Quotables
"The radio craze will die out in time."
Thomas Edison ; 1922
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7364389 | Deburring tool A deburring tool includes a blade having a cutting head portion, an anchor portion, and a retention spring. An arbor is adapted to removably mount the blade such that the head portion of the blade is adapted to be elevated a predetermined distance from the arbor in ... | 04/29/2008 |
| 7179024 | Tool with deployable cutting blade A tool having a deployable cutting blade for making an undercut in a substrate is disclosed. The tool has a chamber positioned between its cutting tip and its tang. The cutting blade is movably mounted within the chamber. The blade is movable by sliding, pivoting or... | 02/20/2007 |
| 7172373 | Deburring tool with quick change knife The invention relates to a deburring tool with a quick change knife, which is formed by at least two parts, namely a guide sleeve having a larger diameter and a center bore, and a base body that can be inserted in the center bore in an axial direction. The base body... | 02/06/2007 |
| 7172374 | Backspot facing tool A backspot facing tool includes a shaft and a cutting element. The shaft has a first and second ends and a recess located near the first end. The shaft also includes an outer circumference and is centered on a first axis. The cutting element has an inner portion and... | 02/06/2007 |
| 6997655 | Deburring tool A deburring tool is adapted to be rotatably mounted in a chuck of a drive motor to perform deburring operations. The deburring tool includes an arbor and a blade having a cutting head portion defined at one end thereof and a clip portion defined substantially at the... | 02/14/2006 |
| 6825630 | Machine tool, tool, and tool holder A longer life, low cost tool and tool holder enabling change of posture with respect to a spindle, having a high machining accuracy of a workpiece, and resistant to generation of vibration or heat, provided with a working tool for processing a workpiece, a motor hav... | 11/30/2004 |
| 6505692 | Drill for forming undercuts in bores A drill for forming undercuts in cylindrical bores formed in stone or concrete and including a drilling member (2;22) having a stem (3;23) provided, at its opposite longitudinal ends, respectively, with a shank (4;24) receivable in a chuck of a hand-held ... | 01/14/2003 |
| 6402440 | Tool assembly A tool assembly affording a wider range of adjustment of machining diameter, comprises a boring bar and a tool cartridge supporting a cutting tip and attached to the boring bar. The tool cartridge chassis is pivotably attached via a pin within a recess fo... | 06/11/2002 |
| 6394710 | Tool and method for processing perforations A tool having a base body is proposed, on which at least one cutter holder, preferably a rocker-type cutter holder, is mounted such that it can be adjusted transversely with respect to the axis of the tool. The cutter holder carries a cutter and rests via... | 05/28/2002 |
| 6270296 | Fluid pressure operated spotfacing and counterboring tool A tool holder, which has a tool bit pivotal in a recess in one end thereof, extends coaxially through a generally bell shaped piston housing, and through the center of a piston slidably mounted on the holder for limited reciprocation in the housing axiall... | 08/07/2001 |
| 6036695 | Surgical instrument In a surgical instrument for forming a flared region of a hole, a tool radially extends in response to the instrument engaging a surface of a hole in a substrate. The instrument can include a passage sized to receive a guide wire.... | 03/14/2000 |
| 5927911 | Automatic fluid actuated spotfacing and counterboring tool A spotfacing and counterboring tool has therethrough an axial bore communicating at one end with a recess containing a pivotal cutter blade connected to an actuator which is reciprocable on the tool between a first limited position in which it moves the c... | 07/27/1999 |
| 5897273 | Deburring tool and process on a hole opposite the tool A deburring machine essentially comprising a cutting tool (13) which pivots on an axis (16) that is perpendicular to the axis of rotation (X) and which may be retracted inside the cover (11) by a wedge (10) so that the cover (11) may be inserted through a... | 04/27/1999 |
| 5848860 | Automatic back and front spotfacing and counterboring tools A cylindrical tool body is chucked at one end in a drive spindle, and has in its opposite end a cutter blade pivotal into and out of a recess in the tool body between inoperative and operative positions, respectively. The pivoted end the cutter has thereo... | 12/15/1998 |
| 5817095 | Undercutting surgical instrument An undercutting surgical instrument comprises a housing disposed along a longitudinal axis between a proximal region and a distal section which is sized to be inserted into a hole in a bone. A passage with an open end at the distal section is disposed thr... | 10/06/1998 |
| 5810523 | Apparatus for drilling a hole having an undercut space It is the object of the present invention to drill a hole and, at the same time, transmitting an application force exactly to an undercutter for forming an undercut space in the cylindrical wall of the hole at a position near the hole bottom. An apparatus... | 09/22/1998 |
| 5797709 | Drills An expansible drill is provided for drilling and undercutting holes. The drill comprises a rotatable tubular drill body having a drill head at one end for cutting a bore. At least one undercutting arm is located within a slot in the drill body and attache... | 08/25/1998 |
| 5704743 | Deburring tool A deburring tool which has a holder from which an elongated sleeve extends. A blade is arranged in the sleeve close to the free end thereof which can be moved inside or outside the sleeve with a movable pin. The blade extends outside the sleeve through a ... | 01/06/1998 |
| 5702212 | Drilling device for producing drilled holes with an undercut In a drilling device for producing drilled holes with an undercut, in particular in facing panels of stone, ceramics, concrete or similar materials a drive motor of a drilling shaft is mounted so as to swivel, is displaced outward by a sloping surface, an... | 12/30/1997 |
| 5544989 | Apparatus for making a drilled hole with an undercut The drilling apparatus for making a drilled hole with an undercut includes a drive device for rotating a hollow drilling shaft (3); a drill bit holder (23,38) held in the hollow drilling shaft (3); a drill bit (4,26) having a drilling head provided with l... | 08/13/1996 |
| 5520077 | Numerically controlled contouring head having translation of axial spindle movement into radial cutting edge movement A contour head apparatus for effecting a radial adjustment of a cutting edge tool is disclosed. The contouring head apparatus is adapted for use with a numerically controlled spindle and sleeve, the sleeve capable of rotation about a first axis and the sp... | 05/28/1996 |
| 5462393 | Drilling apparatus for producing drilled holes with undercuts Drilling apparatus (50) for producing drilled holes with undercuts, with a drill (15), the drill shank (19) of which has a side cutting edge (14) protruding radially beyond the periphery (18) of the drill shank, and, on its circumference, opposite the sid... | 10/31/1995 |
| 5393177 | Tool wear compensation system Alternative tool wear compensation modules employing drawbar actuated tool position adjustment or electrically activated solid-state prime mover adjustment including means for physically sensing and verifying the extent of adjustment without awaiting the ... | 02/28/1995 |
| 5304019 | Rotating drill head with a boring bar which is pivotable by a slight distance transversely to the axis of rotation by fluidic means Rotating drill head with a boring bar which is swivel able by small amounts transversely to the rotational axis by fluidic means, with a base, a driven member located opposite the base, a pressure chamber arranged between the base and driven member and ha... | 04/19/1994 |
| 5256010 | Machine tool A machine tool is disclosed having an inverted spotfacer chucked in a rotatable tapered spindle socket. The inverted spotfacer comprises an actuation shaft being rigidly axially connected to a tapered shank which, in turn, is chucked in the socket. A shou... | 10/26/1993 |
| 5209145 | Spherical boring tool A tool is described for boring spherically curved inner surfaces consisting of a main body which rotates about its longitudinal axis during the boring operation. A swivel housing is mounted on an axle bolt in the main body and can thus be swiveled about a... | 05/11/1993 |
| 5203856 | Tool for finishing and chamfering a hole A tool mechanism for machining a hole side surface, and for chamfering the ends of the hole, includes a boring cutter and two chamfer cutters oriented so that during an axial infeed of the cutter assembly the hole side surface is machined and a chamfer is... | 04/20/1993 |
| 5174695 | Fineboring machine and process for producing bores with any polar and/or axial generating line Safe and structurally simple design for a finebore machine with a turning tool (3) mounted on a boring bar (2), whereby the excursion of the turning tool is produced by a piezoelectric servomotor without any magnetic actuation. This is achieved in the fol... | 12/29/1992 |
| 5110238 | Drills The invention relates to improvements in drills for undercutting holes and in particular to expansible drills. The drill according to the invention comprises a rotatable tubular drill body having an axial bore, at least one radially extending arm attached... | 05/05/1992 |
| 4992010 | Device for forming an undercut in a drilled hole A device for forming an undercut in a drilled hole comprises a stem having a pivotal reaming element at a lower end thereof, and a guide tube in which the stem is longitudinally displaceable with the reaming element pivoting radially outwards from the gui... | 02/12/1991 |
| 4979852 | Automatic pivot head An adjustable tool holder for cutting tools in boring machines having an internal drawbar includes a housing pivotally connected to a rotary spindle and a forwardly disposed cutting tool. A wedged camming surface is positioned forwardly on the drawbar for... | 12/25/1990 |
| 4847961 | Method and apparatus for stitch-machining deep cavities in metal workpieces Stitch-machining the walls of a cylindrical blind cavity of a workpiece, the cavity being deep and narrow with respect to the axis of the cavity, is carried out by: (a) supporting a tubular housing for axial movement throughout substantially the axial ext... | 07/18/1989 |
| 4819525 | Rotary cutting tool device and method for use A rotary cutting tool useful for remotely machining tube ends, and method for using the tool to remotely machine a tube end portion such as for weld preparation. The cutting tool comprises an elongated main body having a reduced diameter front end portion... | 04/11/1989 |
| 4738255 | Suture anchor system A suture anchor system that includes a drill for turning into a bone mass with sissoring blades pivotally connected in a longitudinal drill shaft slot proximate to a cutting end thereof, the blade ends to sissor to extend cutting edges outwardly therefrom... | 04/19/1988 |
| 4729699 | Device for performing spot-facings, in particular at the non-accessible end of through-holes The device comprises a body longitudinally provided with a stem which is suitable for being inserted into the hole of a part being machined. On the body an element is slideably coupled which has an element for attachment to the mandrel of the machine tool... | 03/08/1988 |
| 4708546 | Rotating cutting tool holder for bit generation A rotary cutting tool holder and method for precise generation of a radial cutting bit under high speed settings includes a rotary housing having an axially mounted actuating bar, a cylindrical shank with attached cutting bit rotatably mounted in a second... | 11/24/1987 |
| 4697484 | Rotating drilling head A rotating head or the like having a drilling spindle and a tool carrier with an arrangement to finely adjust the tool carrier in a direction transverse to the axis of rotation of the spindle characterized by a wedge carrier which is mounted on the spindl... | 10/06/1987 |
| 4692069 | Cutter head The invention relates to a cutter head having a substantially cylindrical main body and a plurality of replaceably cutting elements disposed at the periphery of said main body and having at least one cutting edge in the axial and/or radial direction of sa... | 09/08/1987 |
| 4690594 | Deburring apparatus Deburring apparatus for removing the burrs which are formed at the intersecting inner edges of at least two intersecting bores of a workpiece comprises; a frame having means for holding the workpiece; a cutter spindle borne rotatably in the frame; a cutte... | 09/01/1987 |
| 4630978 | Thread chasing tool A tool for cleaning or repairing the screw threads on studs, bolts and the like comprises inner and outer relatively slidable sleeve members and a series of die elements rockably mounted between the sleeve members adjacent one end or mouth of the tool so ... | 12/23/1986 |
