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| Number | Title | Issue Date |
| 8118520 | Drilling device with displacement dependent spring and/or damper In order to improve a device for a drilling machine in such a way that manual drilling can be carried out with optimum conditions, it is proposed that the device include a workpiece jigging device, a guide device for the guidance of the machine when there is a displ... | 02/21/2012 |
| 8113747 | Drill dust collector Object: A drill dust collector is provided that is capable of drilling holes in an area ranging from a position near a corner to a position distant from the corner and that can be positioned with a side face in contact with an upright face such as a wall during dril... | 02/14/2012 |
| 8052356 | Hole saw system with improved slug removability There is provided a hole saw system comprising a hole saw including a bottom portion and a body portion; a mandrel, including apparatus for receiving the hole saw; wherein the hole saw includes a plurality of slot pairs, the slot pairs being offset from each other o... | 11/08/2011 |
| 8052358 | Pocket hole jig system A pocket hole jig tool system includes a base on which a workpiece is supported. A drill guide support is slidably mounted to the base. Drill guide bushings are movably mounted relative to the drill guide support for clampingly engaging the workpiece and for guiding... | 11/08/2011 |
| 8052357 | Device for removing by suction drill dust when drilling holes into walls A device for removing drill dust when drilling a hole into a wall has a base member and at least one vacuum chamber provided in the base member. At least one suction site is provided. A connector is connected to the base member and adapted to connect a vacuum unit t... | 11/08/2011 |
| 7901164 | Debris shield for a rotary tool or machine A debris shield for a rotary tool or machine for collecting debris generated while cutting or drilling holes in a work surface has a debris collection housing having a top structure, side walls depending from said top cover structure to form a debris collection cham... | 03/08/2011 |
| 7883301 | Safety protection device for electrical circuit panel boxes and the like An electrical safety device for use within an electrical circuit panel box and other electrical cabinetry is constructed of a tubular, transparent sleeve having a first and a second end. One end has a removable cap and the other end is provided with a means for atta... | 02/08/2011 |
| 7794184 | Dust catcher A dust catcher has a contact element configured to catch abraded material that is produced by a power tool on a workpiece, and the contact element includes a handgrip element for holding the contact element on the workpiece. ... | 09/14/2010 |
| 7591615 | Sheet material cutting machine with vacuum cleaning system A sheet material cutting machine includes a bristle bed with generally vertically extending bristles having free ends defining a support surface for supporting sheet material to be cut and a carriage movable over the bristle bed and carrying at least one cutting too... | 09/22/2009 |
| 7563060 | Vacuum drilling system An improved vacuum drilling system and drill bit includes a generally hollow vacuum drill bit with one or more chip inlets arranged proximate to one or more cutting surfaces. The drill bit also includes grooves along its exterior. When the drill bit is guided by a b... | 07/21/2009 |
| 7455486 | Dust extracting device An extracting device (4) for removing material cut away in the operation of a motor-driven hand tool, has an extracting opening (48) and a receiving space (18) for the cut material, which communicate with one another through an extracting path, ... | 11/25/2008 |
| 7438509 | Slug retrieval apparatus The slug retrieval apparatus is used with a hole saw with chuck mechanism, after a pilot hole is drilled. The apparatus is fitted within the chuck mechanism and the hole saw then used to cut a hole in the workpiece. The shaft of the apparatus guides the hole saw cut... | 10/21/2008 |
| 7425109 | Suctioning device for a machine tool A suction device for a power tool, in particular for a drilling and/or chipping tool, has at least one dust container and at least one suction head to be placed on a workpiece, wherein the dust container is integrated in the suction head. ... | 09/16/2008 |
| 7419341 | Machining mechanical parts with a hollow cylindrical tool The present invention relates to a device for machining mechanical parts by means of a hollow cylindrical tool presenting a distal end with a free edge that is shaped to perform machining when said tool is rotated about its axis. In accordance with the invention, th... | 09/02/2008 |
| 7396193 | Dust collector for drill A dust collector for a power drill is provided that includes a cylinder of sufficient size to accept at least a foremost portion of a power drill. The cylinder includes a gasket or seal at the forward end for contact with the wall or working surface to be drilled. A... | 07/08/2008 |
| 7387478 | Machining system with integrated chip hopper A machining system having a machining envelope, a housing, a hopper, and a seal. The housing defines at least a portion of the machining envelope. The hopper has a top surface defining an opening. The seal is disposed between the housing and the top surface. The hop... | 06/17/2008 |
| 7373987 | Method and apparatus for preventing spillage or loss of drill fluids A well bore fluid recovery system and method is disclosed for recovering a column of well bore fluid within a stand of casing before cutting the casing. The recovery system relates to a system for preventing fluids from being spilled when casing is being finished fo... | 05/20/2008 |
| 7360271 | Apparatus for cleaning a machine tool An apparatus and a method for dislodging contaminants from a surface of a machine tool. A machine tool has a spindle and a housing disposed around the spindle. The apparatus includes a support plate, an arbor, and a cleaning member. The arbor is disposed on the supp... | 04/22/2008 |
| 7357605 | Pilot drill with coupon retainer and hot tapping machine using the same Pilot drill with coupon retainer and hot tapping machine using the same that positively retains a coupon cut out by a hole saw. The pilot drill bit has a shank having a driving end for attachment to a drill driver and a cutting end having a cutting edge thereon, the... | 04/15/2008 |
| 7354226 | Hand-held power tool with a dust suction module A hand-held power tool (2) connectable with a dust suction module (32) includes a motor (64) and an air flow generator (66) which for cooling the motor (64) is located, together with the motor (64), in air flow path (62 | 04/08/2008 |
| 7347651 | Drilling device In order to improve a device (100) for a drilling machine (10) known per se for manual drilling with a casing (11), a grip (12), a tool chuck (13) and a tool (14), especially a drilling, reaming or counterboring tool, in suc... | 03/25/2008 |
| 7337523 | Methods and apparatus for an annular core cutter An annular core cutting apparatus includes a cutting head including a generally cylindrical sidewall having a first end and a second end, wherein the first end has a cutting edge, and wherein the sidewall includes a plurality of openings having at least one sharpene... | 03/04/2008 |
| 7337521 | Machine tool, transfer machine tool, and method for the machining of a workpiece In order to improve a machine tool with a working area, in which workpieces can be positioned and can be machined with at least one tool held by a tool holder, such that the disposal of shavings is optimized, at least one cover is provided which limits the working a... | 03/04/2008 |
| 7338089 | Pipe interruption fitting A pipe interruption fitting having a flange is removable after pipe maintenance work has been completed. The fitting includes an upper reinforcing plate, an inner surface of which has a curvature corresponding to an outer surface of the pipe, and a vertical pipe wel... | 03/04/2008 |
| 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 |
| 7334969 | Methods of drill nozzle use and manufacture In an embodiment, a drill nozzle includes a housing having a bristle brush ring attached. The housing of the drill nozzle may include an air intake, multiple coolant inlets, multiple coolant jets, a vacuum tube, and mounting flanges. The air intake may provide a thr... | 02/26/2008 |
| 7326009 | Edge-carrying drill body having an internal chip-removal channel An edge-carrying drill body intended for deep hole drilling, is rotatable around a central geometric axis and comprises a through-channel arranged for internal chip evacuation. The channel mouths in front and rear ends of the drill body. A front channel mouth is bri... | 02/05/2008 |
| 7326215 | Curved surgical tool driver A surgical tool driver has a driven end connectable to a rotary drive source and a driving end connectable to a surgical tool. A shaft assembly there between includes a hollow outer shaft and a flexible drive shaft for transmitting rotary power from the driven end t... | 02/05/2008 |
| 7325273 | Suction device A suction device (2) for a hand-held power tool and which is releasably connected with the power tool, includes a suction blower wheel (20) for producing a suction air stream in a suction path (S) and located in the device housing (10), a rollin... | 02/05/2008 |
| 7322429 | Portable drilling machine A portable drilling machine includes a housing; a drill chuck positioned on a front surface of the housing; a drill bit detachably coupled to the drill chuck; a driver positioned inside the housing to provide either the drill bit or the drill chuck with a rotational... | 01/29/2008 |
| 7290966 | Apparatus for dislodging and moving contaminants from a surface of a machine tool An apparatus for dislodging contaminants from a surface of a machine tool. The apparatus includes a coupling, a housing, a cleaning mechanism, and a transport mechanism. The coupling is configured to be mounted on a spindle. The housing is disposed proximate the cou... | 11/06/2007 |
| 7281886 | Suction device A suction device that is used with a power drilling tool for aspirating material removable during operation of the drilling tool, and which includes a suction head (20) displaceable relative to the drilling tool (2) in a direction opposite a drilling d... | 10/16/2007 |
| 7267512 | Power assisted drill press A power assisted drill press having a feed cylinder fed by a variable pressure regulator which allows a user to controllably feed a bit and work material together while activating a drill motor to rotate the bit. An embodiment of the power assisted drill press utili... | 09/11/2007 |
| 7261499 | Adjustable drill microstop with multiple offset depth settings An adjustable drill microstop apparatus is employed with a drill and a drill bit to limit the depth of a hole drilled into an object surface by the drill bit. The apparatus has a housing and a nose piece that is mounted for reciprocating axial movement in accordance... | 08/28/2007 |
| 7258513 | Depth limiting device and hole forming apparatus containing the same A depth limiting device includes a stop collar having a an open end portion and an workpiece engaging portion extending along the open end portion thereof for contacting a workpiece; a spindle extending axially through the shell, the spindle including a first end ex... | 08/21/2007 |
| 7246975 | Hole saw with replaceable cutting tip A device for cutting a hole, such as in sheet metal is provided. The device includes an axially rotatably cylindrical body that is operable with a rotatable drive. A distal end portion of the body includes a replaceable cutting tip and a replaceable pilot. The cutti... | 07/24/2007 |
| 7232280 | Grout guide attachment A guide attachment for a rotary hand tool is disclosed that comprises a housing, an adapter and a removable base. The attachment is configured to remove grout from between adjacent tiles, such as floor or wall tiles. The housing of the preferred embodiment is config... | 06/19/2007 |
| 7226251 | Drilling device and drilling method used with such a device A method for using a drilling device with a rotating tool, a drilling machine and lubrication device. The device includes an intermediate chamber for storage of chips produced during an elementary drilling operation, and a scavenging device capable of generating an ... | 06/05/2007 |
| 7226253 | Clamping mechanism The drilling of a hole through at least two structural components in alignment with a predrilled hole or marked location in one of the structural components is facilitated by a clamping mechanism that has a bail with two legs. One leg carries a first clamping sectio... | 06/05/2007 |
| 7220088 | Toolhead for multi-axis machine tools A toolhead for use on a multi-axis machine tool consists of a support assembly equipped with a pivoting spindle designed to accept a removable tool-holder, and centered on a machining axis about which a tool clamped to the tool-holder can be driven in rotation. Also... | 05/22/2007 |
