussive tool having a handle isolated from the body of the tool so that vibrations of a reciprocating hammer in the body are not transmitted to the handle. This is accomplished...
|
|
|
3497017 |
IMPACTING MACHINE USING DYNAMIC REACTION FORCE
|
|
|
3456738 |
PORTABLE TOOL
|
|
|
3434548 |
DOWN-THE-HOLE ROCK DRILL WITH FLUSHING FLUID BYPASS CONTROL
|
|
|
3272267 |
Walking stick for fastening tool
|
|
|
3241622 |
Means for preventing idle operation of percussion tools
|
|
|
3223181 |
Vibrationless air hammer assembly
|
|
|
3195658 |
Air return system for air feed drill
|
|
|
3169584 |
Rock drilling apparatus
|
|
|
3099186 |
Marking device
|
|
|
3082742 |
Torque tool control
|
|
|
3064626 |
Power-driven stapling machine
|
|
|
2905149 |
Rotary tool construction
|
|
|
2826176 |
Fluid motors for fastener inserting devices
|
|
|
2795981 |
Riveting machine
|