|
Match
|
Document |
Document Title |
|
|
7568529 |
Drill tool
A drill tool is provided with: a drive source accommodated in a tool body 2; a bit drive shaft 3 which is rotation-driven by the drive source and provided projectingly from a front end of the...
|
|
|
7273159 |
Cordless power tool system with improved power output
An ergonomically efficient cordless power tool system having desired power-to-weight ratios may be configured by reducing weight in one or more constituent weight groups of a given cordless power...
|
|
|
6848749 |
Device for the removal of the surface layer of a wall or ceiling
It is suggested to machine contaminated surfaces, in particular radioactively contaminated concrete surfaces and masonry with pneumatically actuated striking tools. It has been shown that this is...
|
|
|
5316415 |
Power drill adapter for sawing operation with a saw blade transmission
A power drill with a saw blade transmission including a motor fastened inside a housing to turn a drill, a driven gear meshed with a drive gear mounted on the output shaft of the motor, a channel...
|
|
|
5261135 |
Screw gun router for drywall installation
An improvement is provided in a screw gun used in the drywall installation industry. The improved screw gun has a conventional screw driving head at the forward end of the gun. A drive shaft...
|
|
|
5111801 |
Apparatus for forming slit in rock and concrete surface
An apparatus for forming a slit in a rock and a concrete surface has a simple construction to enable a deep slit having a predetermined width and smooth inner surface to be made efficiently and...
|
|
|
5033555 |
Fluid cylinder powered tool
An apparatus for providing a reciprocating motion. The apparatus has a housing block that contains two movable arms in spaced apart relationship to one another. The movable arms are each controlled...
|
|
|
4889192 |
Tractor-controlled hammer assembly
An apparatus for supporting conventional hand-held pneumatic breakers in such a way as to break a concrete slab down to the desired precise depth. The slab can be a building floor, bridge deck, or...
|
|
|
4858701 |
Fluid-powered impact device and tool therefor
A percussion tool usable as part of a single tool impact device or a multi-tool impact device. In each case, the tool is rotatably driven by a high-torque rotary actuator with the tool being...
|
|
|
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...
|
|
|
4739836 |
Arrangement for use in surface treatment
The present invention relates to an arrangement for use in surface treatment. The arrangement includes at least two elongate operating members, the underside of the operating members either being...
|
|
|
4681170 |
Rock drills for drilling continuously arrayed bores
A rock drill for drilling a plurality of arrayed continuous bores includes a plurality of rods positioned so as to be able to drill several arrayed continuous bores, a rotating member to give...
|
|
|
4334439 |
Power transmission device for plural power-driven hand-held tools
A power transmission device for enabling each of a plurality of separate tools having a respective operating gear and an associated power-transmitting wire connected thereto, to be selectively...
|
|
|
4148366 |
Variable speed auger for use with a skid steer vehicle
A hydraulically actuated auger is adapted for mounting on a skid steer vehicle. The auger includes a hydraulic drive motor for driving the main drive shaft of the implement as well as an auxiliary...
|
|
|
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...
|
|
|
4102409 |
Rock drilling machine
A rock drilling machine, e.g. for drilling with a diamond core bit, has a first power rotated chuck for gripping the drill string. The first chuck can be swung offset the drilling axis into a...
|
|
|
4007795 |
Attachment for a rotary-hammer tool
A power tool includes manually operated selector means for alternately establishing rotary-hammer and hammer-only modes of operation for the associated drill bit. The attachment is in the form of...
|
|
|
3972375 |
Auger drive with auxiliary powertrain boxes
Auger apparatus comprising a driving power train in which one or two auxiliary powertrain boxes are provided, two auxiliary boxes being used when two or more augers are to be driven, and one...
|
|
|
3867942 |
MOTOR-OPERATED MULTIPLE HAIR TRANSPLANT CUTTER TOOL
A power operated hair transplant cutting tool for use in removing multiple patches of skin with hair from the hair area of a scalp for insertion into openings formed by the same tool on the bald...
|
|
|
3752242 |
HYDRAULICALLY ACTUATED CAVITY FORMING DEVICE
A pair of longitudinally movable stems supported for generally vertical movement by a supporting and guiding structure on a mobile vehicle with the stems being extended and retracted by a unique...
|
|
|
3724561 |
MULTIPLE TOOL DRIVING UNIT
A compact multiple tool driving unit driven by a motor remote from, but permanently attached to it, so that a minimum of distance is required between it and the work to be performed. Alternatively,...
|
|
|
3447614 |
MULTI-CHUCK DRILL HOLDER
|
|
|
3380201 |
Power-operated tools
|
|
|
3246705 |
Drilling and bolting apparatus
|
|
|
3108645 |
Drill for tractors
|
|
|
3066924 |
Auger type mining machines
|
|
|
3026948 |
Earth boring apparatus
|
|
|
3012441 |
Portable combination tool
|
|
|
2979318 |
Tunneling by core-forming and removal
|
|
|
2976436 |
Multi-speed drill
|
|
|
2970661 |
Twin auger tunneling machine
|
|
|
2963913 |
Power take-off for electric hand drills
|
|
|
2950902 |
Earth digging apparatus
|
|
|
2806324 |
Means for improving the water receiving and retaining characteristics of land
|
|
|
2796246 |
Coal mining machine with laterally swingable and vertically adjustable cutter bars
|
|
|
RE11058 |
Title is not available
|
|
|
RE14454 |
Title is not available
|
|
|
0080769 |
Title is not available
|