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| Number | Title | Issue Date |
| 7607871 | Spring loaded tool with floating depth control for countersinking holes or engraving A floating tool-bit depth controlling nosepiece for a spring loaded tool holder is used to countersink holes of equal size when the height of the work piece material changes. The floating tool-bit depth controlling nosepiece, driven by a cnc machine, is rigidly coup... | 10/27/2009 |
| 7337697 | Depth stop device A depth stop device for a screw driving tool includes an adjusting ring (30), a connection sleeve (22) for rotatably mounting the adjusting ring (30) on the nose member (6) of the screw driving tool housing (4), a substantially sle... | 03/04/2008 |
| 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 |
| 7316342 | Nailing depth control structure for a palm nailer The nailing depth control structure for a palm nailer is mounted at the hammering head of the palm nailer. The control structure includes a control block with several steps, a cylinder base, a flexible pipe fitted internally with an anchoring position, a resilient c... | 01/08/2008 |
| 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 |
| 7210881 | Sleeved stop for a drill bit A stop for use with an electric drill bit, the stop having at least one threaded sleeve for positioning the stop relative to a surface into which the drill bit will extend. The stop may have both an inner and an outer sleeve. The sleeves are mounted coaxially, one i... | 05/01/2007 |
| 7210879 | Universal holding frame for certain drill accessories A universal holding frame provides convenience and safety for certain drill accessories which all have an elongate drivable shaft and a mounted storage barrel. The universal holding frame maintains the mounted storage barrel against rotation with the shaft of the dr... | 05/01/2007 |
| 7144206 | Attachment element for securing a depth stop on a hand-held power tool An attachment element for securing a depth stop (2) of a hand-held power tool (4) includes a pin guide 5 with one or more noses (8a, 8b) for mounting the attachment element (1) on the power tool (4) and ... | 12/05/2006 |
| 7100482 | Electrically powered hand-held screw driver An electrically powered, hand-held screw driver (2) has a housing (4), a depth stop (6) arranged on this housing (4), a drive motor (20), an axially displaceable tool spindle (8) operatively coupled with a tool holder (11... | 09/05/2006 |
| 6872036 | Hand tool apparatus for orbital drilling A hand tool apparatus uses a cutting tool with a first width and a tool axis to machine a hole in an object. The hole has a second width at least as large as the first width of the cutting tool. The tool axis passes through a predetermined point on a surface of the ... | 03/29/2005 |
| 6609860 | Hand machine tool with depth stop A manual machine tool (10) with a housing (12) that carries an adjustable bit stop (32), particularly on a supplemental handle (28), becomes more convenient and safer to operate because the bit stop (32) can be fixed in positive fashion, particularly in l... | 08/26/2003 |
| 6511266 | Wall fishing method and apparatus Holes can be cut squarely through obstructions hidden within a hollow wall by apparatus that may include a flexible guide tube having a work-engaging head at one end; a collared lead screw or other arrangement for bringing the work-engaging head into perp... | 01/28/2003 |
| 6447221 | Structure of drilling machine A structure of a drilling machine having a main machine provided on one end thereof with a control switch, with this, by pressing the control switch to position a clamping portion for a bit, the bit can be changed conveniently; and an adjusting and fixing... | 09/10/2002 |
| 6264408 | Pneumatic tool kit A pneumatic tool kit including a main body, a threaded plug, a connecting seat, at least one grinding member, a protective cover, a saw disk seat, an adjustment seat, at least one edge-milling tool, a stopper board and at least one drilling/milling tool. ... | 07/24/2001 |
| 5827018 | Countersink cutters having a free-spinning pilot This invention discloses an improved cutting tool such as a counterbore cutter or piloted reamer that is comprised of a free-spinning pilot connected to the cutting tool. The free-spinning pilot allows the cutting tool to rotate within it while it makes f... | 10/27/1998 |
| 5690451 | Depth stop assembly for a portable electric drill A drill assembly including a drill and depth stop assembly is disclosed. The drill includes a housing, an electric motor and a chuck operatively driven by the electric motor about a drill axis. The depth stop assembly includes a depth stop rod, a mounting... | 11/25/1997 |
| 5688082 | Dust extractor A dust extraction housing for a rotary drill has a rear collar 10 which attaches to a stationary boss 14 of the drill and a concertina tube 18 extending forward to enclose the drill bit 22. A forward end piece 24 of the housing has an outlet 26 for attach... | 11/18/1997 |
| 5667345 | Optical device and method for obtaining reference planes, especially for hand-held tools Method of direction control consisting in producing one or more parallel reference lines (7,8) that may be manipulated in such a way that their directions become parallel to the intended direction and with the help of plane mirrors making images (9,10) of... | 09/16/1997 |
| 5601387 | Depth adjusting system for a power tool A depth adjusting system particularly for power-driven screwdrivers comprising an adjustment collar that is releasably fitted to the housing of the tool and a depth locator which screws onto the collar for non-rotational axial movement relative to the hou... | 02/11/1997 |
| 5380132 | Depth adjusting system for a power tool A depth adjusting system particularly for power-driven screwdrivers comprising an adjustment collar that is releasably fitted to the housing of the tool and a depth locator which screws onto the collar. The adjustment collar has a forward cylindrical port... | 01/10/1995 |
| 5096342 | Apparatus for drilling composite structures There is provided by this invention an apparatus for drilling composite materials which provides controlled depth drilling. In a first embodiment of the invention, a drill motor is integrated within a microstop cage and retained by a lock nut, such that b... | 03/17/1992 |
| 5078552 | Guide/drill stop for regulating drill depth A guide/drill stop in the form of a hollow one-piece cylindrical sleeve for frictional engagement with a cutting tool, e.g., a drill bit, to regulate the desired depth of a hole to be drilled. The guide/drill stop sleeve extends optionally over the portio... | 01/07/1992 |
| 5066172 | Countersink tool assembly The countersink tool assembly of the present invention is rotatably driven by a conventional drill apparatus and includes an insert having a central aperture and two diametrically opposed ears which extend into the central aperture. A multi-fluted counter... | 11/19/1991 |
| 4993894 | Drill A drill for drilling holes in masonry and comprising a depth stop mounted on the drill shank and formed as a resilient anti-vibration element.... | 02/19/1991 |
| 4764060 | Quick-change adjustable clocking nosepiece Disclosed is a quick-change nosepiece (10) for a power drill (27) capable of telescoping by very small increments in the longitudinal direction, of angular or rotational displacement, and of quick and easy engagement and disengagement so as to provide acc... | 08/16/1988 |
| 4647260 | Depth-adjusting system for a power tool A depth-adjusting system for a power tool includes a housing nose portion on which is snapped a two-piece, molded plastic depth-adjusting subassembly. Each member of the subassembly engages a respective area of the nose portion. An adjustment member is ro... | 03/03/1987 |
| 4411564 | Indexable cutting insert having radiused cutting edges An on-edge indexable cutting insert in which each end of the insert is formed with a convexly curved surface which gradually decreases in area per unit of length as the curved surface proceeds away from the cutting edges so as to form each cutting edge wi... | 10/25/1983 |
| 4354779 | Drilling tools A depth stop for a drilling tool comprises a rod 12 mounted on the tool body for sliding movement in directions parallel to the drilling movement, and a locking lever 15 pivotally mounted about a pivot boss 16 which projects at a substantially right angle... | 10/19/1982 |
| 4256422 | Drilling machine with a drilling stop In a drilling machine, a rod-like stop member is mounted on the machine housing for limiting the extent to which a tool held in the machine can drill into a receiving surface. A handle lever, fitted on the housing, releasably locks the stop member in the ... | 03/17/1981 |
| 4113404 | Depth stop for a drilling machine A depth stop is mounted on the casing of a drilling machine and includes a clamping lever with a bore through which an elongated rod extends. The rod acts as the stop. Lugs attached to the casing pivotally support the clamping lever. The lever has a clamp... | 09/12/1978 |
| 3954347 | Drilling machine An improved drilling machine for cutting holes for knobs and latches in metal-clad doors comprises a supporting framework for the door and a hollow drill arranged to be moved upward from the underside of the door to cut the knob opening. The drill is holl... | 05/04/1976 |
