"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7942617 | Nose tip control for cordless high speed rotary tool A control mechanism for a rotary hand tool of the type having a generally cylindrical housing in which a drive motor is located, the housing having a nose portion from which a motor output shaft extends and a grip portion, the mechanism including an electrical contr... | 05/17/2011 |
| 7427722 | Power hand tool A power hand tool includes a rotary adjustment knob for adjusting maximum output torque, which has a plurality of radial ribs, radial locating grooves alternatively arranged on the inner sidewall thereof, and a locating member for supporting the rotary adjustment kn... | 09/23/2008 |
| 7402008 | 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 ... | 07/22/2008 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7168897 | Planing/chamfering attachment for a rotary hand tool A planing attachment for a rotary hand tool of the type having a generally cylindrical body with an output shaft at a nose end thereof to which a cutting bit can be attached, the attachment being configured at an attaching end to matingly engage the nose end of the ... | 01/30/2007 |
| 7108464 | 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,... | 09/19/2006 |
| 7104739 | Milling disk for a floor machining appliance A milling disk for a floor machining appliance has a plurality of mounts for holding interchangeable plate-like milling tips, the milling disk being driven for rotation by the floor machining appliance and being held substantially parallel to the substructure to be ... | 09/12/2006 |
| 7073993 | Switch assembly The present invention is directed to an apparatus for providing convenient control of a power tool electrical system. A switch assembly of the present invention includes a first actuator and a second actuator, which is disposed remotely from the switch and first act... | 07/11/2006 |
| 7070371 | Chamfering air tool A chamfering air tool includes a driving shaft in a casing rotated by air pressure, a rotary shaft perpendicularly combined to the driving shaft for rotation, and a cutter fixed to the rotary shaft. Air holes are formed through the rotary shaft in a longitudinal dir... | 07/04/2006 |
| 6896454 | Electric power tool An electric power tool including a housing 2 having a motive power 3, and a tool holder 19 coupled to said motive power 3 for receiving a cutting tool, a base plate 4 having an opening 5 through which said cutting tool exten... | 05/24/2005 |
| 6835032 | Rotary power hand tool having a flexible handle and attachment system A preferred embodiment of the present invention is directed to a detachable flexible handle for a power hand tool and an attachment system associated with the handle and the tool for releasably attaching either a rigid or the flexible handle to the power hand tool. ... | 12/28/2004 |
| 6679658 | Quarter turn accessory coupling apparatus A combined rotary hand tool and accessory attachment includes a rotary hand tool having an output shaft and a nose end associated with the shaft. An accessory attachment has a mounting portion configured for releasable attachment to the nose end and an en... | 01/20/2004 |
| 6592307 | Planing device for removing weld beads on car sheet metal A planing device for removing weld beads on car sheet metal, which comprises a handle, a cylinder cover and a support frame; the front end of the support frame is mounted with a round milling cutter; the inner side of the round milling cutter is furnished... | 07/15/2003 |
| 6585018 | Linear guide for shaping tools First and second guide plates are engaged for linear sliding between them by a channel and rib engagement system. A grooving tool is carried by the plate associated with the rib, and the rib is in axial alignment with the tool head, such that the tool hea... | 07/01/2003 |
| 6491483 | Carving/planing attachment for a rotary hand tool An attachment adapted to be mounted to the nose piece of the rotary tool or to the outer end of a flexible drive extension is disclosed. The attachment encircles the collet and bit at the base end portion of the attachment and has an extension portion tha... | 12/10/2002 |
| 6213694 | Device for repairing metal-stamping dies A metal mold repair tool is provided for leveling the work surface of stamping dies used in metal forming operations. The repair tool includes a pair of guides disposed on opposite lateral sides of a rotary finisher to precisely position the finisher with... | 04/10/2001 |
| 6138372 | Router guide apparatus The present invention provides a guide apparatus for use with a portable router, for enabling the router to rout an edge of a workpiece at virtually any angle between 0° and 90°. The guide apparatus comprises: a main body for receiving a router base and... | 10/31/2000 |
| 6079302 | Saw and saw blade for simultaneously cutting and beveling A saw for simultaneously cutting and beveling including a cut-off saw, a cutting blade, and a beveling blade. The cutting blade cuts simultaneously while the beveling blade bevels. The beveling blade preferably has a head with two faces annularly connecte... | 06/27/2000 |
| 5998897 | Router chuck mounting system Improvements made to a router relate to a router chuck and collet mounting system. In a preferred embodiment, the present mounting system comprises mating a top face of a router chuck with the lower surface of an inner race of an armature shaft bearing an... | 12/07/1999 |
| 5993125 | Electrode tip dresser The present invention provides a tip dresser for cutting and repairing spot welding electrode tips of a pair of electrodes. The tip dresser includes a rotative member having opposite sides and rotatable around centerline of M--M passing through the opposi... | 11/30/1999 |
| 5913645 | V-block mounting for fixed-base router with deflection limitation rib The fixed-base router includes a base assembly and a cylindrical motor housing. The base assembly has a tubular member defining a vertically disposed inner cylindrical surface with two longitudinally extending support ribs. The tubular member has a longit... | 06/22/1999 |
| 5813805 | Spiral cutting tool with detachable handle A detachable handle is provided on hand-held power tools, such as spiral cutting tools, in which cuts are made by positioning the axis of the cutting tool motor housing perpendicular to a workpiece surface, and moving a cutting tool bit through the workpi... | 09/29/1998 |
| 5743686 | Pattern sizing tool A pattern sizing tool for use as a milling device for removing a portion of a surface of a stiff material to leave a desired thickness of material and is particularly useful for milling a hard plastic coping like that produced in a tooth replacement proce... | 04/28/1998 |
| 5678965 | Core router and method A device and method are provided for reducing a length of an annular core on which a roll is mounted. If the core extends beyond the end of the roll, the roll is unstable when it is stacked. This device and method will trim the length of the core extendin... | 10/21/1997 |
| 5669744 | Rotary chisel A high-speed carbide rotary cutting tool designed for use in the carving, cutting and shaping of most materials including, but not limited to, wood, ferrous and non-ferrous metals, bone, stone, plastics and composites. It is designed for use in high-speed... | 09/23/1997 |
| 5401127 | Rotative cutting tool of tip dresser The present invention is directed to presenting rotative cutting tool of tip dresser. The blade to cut and repair side surface and/or edge surface of welding electrode tip is mounted in the holder with first tapered portion having the same angle of the bl... | 03/28/1995 |
| 5288185 | Process and device for forming electrodes in a spot welding gun or the like The invention relates to a process and a device for dressing truncated conical tips of electrodes in a spot welding gun, press or the like. According to the process, each electrode tip is dressed both on its truncated conical lateral surface on its end su... | 02/22/1994 |
| 5224803 | Router device A router attachment for adapting a conventional screw gun for cutting sheets of drywall material includes a housing that is removably securable to the housing of the screw gun, an input shaft rotatably mounted in the housing for coupling with the screwdri... | 07/06/1993 |
| 5213457 | Planer with improved bearing mounting The invention relates to a device for performing a machining movement with at least one rotatable planing knife, comprising: a planing knife holder fixed rotatably in a carrier with a first and a second shaft and a first and a second bearing, wherein at l... | 05/25/1993 |
| 5210991 | Method for making the foundation slabs of a paper machine before the installation proper of the machine The invention concerns a method for making the foundation slabs of a paper machine. In the method, reinforcement strands are fitted inside a mold for a base beam. Before filling-concreting of the mold, a base slab provided with a plurality of foundation b... | 05/18/1993 |
| 5176478 | Fiberglass planing machine A rotary stripper tool comprising a housing; a motor supported on the housing; a shaft supported in the housing; a cutter head supported on the shaft; a drive between the motor and the shaft for rotating the cutter head; guides on the shaft; a vacuum supp... | 01/05/1993 |
| 5152644 | Guide for precision shaping tool A guide is provided for a shaping tool having a substantially cylindrical housing, a rotatable shaping member extending from one end of the housing and a drive motor for rotating the shaping member. The guide includes an elongated hollow member, a shaft t... | 10/06/1992 |
| 4993897 | Router combination for installing weather-strip seals A tool for the advancement of a router cutter along a door or window jamb, with its cutting axis at a compound angle, so as to eliptically undercut a channel complementary to a dart-shaped seal anchor having a rib projecting through a slot formed by a red... | 02/19/1991 |
| 4966506 | Welding tip dresser Dressing device for the welding tips of a spot-welding machine consists of a single tool carried crosswise of a cylindrical opening in a tool holder. The tool holder has opposed slots supporting the tool, with one edge of the slots and therefore one side ... | 10/30/1990 |
| 4964765 | Chamfering machine A chamfering machine comprises a casing, a rotating shaft projecting from one end of the casing, a ring-shaped connector enclosing the rotating shaft and having a slit formed parallel to the center axis of the rotating shaft, and also having a downward sl... | 10/23/1990 |
| 4952159 | Chamfering machine A machine for chamfering the corner of an object comprising a rotating cutter arranged in a machine body and having cutting blades around the outer circumference of that portion of the rotating cutter which is projected from and tilted relative to an unde... | 08/28/1990 |
| 4948307 | Stripping device A portable, hand-held machine for stripping hard surfaces such as fibreglass boat hulls which have suffered osmotic deterioration. The machine has a hose fed hydraulic motor for outdoor work and a cutter block fitted with rows of tungsten carbide teeth wh... | 08/14/1990 |