Match Document Document Title
7402095 Method for removing trip hazards in concrete sidewalks  
A method for cutting a chamfer on an edge of a concrete slab, the method comprising the steps of: making a generally planar cut, beginning a distance from the edge, with a generally circular,...
7381117 Compound hook and loop drum system for a floor sander  
A powered floor sanding system with a motorized drum-type floor sander with a sanding drum configured as a drum core with a compliant sole covered with a first component layer of a hook and loop...
RE40345 Powered oscillating hand tool  
A powered oscillating hand tool includes a drive unit having an electric motor and a drive shaft; a bearing eccentrically mounted on the drive shaft and located radially eccentrically relative to...
7377838 Floor treating machine  
A floor treating machine has a frame and a housing connected rotatably to the frame according to a main rotation axis. At least three heads are suspended rotatably with respect to the housing...
7377837 Grinding or polishing arrangement  
A grinding or polishing machine or device having a grinding or polishing disc for grinding or polishing a work piece for the condition of the work piece placed against the lower surface of the...
7371150 Electric sander and motor control therefor  
A hand held orbital sander has a housing having an electronically commutated motor disposed therein and an orbit mechanism disposed beneath the housing. A motor controller is coupled to the motor....
7357705 Diamond disk  
A novel diamond disc is disclosed. The diamond disc comprises a plurality of diamond grains 2 bound on a disc. The diamond grains 2 are arranged in such a manner that a distance m 1 between...
7357701 Water driven rotary tool  
The present invention provides an assembly of machined or precision cast components which combine to form a high pressure water powered rotary tool. The rotary tool includes a rigid metal housing,...
7318768 Low profile electric sander  
A power tool is a “low profile” power tool, that is the overall height of the power tool is sufficiently small that a user can grasp the top of the power tool with the user's hand and the hand...
7311589 Electric portable power tool with rotatable guard  
A manually operated electric machine tool for a disk-shaped rotating tool ( 18 ), having a machine housing ( 11 ) from which a drive spindle ( 12 ) for the tool ( 18 ) protrudes and on which a...
7311588 Water grinder  
A water grinder including: a housing in which a rotary shaft is drivably disposed, the rotary shaft being formed with an axial passage; a water incoming flow way formed in the housing; a valve...
7310851 Cleaning device with disposable cleaning element  
A cleaning device has a cleaning element having an axis, an axial inner region and an axial outer region and being formed so that at least the axially outer region is bendable to follow a shape of...
7308727 Polishing system and tool  
A rotary tool used with a pneumatic or an electric drill, for polishing truck wheels, adjacent the in-situ nuts, has a chuck mounted on a driving shaft, the chuck including an outer cylindrical...
7288022 Water-driven tool  
A portable water-driven rotary tool for drilling, grinding and polishing concrete and stone that provides for high torque and that uses water pressures as the power source, the tool including a...
7275978 Hand power tool which receives its operating voltage from a power supply unit  
A hand power tool is connectable to a power supply unit via a multi-wire cable including a plurality of lines for delivering an operative voltage, and the power supply unit is adjustable by an...
7270591 Electric sander and motor control therefor  
A hand held orbital sander has a housing having an electronically commutated motor disposed therein and an orbit mechanism disposed beneath the housing. A motor controller is coupled to the motor....
7261623 Wood floor sanding machine  
A power sanding machine ( 10 ) has three circumferentially spaced cogged belts ( 40 ) to drive three discs ( 52 ) rotatably mounted to an inner bowl ( 30 ) which is rotatably mounted to a housing (...
7252581 Power tools  
It is accordingly an object of the invention to provide a technique of cooling a power tool which further improves cooling effectiveness of the power tool. According to the invention, a power tool...
7238096 Orbital rotary blade sharpener  
An orbital rotary blade sharpener for sharpening rotary cutter blades and other rotary blades includes a bottom blade holding portion having a center and a perimeter edge, a top blade holding...
7235006 Power tool with dust collection function  
A power tool with a dust collection function has a motor, a dust collection fan, and a cover member. The dust collection fan is driven by the motor for collecting a dust. The cover member covers...
7226347 Walk behind polisher  
An improved walk behind polisher and grinder is disclosed. The improved walk behind polisher and grinder provides a surface polishing machine capable of operation with increased directional...
7223161 Cutting apparatus with dust discharging  
In a cutting apparatus having a circular blade with a dust discharging unit for, during cutting, discharging chips (dust) within a dust cover covering the circular blade, a pulley is fixed to an...
7220174 Drywall sander  
The present invention provides an adjustable drywall sander capable of imparting more than one type of motion. In an exemplary embodiment, the sander includes a power unit with a motor and a...
7217178 Rotary power tool  
In order to provide an effective technique in simplifying the vibration-proof structure of a handle equipped in a rotary power tool, a representative rotary power tool 101 is provided with a tool...
7217177 Grinding-disk receiving element especially for a hand-guided electric grinding tool  
With a sanding-disc receiving element for a hand-guided electric sanding tool, an eccentric sander ( 15 ) in particular, the sanding-disc receiving element including a bearing flange ( 2 ) with a...
7207874 Electric hand power tool  
An electric hand power tool has a housing, an air-cooled electric motor which is accommodated in the housing, a tool which is driven by the electric motor a protective hood which at least partially...
7207873 Hand machine tool with clamping device  
A hand power tool has a disk-shaped tool, and a clamping device for clamping the tool, the clamping device including at least one flange and a clamping unit for clamping the tool to the at least...
7204745 Device in a circular, disk-shaped element intended for cleaning purposes  
The invention relates to a device in a circular disk-shaped cleaning element intended for cleaning by means of a cleaning machine. The element is designed with a number of recesses ( 3 )...
7204744 Hand-operated machine-tool comprising a vibration-damping rotary handle  
A handheld power tool, in particular a handheld right-angle grinder ( 10 ), has an electric motor drive for a motor housing ( 11 ) that accommodates a tool and also has a handle ( 15 ), which is...
7201644 Apparatus for removing trip hazards in concrete sidewalks  
An apparatus for cutting a chamfer on an upper edge of a concrete slab includes a hub designed for installation on the threaded output spindle of an angle grinder, and a specially-modified...
7192338 Fixing device, clamping system and allocated tool  
A tool for co-operating with a fixing device wherein the tool comprises a tool body in the form of a circular disk, with a central opening and a radially inwardly facing locking surface. The fixing...
7189152 Height adjustment system for rotating tools  
A height adjustment mechanism for varying the positioning of a rotating tool on a haft of a machine tool, such as a portable power tool, is in the form of a coupler between the blade and tool...
7179156 Grinder with easily installable/detachable grinding disc and a linkage effect  
A grinder with easily installable/detachable grinding disc and a linkage effect. The grinder includes a main body in which a rotary shaft is disposed for a grinding disc mounted under a bottom end...
7175513 Power grinder with safety guard and spindle arresting means  
A portable power grinder has a housing, a rotating output shaft with a grinding wheel mounting device, a grinding wheel safety guard adjustable between angular positions defined by apertures in the...
7169022 Method and apparatus for creating a groove in a collector ring of an electrical device  
A method and apparatus for creating a groove in the surface of a collector ring for use in an electrical device. The method and apparatus can be used to create a new groove in the surface of a...
7153199 Light-weight modular counterweight apparatus for an orbital abrading machine  
The present invention generally comprises a counterbalancing assembly for a random orbital machine including an adapter and a counterweight. The adapter includes a recess and the counterweight is...
7144315 Grinding wheel  
A grinding wheel including a ring-shaped wheel, a first fixing cap, a second fixing cap and a buffer member. The ring-shaped wheel has a fixing section and a working section formed along outer...
7144312 Scratch removal tool and system  
A system for removing scratches from glass windows, windshields and the like utilizing a compound applied to a powered polishing disk/pad which effectively “scrubs” away the scratches. Liquid...
7140957 Arrangement in a mobile machine for screeding floor surfaces  
The invention relates to an arrangement in a mobile machine for screeding floor surfaces. This comprises a housing with a planet disk ( 3 ), which is rotatably supported in the bottom of the said...
7137877 Manually operated tool  
A manually operated implement, in particular a parting-off grinder or similar device is provided. The implement has a bracket which has a first end, which is fixed to the housing of the tool, and a...
7134949 Constant angular grinding tool  
A constant angular grinding tool comprising: a profile wheel whose grinding face is fixed at an inclination angle with respect to the axis of a spindle of a rotary electric tool; a first guide...
7128641 Grinder capable of seizing rotary shaft  
A grinder having a rotary shaft and a grinding disc mounted at a bottom end of the rotary shaft for grinding a work piece. A press button unit is disposed on a housing of the grinder. By means of...
7118467 Pneumatic buffing machine  
A pneumatic buffing machine including a housing having an internal chamber in which a pneumatically driven motor set is mounted. The motor set includes an eccentric block for driving a grinding...
7115172 Method and apparatus for plaster burnishing tool  
An Advanced Burnishing Tool for burnishing Venetian plaster surfaces comprises a base with a working surface with a plurality of concentric ribs. The tool may be used manually or may be mounted on...
7115018 Hand held electric polisher  
A polisher has a polishing disc on a shaft driven by a brushless DC motor driven by a motor controller mounted spaced from the polisher and adjacent a ground fault interrupt circuit and a power...
7108594 Perforated sanding disc  
Abrasive discs for use with orbital sanders having dust extractor systems are provided in which the discs have an annular perforated zone intermediate between the center and the circumference of...
7108593 Power tool adjustable handle assembly  
A power tool is provided with an adjustable handle assembly. The assembly has a housing and a handle connected to the housing. The handle may be movable between a plurality of positions and has a...
7097548 Utility tool with rotatingly driveable, disk-shaped hub  
The invention is based on an insertable tool with a rotationally driven disk-shaped hub ( 10, 12 ), to which a grinding means ( 14 ) is secured in the radially outer region. It is proposed that...
7094138 Grinding disc structure  
A grinding disc structure including an integrally formed main disc adapted to a dust-sucking cover body of a grinder. The main disc has multiple through holes nearly in parallel to an axis of the...
7081047 Bristle brush for concrete sanding  
A brush or pad ( 10 ) for a power sander for sanding surfaces includes a base ( 12 ) for mounting onto a power sander and a plurality of depending bristles ( 16 ) with the bristles having a...