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| Number | Title | Issue Date |
| 8075229 | Multi-speed drill and chuck assembly A chuck assembly configured to provide a shorter longitudinal profile. The chuck assembly includes a chuck body with a support bearing mounted to a rear portion of the chuck body and mounted to a portion of a housing such that a cavity is defined axially rearward of... | 12/13/2011 |
| 8057134 | Chuck assembly A chuck assembly configured to provide a shorter longitudinal profile. The chuck assembly includes a chuck body with a support bearing mounted to a rear portion of the chuck body and mounted to a portion of a housing such that a cavity is defined axially rearward of... | 11/15/2011 |
| 7988388 | Spindle attachment device for machine tool A spindle attachment device attached, for use, to a distal end of a spindle of a machine tool is provided. The spindle attachment device (11) includes a hollow casing (13) having an internal space; an input shaft (17) rotatably supported inside ... | 08/02/2011 |
| 7972093 | One-way clutch and a clamping structure for a handled tool using the same The present invention discloses a one-way clutch capable of eliminating the phenomenon of “teeth scraping”, comprising: ratchet member, pawl seat, pawl member, control outer sleeve and control member provided with control portion, wherein at least one of the con... | 07/05/2011 |
| 7806636 | Dead spindle chucking system with sliding sleeve A power driver may include a housing, a tool chuck and a sleeve. The tool chuck may have a chuck body mounted for rotation on the housing and supporting threadless chuck jaws, and a chuck drive shaft mounted for rotation on the chuck body. The sleeve may be mounted ... | 10/05/2010 |
| 7726917 | Power drill A drill chuck has a chuck body having a forwardly open large-diameter threaded bore centered on an axis and a rearwardly open bore also centered on the axis and of small diameter. A power-unit spindle end is threaded into the small-diameter bore and projects axially... | 06/01/2010 |
| 7658574 | Three position selector for automated chuck A automated chuck is provided with at least three user selectable operating modes, thereby enabling different functions to be performed during tightening and loosening of the chuck. In one exemplary implementation, the different user selectable operating modes of th... | 02/09/2010 |
| 7645101 | Chuck with internally threaded jaw in a PTO application A power driver may include a housing, a tool chuck and a power take off mechanism. The tool chuck may have an input shaft mounted for rotation on the housing. The input shaft may support threaded chuck jaws. A chuck actuating shaft may be mounted for rotation on the... | 01/12/2010 |
| 7591616 | Drill bit holder attachment A detachably mountable hand drill tool bit holder and static tool presenting apparatus holds a plurality of bits for use with a hand drill tool. The apparatus comprises a horizontally oriented oblong oval shaped receptacle with two parallel sides forming an aperture... | 09/22/2009 |
| 7588399 | PTO selector mechanism for parallel axis transmission A power driver may include a housing, a tool chuck and a power take off mechanism. The tool chuck may have an input shaft mounted for rotation on the housing. The input shaft may support chuck jaws. A chuck actuating shaft may be mounted for rotation on the input sh... | 09/15/2009 |
| 7588398 | Tool chuck with power take off and dead spindle features A power driver may include a housing, a tool chuck and a power take off mechanism. The tool chuck may have an input shaft mounted for rotation on the housing. The input shaft may support chuck jaws. A chuck actuating shaft may be mounted for rotation on the input sh... | 09/15/2009 |
| 7559727 | Tapping method and device, and punch press A tapping method includes engaging a front end of a tap with a prepared hole formed in a workpiece. The tap is provided at a tapping tool attached to a rotating mold indexing device that includes a control motor M. The rotating mold indexing device is rotatably prov... | 07/14/2009 |
| 7547165 | PTO selector mechanism with brake A power driver may include a housing, a tool chuck and a power take off mechanism. The tool chuck may have an input shaft mounted for rotation on the housing. The input shaft may support chuck jaws. A chuck actuating shaft may be mounted for rotation on the input sh... | 06/16/2009 |
| 7537421 | Dead spindle PTO with compliant grounding mechanism A power driver may include a housing, a tool chuck and a power take off mechanism. The tool chuck may have an input shaft mounted for rotation on the housing. The input shaft may support jaws. A chuck actuating shaft may be mounted for rotation on the input shaft. T... | 05/26/2009 |
| 7424768 | Handle for power tool A power tool having a handle includes a first member configured to selectively engage a housing of a power tool and a second member provided adjacent the first member and movable between a first position and a second position. A portion of the second member restrict... | 09/16/2008 |
| 7367757 | Electric drill with modified bit gripping assembly An electric drill (10) has a drive assembly (31, 70), and a pivot head (32) having first and second bit gripping assemblies (14, 22) disposed at 90 degrees to each other. The electric drill (10) also includes means for adjusting th... | 05/06/2008 |
| 7363685 | Handle assembly for tool A handle assembly for a power tool 1 comprises a housing 2 defining a handle 4 and housing a motor for actuating an output member of the tool, such as a drill bit or jigsaw blade. The handle assembly comprises at least one flexible sheet 8 | 04/29/2008 |
| 7354230 | Bit holding apparatus for use with a power tool An attachment (10) for use with a power tool (12) which can conveniently convert a rotatable chuck (14) or adapter (78) used with a first bit device (22) to usage with a second bit device (36) and vice versa. Either first or... | 04/08/2008 |
| 7351018 | Method and apparatus for measuring a depth of holes in composite-material workpieces being machined by an orbiting cutting tool A method and apparatus for measuring a hole depth in a composite-material workpiece machined by a orbital cutting tool, including the steps of applying a low-level electric potential to an electrically insulated cutting tool having a cutting head with radial and axi... | 04/01/2008 |
| 7344341 | Drill A portable power drill having an automatic drilling cycle for feeding a rotating tool bit to a workpiece to effect the desired operation. The drill uses a rotary gerotor pump to pump hydraulic fluid used in its system, and pressurized air to operate the hydraulic pu... | 03/18/2008 |
| 7331496 | Hammer drill A hammer drill (2) includes a clockwise and counterclockwise driven tool spindle (28), a drive pinion (70) operatively connectable with the tool spindle (28) for transmitting a torque thereto, a separate control handle (6) for sele... | 02/19/2008 |
| 7328637 | Apparatus for machining a cylinder bore surface and method of machining the cylinder bore surface using the apparatus An apparatus for machining a circumferential surface defining a cylindrical bore of a workpiece, the apparatus including a tool holder rotatable about a first rotation axis, and a form roller supported on the tool holder so as to be rotatable about a second rotation... | 02/12/2008 |
| 7325812 | Grip assembly for clutch cap, front sleeve, rear sleeve and method of making A grip assembly for one of a clutch cap for a clutch mechanism, a rear sleeve or front sleeve for a chuck assembly having a chuck mechanism with a plurality of adjustable jaws. The grip assembly includes an inner sleeve having open top and an open bottom opposite th... | 02/05/2008 |
| 7326008 | Servo tapping unit with built in shock protection A servo motor in die tapping unit provides built in shock protection for the motor by fixing a shock plate to the servo motor and floatingly mounting the shock plate to a base structure attachable to a stripper plate in a press. Sets of opposing springs allow moveme... | 02/05/2008 |
| 7322901 | Continuously variable transmission A variable speed transmission having a plurality of tilting balls and opposing input and output discs is illustrated and described that provides an infinite number of speed combinations over its transmission ratio range. The use of a planetary gear set allows minimu... | 01/29/2008 |
| 7316690 | Angled driver with depth gauge An angled driver assembly including a rotatable shaft rotatable about a first axis, a rotatable cutting device rotatable about a second axis, the first rotatable portion being coupled to the second rotatable portion, a reference device associated with the rotatable ... | 01/08/2008 |
| 7316528 | Ergonomic router assembly An ergonomically designed router assembly includes a base assembly coupled with a motor casing including a grip assembly which provides an overall narrower profile to the router assembly. The grip assembly may relieves stress on the muscles and allows the operator t... | 01/08/2008 |
| 7303364 | Switch assembly An apparatus for providing convenient control of a power tool electrical system. A switch assembly includes a first actuator and a second actuator, which is disposed remotely from the switch and first actuator. The second actuator is connected via a coupling device,... | 12/04/2007 |
| 7294092 | Control of coasting downshifts in an automatic transmission for motor vehicles A method for controlling a coasting downshift in an automatic transmission having a torque converter that includes an impeller driveably connected to an engine and a turbine hydrokinetically coupled to the impeller and driveably connected to the transmission input. ... | 11/13/2007 |
| 7275900 | Router elevating mechanism The present invention is directed to an elevating mechanism, in particular to an elevating mechanism for routers, is configured for easy micro adjustment and coarse or macro adjustment. In an embodiment, a power tool includes a base configured to adjustably receive ... | 10/02/2007 |
| 7264426 | Apparatus and methods for servo-controlled manufacturing operations Apparatus and methods for servo-controlled manufacturing operations are disclosed. In one embodiment, an apparatus includes a base member, a drive platform spaced apart from the base member by a separation distance, and a plurality of guide members extending between... | 09/04/2007 |
| 7258351 | Quick-action chuck A quick-action chuck, in particular for a power tool, has an actuating element (20) and a control device which includes at least one mechanism (12, 22, 36, 42, 50) for controlling at least one locking device (10) that serves to absorb a chucking... | 08/21/2007 |
| 7243922 | Drill chuck tool bit locator A drill chuck having an adjustable depth stop to control an amount by which a tool bit, such as a drill or a screwdriver bit, is inserted into the drill chuck. The adjustable depth stop can include a spring, such as a conical spring, that can be coupled to a spindle... | 07/17/2007 |
| 7243440 | Gauge for use with power tools A gauge for connecting with a power tool and providing a system for determining structural factors of a workpiece to be operated upon by the power tool is provided by the present invention. The gauge including a probe connected with a sensor via a spring, wherein co... | 07/17/2007 |
| 7241084 | Tool assembly with universal coupling for various tools, for work on underground pipes A tool assembly is provided for working on underground pipes, through a small hole at the pipe surface, by means of an elongate handle member that reaches into the hole, and has a coupling at the lower end thereof, whereby various ones of selected tools may be quick... | 07/10/2007 |
| 7226252 | Hand-held drill leverage unit A hand held drill leverage unit for supporting, positioning, and leveraging a drill. The leverage unit has a main lever arm pivotally supported by a fulcrum unit. A drill end of the lever arm supports the drill, while an opposing, longer, handle end of the lever all... | 06/05/2007 |
| 7217069 | Hand-held tool with a removable object sensor A hand-held power tool is provided with a housing, an attachment member, and an object sensor that is removable from the attachment member. The attachment member may be removable from the tool. The object sensor, which can be used to detect studs hidden behind walls... | 05/15/2007 |
| 7204419 | Method and apparatus for reading firearm microstamping An indicia for marking on an object, such as a cartridge case, for representing selected information, such as identification indicia identifying the firearm that discharged the cartridge, and methods and apparatus for generating, imprinting and reading the identific... | 04/17/2007 |
| 7192226 | Shrink fit holder and methods of drilling and reaming A drill has a unitary drill bit and chuck structure that includes a drill bit and a chuck. The chuck encloses a portion of the drill bit and has a thread. A rotatable drive element having a thread engages the thread of the chuck. The chuck is heat shrunk onto the dr... | 03/20/2007 |
| 7191677 | Adjustable angle drive for a rotary power tool The present invention provides an adjustable angle drive for a rotary power tool such as a drill. The adjustable angle drive includes input and output shafts journalled for rotation in input and output housings. The input and output shafts are rotatably coupled thro... | 03/20/2007 |
