Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 7614991 | Treadmill desk A treadmill system having a side work surface at a height convenient for a user access for working. The treadmill also has a safety rail that runs longitudinally. A safety belt that may be worn by a user is anchored to the side rail. In one embodiment, the side rail... | 11/10/2009 |
| 7374526 | Tool replenishing apparatus A tool changing apparatus automatically changes tools mounted on the spindle of a transfer machine module. The apparatus includes a tool gripper magazine that releasably holds at least two tools. A guillotine supports the tool gripper magazine for motion between a r... | 05/20/2008 |
| 7356895 | Machine tool Machine tool furnished with: a table (20) free to swivel about a horizontal swivel center axis, and having a table body (22) for carrying a workpiece, and an axially rotatable rotary shaft (23) disposed with the axis of the rotary shaft (23 | 04/15/2008 |
| 7338419 | Tool coupler for connecting tool heads, such as drills, reamers, millers, turn-cutters, dies, and rams, to a tool holder A tool coupler for connecting tool heads, such as drills, reamers, millers, turn-cutters, dies, and rams, to a tool holder. The tool coupler has a hollow shaft, a ring-shaped collar, and a gripper groove, in which gripper groove are disposed two diametrically opposi... | 03/04/2008 |
| 7299726 | Method and unit for transversely cutting cigarette portions or similar on a filter assembly machine A method and unit for transversely cutting cigarette portions or similar on a filter assembly machine, whereby a cigarette portion is fed transversely through a cutting station to intercept a rotary circular blade, which is maintained in a work position by an arm mo... | 11/27/2007 |
| 7289590 | Method and apparatus for handling a tube guide of upper interval equipment of a nuclear reactor A device for handling a guide tube assembly. The assembly has an upper tube and a lower tube in each of which there are fixed horizontal guide plates arranged such that they are spaced apart in an axial direction. The handling device itself includes a gripper having... | 10/30/2007 |
| 7250023 | Drill accessory A tool for a power drill allows fast and convenient loading and unloading of a screw bit, drill bit, or other implement. The user preferably loads the tool with the necessary implements which are then carried with the tool. Each received implement is movable from a ... | 07/31/2007 |
| 7201548 | Weight-compensating device The present invention relates to a weight compensating device comprising a carrier and a component which is supported on the carrier and is displaceable particularly in vertical direction by means of a drive, characterized in that the carrier and the component have ... | 04/10/2007 |
| 7150706 | Machining station A machining station, at least one machining unit, in particular a tool spindle, being provided for the machining of workpieces. The workpiece is approached to a discharge point and picked up there by a workpiece carriage. The workpiece carriage moves the workpiece f... | 12/19/2006 |
| 7150705 | Tool changing device which prevents chips adhering to tool A tool changing device of a machine tool which prevents chips adhering to a tool. By using a drive motor with which a tool changing device of the machine tool is usually provided, to vibrate the tool, the chips are prevented from adhering to the tool, especially to ... | 12/19/2006 |
| 7097603 | Machining centre When exchanging a tool, a tool of a spindle is stored in an empty pocket of a tool magazine, and thereafter, upward movement of the spindle and rotation of the tool magazine are simultaneously executed. At this time, synchronous control is performed in order to prev... | 08/29/2006 |
| 7081076 | Device for automatically mounting and dismantling tools on a robot Device for automatically mounting and dismantling tools (10) on a robot (16), comprising means (1) for storing a number of identical fresh tools (10) and means (11) for centering one of these tools (10) in a position for aut... | 07/25/2006 |
| 7063654 | Machining center Machining is possible in such a manner that an optional position of a workpiece is positioned just under a tool by rotation of a turn table in a C-axis direction and movement of a spindle on a Y-Z plane, so that a width of a main unit in a X-axis direction can be ma... | 06/20/2006 |
| 7033308 | Automatic tool changing device for machine tool An automatic tool changing device capable of cleaning a contact surface of a spindle, which is to be in contact with a tool holder, with a simple structure. The device includes a turret having a plurality of grippers on its outer circumference and holding the tool h... | 04/25/2006 |
| 7027893 | Robotic tool coupler rapid-connect bus A tool changer comprising a master module and a tool module includes a rapid-connect communication bus between the master and tool modules. A unique tool identification number, along with other tool-related information, may be transmitted from the tool module to the... | 04/11/2006 |
| 7024783 | Apparatus for changing operating modules on a coordinate positioning machine A storage port (20) for separating a magnetically coupled task module (18) from a modular probe (16) mounted on a machine comprises a housing (22) and arm (24) receivable by the task module (18). A mechanism is provided for ... | 04/11/2006 |
| 6645132 | Compound machining device A machining device comprising five axial kinetic coordinate systems that can be controlled simultaneously, three axes of which are linear moving axes and two axes of which are rotary axes, with one axis of the five axes being provided with a tool rotating... | 11/11/2003 |
| 6641511 | Movable arm activated tool changer for machine tool system The present invention provides a tool changer for removal and installation of tools in a machining center having a spindle for holding a tool including a tool rack having a plurality of locations for holding tools and a rotatable arm movable between the s... | 11/04/2003 |
| 6589144 | Dental automatic cutting apparatus A dental automatic cutting apparatus is disclosed, having a construction in which cutting tools are made automatically detachable to a chuck and a tool cassette by automatic control mechanism comprising: an engagement means provided to the tool cassette a... | 07/08/2003 |
| 6506143 | Apparatus for finishing inside diameter of work In a finishing apparatus, a plurality of works are retained at distances from each other in a direction of an X-axis. A single spindle is disposed on a table movable in the direction of the X-axis, the spindle has an axis parallel to an axis of each of bo... | 01/14/2003 |
| 6348029 | Machine tool The invention relates to a machine tool comprising at least one machining unit having at least one work spindle which can be driven. The machine tool also comprises at least one tool magazine arranged in the working area, and has actuating devices for aut... | 02/19/2002 |
| 6247999 | Method for automatically exchanging polishing tools in mold polishing device A mechanism and a method for automatically exchanging polishing tools in a mold polishing device. A polishing tool, which is mounted on a spindle of an arm of a robot, is pressed onto and displaced along the work surface to polish the same. A T-shaped hol... | 06/19/2001 |
| 6241645 | Method and apparatus for changing operating modules A magazine which retains tools within the working area of a machine tool has a storage port which is mounted to a base via a compliant mount which provides two degrees of rotational freedom, and two degrees of translational freedom. The mount enables the ... | 06/05/2001 |
| 6200247 | Machine tool with tool changer A machine tool and more particularly a drilling and/or milling machine, which has a machine stand, on which a slide arrangement, which runs on guide rails and is motor driven, is able to be moved in either direction of horizontal motion. On this slide arr... | 03/13/2001 |
| 5947880 | Self-aligning tool holder for use with robotic arms A tool rack support system which includes leaf spring type flexures which allow the tool rack a measure of compliance in both the horizontal and vertical planes. The support system comprises preferably two flexure support assemblies with each assembly pre... | 09/07/1999 |
| 5899839 | Tool changer for machine A tool changer for a machine includes a disc having a number of protrusions extended radially outward and a number of grooves formed between the protrusions. A rod has a projection for engaging with the grooves of the disc and for precisely rotating the d... | 05/04/1999 |
| 5899840 | Tool changer for machine A tool changer for a machine includes a disc having a number of protrusions extended radially outward and a number of grooves formed between the protrusions. A rod has a projection for engaging with the grooves of the disc and for precisely rotating the d... | 05/04/1999 |
| 5702336 | Tool magazine having grips capable of maintaining tool gripping force regardless of orientation of magazine disk A tool magazine having a plurality of grips for gripping tool holders for use in a machine tool. The tool holder gripped at the grip is transferred to a holder portion of a spindle of a machine tool, or the tool holder held in the holder portion is transf... | 12/30/1997 |
| 5499963 | Automatic tool changer An automatic tool changer for a machine tool comprises a first cam (CS) for swinging a turret (38) by cooperation with a first cam roller (21) mounted on a back face of the turret (38); a second cam (CL) for raising and lowering the ... | 03/19/1996 |
| 5478271 | Milling, surfacing and polishing machine with automatic tool change and corresponding device A milling, surfacing and polishing machine with automatic tool change comprises tool fastening and tightening means and tool drive means.... | 12/26/1995 |
| 5201696 | Apparatus for replacement of vacuum nozzles An adapter is attached to the end of a vacuum spindle in order to facilitate automated fastening and unfastening therewith of various vacuum nozzles. During fastening of a nozzle, vacuum is utilized to pull and hold the adapter and nozzle together with a ... | 04/13/1993 |
| 5131900 | Creasing and slitting machine for travelling webs A machine for creasing and slitting a travelling web, such as a cardboard web, characterized by an assembly which includes a carriage having a tool storage device with at least one spare tool and a lever arm mounting a tool for rotation. The lever arm is ... | 07/21/1992 |
| 5020210 | Automatic tool changer for a machine tool An automatic tool changer having a turret (3) provided with a plurality of tool holders (9). The turret (3) is indexed at a tool changing position to remove a tool (7) from a spindle unit (1) and to attach a selected tool (7) to the spindle unit (1). A cr... | 06/04/1991 |
| 4955127 | Automatic tool exchanging device for a machine tool An automatic tool exchanging device for a machine tool, comprising a stopper block (5, 5') attached to a magazine supporting member (2) supporting a magazine (1) at the lower end thereof and capable of swinging to the front and rear, and pulled by an elas... | 09/11/1990 |
| 4905369 | Tool Changer A tool changer has a rotatably supported driving shaft, a cylindrical double-walled support member composed of an inner cylindrical wall and an outer cylindrical wall, disposed coaxially with the driving shaft, and engaged therewith through helical spline... | 03/06/1990 |
| 4835838 | Automatic tool changer in machine tool An automatic tool changer in a machine tool for automatically changing a tool. The machine tool includes a main frame, a main spindle head movably provided to the main frame, a main spindle rotatably disposed in the main spindle head, the main spindle hea... | 06/06/1989 |
| 4827600 | Automatic tool changing mechanism for a machine tool An automatic tool changer for a machine tool of the type having an upstanding spindle rotatably mounted to a spindlehead for joint vertical displacement therewith between a lower machining position and an upper retracted position via a tool change positio... | 05/09/1989 |
| 4807353 | Reciprocating tool spindle and tool changer mechanism operable during spindle backstroke A tool spindle in movable is a forward stroke toward a workpart and in a rearward stroke. A sensing device senses whether a tool chucked on the forward end of the spindle is damaged. A tool changer mechanism enters the rear of the spindle as the spindle m... | 02/28/1989 |
| 4776081 | Multi-spindle head-replacing machine tool In multi-spindle head-replacing type machine tool comprising a machining unit disposed on a base for advancing and retreating movements between an original position and a machining position, a first annular guide rail including a movable rail integral wit... | 10/11/1988 |
| 4761876 | High speed precision drilling system A high speed drilling system is disclosed for high speed drilling of very small holes in workpieces such as printed circuit boards. The X-Y positioning system includes air bearings to provide lift between the stationary guide beams, the crossbeam and the ... | 08/09/1988 |
