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| Number | Title | Issue Date |
| 8152602 | Grinder and core drill with dust collection A core drill or a grinder power tool design is disclosed herein also incorporated to a dust collection apparatus. The tool has a motor portion and a shaft portion, the shaft portion being characterized by a hollow shaft together with a casing forming a conduit for t... | 04/10/2012 |
| 8137165 | Dust shroud with adjustable mounting mechanism A universal dust shroud includes mounting brackets held above the shroud body by springs. The brackets move radially and vertically relative to the body to accommodate different angle grinders, and allow vertical movement of the shroud body relative to the grinding ... | 03/20/2012 |
| 7980924 | Cover device for a power tool A cover device for a power tool with at least one disc-shaped working tool (6), includes first and second cover parts (12, 22) and a locking mechanism (41) for releasably pivotally positioning the second cover part (22) relative to the fi... | 07/19/2011 |
| 7927192 | Tool for working on a surface Embodiments of the present disclosure provide working tools that provide suction to a working surface and/or dust removal from a working surface. One embodiment of a tool includes a tool support having an upper surface and a sidewall defining a cavity defined by the... | 04/19/2011 |
| 7871313 | Hand-guided machine tool A hand-held machine tool has an electric drive motor (3), arranged in a housing (2), for driving a tool (5), wherein a dust collecting container (7) is connected to the housing and has in its wall a container connector (8), which c... | 01/18/2011 |
| 7628683 | Handheld power tool with a guard hood A handheld power tool has a housing, a rotating cutting tool having a clamping neck structurally connected to the housing, a guard hood that covers the cutting tool and has a guard hood part and a slip-on ring for receiving the guard hood releasably and adjustably o... | 12/08/2009 |
| 7438633 | Apparatus for grinding a surface comprising two movably arranged hoods The present invention concerns an apparatus (1), preferably for grinding a surface, including at least one grinding unit, a screen (2, 3) and a guide member (5), where the grinding unit is a rotatable and preferably horizontally arranged grindin... | 10/21/2008 |
| 7399218 | Ride-on floor machine with dust collection system A riding floor sander for large hardwood floor surfaces, such as gymnasiums and dance floors, has a powered cart with one or more sanding machines connected to it. A blower picks up the process waste in a stream of air and and moves it to a cyclone separator that is... | 07/15/2008 |
| 7387564 | Grinding apparatus The present invention concerns a grinding apparatus (1) including a number of grinding units (3), a number of drive units (11) and a number of screen units (2), where a number of the grinding units (3) are enclosed by at least one ... | 06/17/2008 |
| 7384328 | Sanding device, and sanding assembly including the same A sanding device including a base plate, an evacuating tube, an articulated joint, and a sealing member. The base plate has a sanding surface and an opposite supporting surface, with an orifice extending therethrough for allowing the passage of particles sanded by t... | 06/10/2008 |
| 7364500 | Sanding apparatus and method of manufacture An improved resilient sanding block of the type comprising a core having a plurality of exterior surfaces, including a first major surface and a second major surface and side surfaces, and having a layer of abrasive material disposed thereon. The resilient sanding b... | 04/29/2008 |
| 7356930 | Method and apparatus for removing dust from a workpiece A duct mechanism for directing a flow of air onto a working member of a power cutting tool generally includes a housing, a motor in the housing, a working member actuated by means of the motor and a shoe pivotally mounted relative to the working member and adapted t... | 04/15/2008 |
| 7334971 | Extractor device for machine tools, welding and manufacturing machines and the like An extractor device for machine tools which have at least one tool-holder machining head has an annular blowing distributor for generating a tubular gaseous barrier around the tool-holder machining head, and an annular extractor manifold, positioned inside the barri... | 02/26/2008 |
| 7320634 | Sanding tool and dust collection system therefor A hand-held manually-operated sanding tool includes a base having a lower surface including a plurality of attachment posts extending outwardly therefrom and a handle opposite the base lower surface for a user to grasp and maneuver the tool. ... | 01/22/2008 |
| 7311587 | Polishing machine with a brake device A polishing machine includes a body. A driving motor is installed in the body. The driving motor has an eccentric shaft mounted at a bottom of the motor, and a polishing wheel connector mounted under the eccentric shaft. A dust shield is mounted on the body and outs... | 12/25/2007 |
| 7300337 | Grinding machine with a dust collector A grinding machine with a dust collector includes a driving portion, a transmitting portion, a dust-collecting tube, a fender, an air intake connector and a grinding wheel. The dust produced by the rotation of the grinding wheel is sucked by the dust-collecting tube... | 11/27/2007 |
| 7300521 | Wall scrubber for blown insulation An insulation system comprising: a supply of material having discrete elements; an applicator assembly for installation of the material having discrete elements to a surface; and a scrubber for finishing the face of the material, the scrubber including: (a) a vacuum... | 11/27/2007 |
| 7294047 | Sander device A sander device includes a housing pivotally attached to a supporting base and rotatable between a horizontal position and a vertical position, a driven roller and an idle roller rotatably disposed in the housing, and an endless driving belt engaged over the driven ... | 11/13/2007 |
| 7282074 | Auxiliary dust collection system An auxiliary dust collection system can be interposed between a sander or other dust producing tool and a vacuum source, e.g., shop vacuum. This auxiliary system has a cyclonic separator connected by a flexible hose to the tool and by another hose to the vacuum sour... | 10/16/2007 |
| 7275981 | Symmetrical wall sander A disc-shaped sanding pad has a round perimeter. Centrally located in the pad is a socket. A ball, coupled to the end of a handle, is inserted into the socket, permitting the sanding pad to both pivot and rotate freely about the handle. A second single axis pivot is... | 10/02/2007 |
| 7264541 | Drywall corner sander An improved drywall corner sander is provided with an elongated body having opposite sides, and a pair of spaced apart braces extending between the sides. An axle is pivotally mounted between the braces so as to define a first longitudinal pivot axis. A tab on the a... | 09/04/2007 |
| 7249996 | Vacuum sander A vacuum-assisted pole sander includes a sanding means attached at the end of the main pole, which in turn is supported in its middle section by a support pole. Both the support pole and the main pole are hollow and adjustable in length. The vacuum is transmitted fr... | 07/31/2007 |
| 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 the dust collection fan. The cover member provides an air passage surro... | 06/26/2007 |
| 7235003 | Method and apparatus for grinding of concrete floors A method for dry finishing of a floor surface consisting of concrete, stone, marble, terrazzo, densite or other hard materials is disclosed. The method comprises finishing of the floor surface using a cutting, grinding and/or polishing tool. In the method, a vapor o... | 06/26/2007 |
| 7228773 | Radial arm saw safety top A radial arm saw is adapted with a safety top configured with cutting box enclosure that contains and collects substantially all of the sawdust generated during use. A dust collection system is in fluid communication with the cutting box for removing the sawdust con... | 06/12/2007 |
| 7225803 | Pavement saw and vacuum apparatus A pavement cutting and vacuum system is provided that includes a transport vehicle having a holding tank carried thereby; a pavement surface cutting machine having a blade for cutting a pavement surface during a cutting operation; and a vacuum system including a vac... | 06/05/2007 |
| 7223163 | Cover device for a power tool A cover device for partially covering a disc-shaped working tool includes a bearing member (22) forming a receiving space (54) for receiving the shielding member (10) of the working tool and having an inner surface (24) against which an o... | 05/29/2007 |
| 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 output shaft of a power source, and a flat belt for transmitting power ... | 05/29/2007 |
| 7216572 | Sawdust collector for table saws A table saw having a horizontal worktable, an open bottom base below the worktable enclosing a rotating blade that cuts wood objects on the worktable surface, and a stand for supporting the base from the floor. The table saw further including a sawdust collector for... | 05/15/2007 |
| 7214011 | Key cutting machine A key cutting machine having a vacuum port connected to the housing and capable of removeably connecting a vacuum tube thereto so that when the vacuum tube is connected to the vacuum port the vacuum tube is capable of collecting key shavings created during a key cut... | 05/08/2007 |
| 7210988 | Method and apparatus for reduced wear polishing pad conditioning Embodiments of a conditioning head for in-situ conditioning and/or cleaning a processing pad of a CMP, ECMP, or other processing system are provided. In one embodiment, the conditioning head includes a brush disposed in a central cavity. A cleaning fluid is provided... | 05/01/2007 |
| 7207872 | Bearing arrangement for vibrationally mounting a grinding disk in a grinder The invention is based on a bearing arrangement for vibratingly supporting a grinding disk (24) on a grinding apparatus (10), in particular in a vibrating grinder, having a plurality of elastic vibration bodies (48), which can be connected on th... | 04/24/2007 |
| 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 covers the tool, the housing having a handle and an auxiliary handle... | 04/24/2007 |
| 7201162 | Cutting machine with environment control arrangement A cutting machine includes a bottom collecting tray, a cutting blade overhanging on a cutting table and having a cutting area defined at an outer circumferential portion thereof when the cutting blade cuts the work piece, and an environment control arrangement. The ... | 04/10/2007 |
| 7162771 | Floor cleaning machine with dust control apparatus and associate method of use A floor cleaning machine with dust control apparatus can assist in capturing dust created as a by-product during normal operations. The dust control apparatus is particularly applicable to propane-powered burnishers that use rotating pads to remove built up wax from... | 01/16/2007 |
| 7147549 | Plate with deflector for machining surfaces The present invention describes a plate comprising a mono-block body through which a plurality of holes pass, and a deflector that covers at least the external part of the upper surface of said mono-block body. The mono-block body is made up of a rigid support sunk ... | 12/12/2006 |
| 7131894 | Grinding machine with a dust collecting device A grinding machine includes an abrasive element rotatably mounted on a support frame and coupled to a drive, a blower casing including a surrounding wall which confines a blower chamber and which extends beyond and which is spaced apart radially from a rim of the ab... | 11/07/2006 |
| 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 disc. A skirt shade is screwed under a bottom of the housing by means of... | 10/10/2006 |
| 7118609 | Motorized tool with suction and dust collection capacity The present invention refers to a motorized tool with suction and dust collection capacity. The tool comprises: means for extracting dust suitable for producing a flow of air; means for collecting dust having a first duct for the entrance of the air, that can be con... | 10/10/2006 |
| 7118468 | Floor sanding vacuum A floor sanding vacuum is designed to be used in conjunction with floor sanding machines to provide a near dust free process for sanding floors. A displacement blower is driven by a gasoline or electric motor which creates a high vacuum that draws air through the sa... | 10/10/2006 |
