Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| 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 |
| 7322778 | Tool with selectively-biased member A tool for working a workpiece has a slot provided between a pair of extremities at its distal end. The extremities have cutting blades mounted thereon. The slot is configured to receive a plate. The tool has a conduit running along its axis for communication of pre... | 01/29/2008 |
| 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 |
| 7090445 | Tool with selectively-biased member A tool for working a workpiece has a slot provided between a pair of extremities at its distal end. The extremities have cutting blades mounted thereon. The slot is configured to receive a plate. The tool has a conduit running along its axis for communication of pre... | 08/15/2006 |
| 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 |
| 6932549 | Mandrel-holding slide or sleeve pod for numerical-control machine tools In a numerical-control machine tool use is made of a mandrel-holding structure that makes it possible for the machine tool to be used to smoothing/facing and polishing purposes under utilization of traditional pan-like tools, in which the force acting on the working... | 08/23/2005 |
| 6802679 | Drilling tool The invention relates to a drilling tool comprising a tool holder, on whose front face interchangeable cutting attachments are fixed and which has a shaft part on the opposite end to said attachments and an adjusting device for minimizing the tolerance measurement d... | 10/12/2004 |
| 6533505 | Deburring tool A deburring tool capable of removing burrs and placing chamfers on circumferential edges surrounding both front and back side openings of a borehole, wherein the tool includes an elongated cylindrical arbor, a resilient arm section, and a replaceable cutt... | 03/18/2003 |
| 6238150 | Drilling tool A drilling tool includes a tool main body having a cutting edge at its forward end, a groove provided in the outer peripheral surface provided at the forward end of the tool main body, a cartridge accommodated in the groove and capable of elastic deformat... | 05/29/2001 |
| 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 |
| 5803679 | Deburring tool for deburring the edges of boreholes A deburring tool for deburring the edges of boreholes. The tool has a base body in which at least one recess aligned across the longitudinal axis of the base body is provided, where at least one blade is arranged in said recess so it can be displaced unde... | 09/08/1998 |
| 5713703 | Pressure controlled cutter bit retainer with precision adjustable cutter bit A pressure controlled cutter bit or drill bit retainer in the form of a revolving drill head with hydraulic precision adjustment of the drill bit arranged at a central extension, which is displaceable from its original position by small amounts around a p... | 02/03/1998 |
| 5417525 | Deburring attachment for a honing tool Burrs formed at the ends of a bore during a honing operation performed by a single pass honing tool are removed by a deburring attachment which is carried on the leading end of the tool. The attachment includes one set of spring-loaded blades which remove... | 05/23/1995 |
| 5322398 | Tools for machining bores The tool for machining bore transitions includes a holder drivable rotatably through at least one rotation, and drivable in an advance stroke and in a return stroke; and a spring wire having at least two resilient arms with overlapping movable free end, t... | 06/21/1994 |
| 5281059 | Tool for repairing damaged threads in a blind hole An adjustably expandable fluted tap to reform damaged threads defined in a blind hole, such as a spark plug hole. The tool provides an elongate body with a first end defining an expandable fluted tap having a relaxed diameter smaller than but matingly sim... | 01/25/1994 |
| 5277528 | Micro deburring tool A deburring tool including an elongated arbor having a replaceable unitary cutting tool and an assembly holder adapted to removably receive and mount the arbor. The arbor includes a head portion disposed at one end of the arbor and a slot defining a pair ... | 01/11/1994 |
| 5228812 | Throw-away tipped drill A throw-away tipped drill has an insert removably connected to a shank for cutting a workpiece. The insert (31) and the shank (32) have mutually engaging surfaces respectively, and a slit (34, 39) is formed either in the insert (31) or in the shank (32) f... | 07/20/1993 |
| 5181810 | Deburring tool with cutting blade A deburring tool has at least one cutting blade mounted in a guide recess of the tool for deburring and chamfering bores. The blade is of rectangular shape with forward, non-cutting end face and longitudinal side faces extending rearwardly from the end fa... | 01/26/1993 |
| 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 |
| 5161924 | Method and tool for concentric backchamfering on a turning machine A chamfering tool and method for use in the precision backchamfering of a rotating part. The chamfering tool has a cutting head portion selected to match the size of the surface to be chamfered. Behind the cutting head is a shank portion of reduced diamet... | 11/10/1992 |
| 5157823 | Apparatus for supporting a machine tool on a robot arm An apparatus for supporting a machining tool on a robot arm is disclosed having first and second support members with the second support member attached to the first support member by torsion bar elements so as to be movable with respect to the first memb... | 10/27/1992 |
| 5139371 | Clamp for circular cutting tool A clamp for circular cutting tools (2) has a bearing bore (6) at the clamp head (5) in order to support a cup-shaped insert (7). The receptacle (9) of the cup-shaped insert (7) is elastically deformable and has a recess configured as a truncated hollow co... | 08/18/1992 |
| 5135338 | Deburring tool with tilt blade Described is a deburring tool with tilt blade for deburring bore edges whereby the tilt blade swings into the tool holder in a vertical direction when travelling through the bore. It features a locking device designed as bar spring which engages in a curv... | 08/04/1992 |
| 5116171 | Pressure controlled cutter bit retainer with precision adjustable cutter bit A pressure controlled cutter bit or drill bit retainer in the form of a revolving drill head with hydraulic precision adjustment of the drill bit arranged at a central extension, which is displaceable from its original position by small amounts around a p... | 05/26/1992 |
| 5054974 | Tool holding device The tool holder, which serves principally for receiving a thread cutting tool, has a length compensation under tension and compression. This purpose is served by two compression springs which comprise massive elements of foamed, open and closed cell polyu... | 10/08/1991 |
| 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 |
| 4903785 | Drilling and chiseling tool bit A drilling and chiseling tool bit includes a tool bit head, an axially extending shank and an insertion end for insertion into a drilling or chiseling device. The shank extends between the tool bit head and the insertion end and is divided into individual... | 02/27/1990 |
| 4844670 | Cutter for the deburring of bores A cutter for the deburring of bores comprises a rectangular edged cutter element having taperingly extending cutting edges, having clearance surfaces ground undercut and comprising a convexly ground contact surface on one end of the cutter head for contac... | 07/04/1989 |
| 4842451 | Deburring drill bit A deburring drill bit having a shank, an elongated shaft, a drill bit head having forward drilling surfaces formed in the head, and rearward deburring surfaces formed behind said forward drilling surfaces, whereby drilling and deburring can be performed i... | 06/27/1989 |
| 4818155 | Power tool system including adapter and coupling member therefor A power tool combination including a hammer drill, an adapter secured to the drill for attaching it to an elongated rod which bears on the floor, a pneumatic cylinder and piston unit mounted between the elongated rod and the drill for applying an uniform ... | 04/04/1989 |
| 4780029 | Adjustable tool holder A tool holder for a numerically controlled machine tool, in which a cutting edge provided on a base member is adjustable with respect to a reference surface on the base member by adjustment means. The adjustment means comprise a U-shaped slot in the base ... | 10/25/1988 |
| 4775268 | Boring device Boring device which permits the taking of dimensions with precise tolerance, characterized in that it is designed with and comprises means which permit the taking of dimensions by deformation of the neutral longitudinal axis of the tool carrier axis, whic... | 10/04/1988 |
| 4732514 | Device for use in reshaping the gate of a metal mould for plastic injection moulding Disclosed is a device for use in reshaping the gate of a metal mould for plastic injection moulding. A device A for reshaping the gate recess 7 of a metal injection mould 3 for plastics injection moulding when the recess has become worn comprises a cylind... | 03/22/1988 |
| 4718798 | Elastically connected, two-part tool support, particularly for a robot This invention relates to a tool support, particularly for a robot, of the type comprising two parts connected together by an assembly of elastic plates which, at rest, are disposed tangentially to a circle concentric to a reference axis of said robot wit... | 01/12/1988 |
| 4687384 | Hand tapping device A hand tapping device has a driving rod at one end provided with a handle and a chuck at the other end for holding a tap. A housing located between the rod and chuck is attached at one end to the rod for axial movement and at the other end to the chuck. A... | 08/18/1987 |
| 4622871 | Cutting tool compensator for stationary machine tool A machine tool of the type wherein a non-rotating cutting tool cuts a workpiece which rotates about a longitudinal axis of rotation. The machine tool includes a block member having the cutting tool attached thereto, the block member being coupled to a hou... | 11/18/1986 |
| 4606680 | Reamer core drill with cutting bits A device for boring holes has a geometrical longitudinal axis, a clamping zone, a shank having a front end zone, two turnover plates fastened on the front end zone of the shank in opposite positions, and a chip space in front of each turnover plate. In th... | 08/19/1986 |
| 4589805 | Boring and deburring head and boring and deburring tool capable of being fastened therein, and method for boring and deburring a workpiece The boring and milling head (11) is designed to receive a boring and mill tool (91) provided with a clamping device (55) having a hollow clamping cone (57) and a conical clamping wedge (61), the device being connected in order to resist torsion, to a dri... | 05/20/1986 |
| 4580932 | Deburring tool A deburring tool for deburring the irregular or out-of-round edge of holes drilled in a workpiece having a shank with a self-piloting head and a blade associated with that head, a mechanism for permitting the blade to move axially within limits of movemen... | 04/08/1986 |
| 4527537 | Dressing tool for grinding wheels A diamond point type dressing tool with means for adjustment to dead center within a tolerance of &#b1;0.0001" is mounted to a control head assembly capable of producing horizontal, rotary and vertical movements of the tool either independently or simulta... | 07/09/1985 |
