Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 8137164 | Guard device A guard device (10) for handheld power tools with a disklike and rotating tool (12) includes a base body (14) formed by a platelike element (30) having a semicircular embodiment formed as a peripheral region (32). A guard rim is di... | 03/20/2012 |
| 8033896 | Protective cover for a hand-held cut-off machine A protective cover of a hand-held cut-off machine has a bracket that is secured on the exterior side of the protective cover. The bracket is locked in at least one locked position with at least one locking projection in at least one receptacle of the protective cove... | 10/11/2011 |
| 7736217 | Hand-held power tool with protection hood A hand-held power tool for rotating a working tool disc (30) includes a removable protection hood (6) for partially covering the working tool disc (30) during operation, and a clamping device (8) for securing the protection hood (6... | 06/15/2010 |
| 7428881 | Rotary nail filing apparatus for animals A rotary nail filing apparatus for animals is described that includes a shroud or housing, an opening in the shroud that is suitable sized and shaped to allow an end portion of an animal's nail to be put through the opening, and a suitably shaped and oriented rotary... | 09/30/2008 |
| 7311589 | Electric portable power tool with rotatable guard A manually operated electric machine tool for a disk-shaped rotating tool (18), having a machine housing (11) from which a drive spindle (12) for the tool (18) protrudes and on which a hollow cylindrical collar (15) is embodied coa... | 12/25/2007 |
| 7182720 | Machine tool A machine tool has a support table provided on an upper surface of a bed to support a work, a Z-axis saddle, a machining unit mounted on the Z-axis saddle and provided with a machining head, a compartment cover arranged on the bed to compartment a region and a machi... | 02/27/2007 |
| 7096862 | Slab pushing attachment for a stone slab saw A pusher mechanism for attachment to the carriage, saw guard, or other appropriate point of a rotary-blade stone slab saw. Using either signals from a controller of a modern slab saw or self-generated sensor information, the pusher is actuated at a precise time in t... | 08/29/2006 |
| 7063606 | Portable power tool with protective cover A portable power tool, in particular an angle grinder (10), includes a longitudinal housing (12) for accommodating a motor for driving a driven shaft (16) that is outwardly bent relative to the housing (12), the driven shaft being rotatab... | 06/20/2006 |
| 6932683 | Knife sharper having cutting edge protective structure A knife sharpener includes a housing having one or more access slots for receiving knife blades to be sharpened, one or more grinding wheels rotatably received in the housing and disposed close to the access slots of the housing for grinding and sharpening the cutti... | 08/23/2005 |
| 6896605 | Grinding tool with extraction hood A grinding tool comprising a housing (1) and a motor-driven driver spindle (2) equipped with a tool receptacle (4) at a free end (3) projecting from the housing (1). An extraction hood (5) is connected to the housing (1 | 05/24/2005 |
| 6863597 | Chip collecting apparatus for tip dresser In a chip collecting apparatus for a tip dresser of the present invention, a chip pickup case mounted on a dresser main body is divided into an upper case and a lower case, and the lower end of an arm admission port formed in the upper case is opened downward. Durin... | 03/08/2005 |
| 6846231 | Removable sharpening attachment for a rotary hand tool A sharpening attachment for a powered rotary hand tool of the type which has an output shaft with a tool bit holder that extends from a housing is disclosed. The sharpening attachment is mounted on the housing and comprises a body portion with an interior opening th... | 01/25/2005 |
| 6796890 | Extendable wet saw water shield The present invention is a splash shield housing for encompassing wet saws having a trough positioned along the interior of the housing for containing the overspray. The housing can be extended to encompass three sides of a wet saw with the extension maintaining the... | 09/28/2004 |
| 6699114 | Pivotal guards for power hand tools with rotating discs Guards for covering rotating discs of power hand tools wherein said guard includes a movable guard for covering a normally exposed portion of a disc and which is pivotably mounted relative to a body of the power tool such that the it is movable from a fir... | 03/02/2004 |
| 6669544 | Protective hood for a right angle grinder A protective hood (1) for a right-angle grinder having a tightening device, which has a tightening band (4) firmly connected to the protective hood (1) for a right-angle grinder, the two ends (5, 6) of the tightening band being embodied as a first and sec... | 12/30/2003 |
| 6390741 | Safety guard assembly A safety guard assembly is adapted to be conveniently moved into position between a work area and an operator station. The safety guard is characterized by a unitary transparent polymer having a planar portion and ribs that impart to the planar portion ri... | 05/21/2002 |
| 6375558 | Waste containment system and method for an abrading or cutting device Abrading and cutting devices such as saws include waste containment systems and methods to improve removal of slurry or other contaminants from a work area during operations, and separation of slurry from a carrying medium such as air. A vacuum bar includ... | 04/23/2002 |
| 6263866 | Stone cutter A stone cutter has a sink standing upon a callapible support, a frame disposed on the sink including an upright at a corner portion and a guide rod longitudinally secured in the frame, a platform including a tubular slider of splined inner periphery slidi... | 07/24/2001 |
| 6039516 | Extending system In order to improve the operational reliability of an extending system with at least four extending elements (10, 20, 30, 40, 50) which are disposed behind one another and can be moved relative to one another in a direction of extension (B) as well as a d... | 03/21/2000 |
| 5863163 | Cover for a machine bed The invention relates to a cover for a machine bed of a machine tool with covering boxes which can be pushed telescopically one inside another, wherein each covering box comprises a first and a second side wall and a top wall joined to the side walls. On ... | 01/26/1999 |
| 5766062 | Portable power tool A portable power tool for operating a wheel type grinding or cutting working implement comprises a housing (10), a rotating output spindle (11) with a working implement supporting flange (14), a safety guard (16) adjustably supported on a guide flange (15... | 06/16/1998 |
| 5741174 | Multiple grinding machine with contouring feed units A grinding machine utilizing multiple, parallel, endless, abrasive belts for simultaneously grinding several surfaces on a workpiece, such as cam lobes on a cam shaft. The grinding machine includes a contouring head assembly comprising a plurality of cont... | 04/21/1998 |
| 5725418 | Grinding unit A grinding unit for producing standardized tools such as end milling or slot cutters, reamers, twist drills, screw taps, and the like. The grinding unit has a grinding spindle holder that is adapted to be mounted on a base. At least one grinding spindle t... | 03/10/1998 |
| 5676592 | Dual-light assembly for bench grinders A dual-light assembly is provided for a bench grinder having a centrally-located motor housing, two laterally-projecting wheel housings mounted on opposite sides of the motor housing relative to each other, a grinding wheel or wire brush rotatably mounted... | 10/14/1997 |
| 5624363 | Machine tool having a protective cover A machine tool includes a cover member covering an upper open portion of a movable carriage and at least one chain member to connect the cover member to the carriage. The cover member hangs down the front surface of the carriage and forms a U-shape with t... | 04/29/1997 |
| 5525095 | Bench grinder There is described a bench grinder in which the operation of particular functional elements has been enhanced. Among significant improvements are shield-mounted lamps by means of which lighting in the work zones of the grinder is improved. Glare has been ... | 06/11/1996 |
| 5419736 | Device for clearing material waste A device for clearing material waste from telescopic plates of a cutting machine and includes an affixing element and a clearing rubber mounted to an underside of each telescopic plate. The affixing element has at least one groove to hold the clearing rub... | 05/30/1995 |
| 5239978 | Oscillatory abrasive cable power saw An angularly reciprocating pivotable yoke, driven by a motor or a power t, is attached to respective ends of an abrasive coated cable or wire blade to draw the blade back and forth over a workpiece and provide cutting thereof, particularly in close quart... | 08/31/1993 |
| 5012617 | Dual purpose grinding machine A dual purpose grinding machine for use in grinding the blades of the blade cylinder, or the bottom blade, of a cylinder type mowing machine, selectively. The machine has a grinding wheel head with a cylindrical grinding wheel and a cupped grinding wheel,... | 05/07/1991 |
| 4878319 | Machine tool A machine tool, particularly a grinding machine, wherein one or more machine elements (such as a wheelhead, a table or a saddle) are movable along guideways in or on the machine frame. Each of the guideways is overlapped or shielded by a guard, and each g... | 11/07/1989 |
