Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7806752 | Profile strip with grinding element The present invention relates to a profile strip (1), preferably for a cylinder drum (5) comprising a bottom strip (3) which is designed for replaceable retention of a bottom profile (2) comprising a number of brushes (6) and a num... | 10/05/2010 |
| 7485030 | Grinding element for mounting in a groove The present invention relates to a grinding element for mounting in a recess (41) in a surface of a cylindric drum (42) and including a retainer means (2) designed with outer sidewalls that are complementary to sidewalls of the recess (41... | 02/03/2009 |
| 7438633 | Apparatus for grinding a surface comprising two movably arranged hoods The present invention concerns an apparatus (1), preferably for grinding a surface, including at least one grinding unit, a screen (2, 3) and a guide member (5), where the grinding unit is a rotatable and preferably horizontally arranged grindin... | 10/21/2008 |
| 7261622 | Multiple cutting edged sanding wheel An improved sanding wheel configured to rotate axially for sanding or polishing milled contours that will provide sharp edges and corners in the workpiece. The preferred sanding wheel has a cylindrical body with a plurality of segments extending radially from the bo... | 08/28/2007 |
| 7128640 | Drum for drum sander for surface mounting of sandpaper blanks A powered floor sanding system with a rotating sanding drum having a drum core, to which is adhered a compliant sole and thereto a hook component material, using suitable adhesives; in combination with a sanding sheet having a loop fabric laminated to its backside w... | 10/31/2006 |
| 7121937 | Abrasive brush elements and segments A brush segment, a brush element, a brush assembly, and methods of making and using the same are disclosed. The brush segment includes a center portion with inner and outer edges. The center portion also includes first and second side edges. A plurality of bristles ... | 10/17/2006 |
| 7104874 | Razor sharpening apparatus A sharpening apparatus for razors includes a blade sharpener rotatably supported within a housing and driven by mechanical activation or by a motor. An opening in the housing provides access to the blade sharpener for a blade head of a razor containing one or more b... | 09/12/2006 |
| 6500060 | Rotary polishing discs and arbors therefor A rotary polishing disc for dental grinding and polishing includes a disc-shaped piece of sheet of abrasive material fixed to a hub. In one embodiment, the hub is a hollow cylinder which is received onto a rotatable arbor. In another embodiment, the hub h... | 12/31/2002 |
| 6491576 | Grinding tool A grinding tool has radially projecting grinding elements separated by spacers. The grinding elements are provided with radially extending slots. Some of the slots are open-ended. Axially spaced slots alternate in different radial positions.... | 12/10/2002 |
| 6431971 | Abrasive brush This invention provides an abrasive brush having strength and abrasive characteristics similar or superior to those of conventional brushes, and which allows a brush assembly having a desired width dimension and a desired brush surface hardness to be read... | 08/13/2002 |
| 6319104 | Tool for resurfacing machine A tool for use in an abrading or resurfacing machine includes a head portion, a shank portion and a base portion, the shank portion joining the head and base portions and having a shape that tapers outwardly from a narrow neck where it joins the head port... | 11/20/2001 |
| 6261164 | Multiple abrasive assembly and method An abrasive article is formed from a lofty nonwoven abrasive pad and one or more abrasive sheets. In one embodiment, each sheet has an abrasive layer on its front side and a plurality of engagement stems on its back side. Enough of the engagement stems en... | 07/17/2001 |
| 6234886 | Multiple abrasive assembly and method An abrasive article is formed from a lofty nonwoven abrasive pad and one or more abrasive sheets. In one embodiment, each sheet has an abrasive layer on its front side and a plurality of engagement stems on its back side. Enough of the engagement stems en... | 05/22/2001 |
| 5842913 | Rotary drum sander A rotary drum sander is provided with a horizontal boom orienting a rotatable cylindrical drum to cover the spirally wound strip of abrasive material above a work supporting platen. The abrasive material is affixed to the drum by a first and second anchor... | 12/01/1998 |
| 5700187 | Tool to stopper and abrade concave and convex surfaces This tool consists of a deformable plastic supporting base plate (1) bearing on its lower outer surface the stopper and abrasive materials, it further includes two upwards slanting interconnecting elements (2) in indeformable material or plates having a l... | 12/23/1997 |
| 5681211 | Drop-on grinding bit for a grinding apparatus A grinding wheel assembly to be mounted on a vertical drive shaft extending from an electric motor through a horizontal table of a grinding apparatus. The grinding wheel assembly includes a core element that is rigidly secured to the drive shaft. A drop-o... | 10/28/1997 |
| 5588172 | Radial brush A radial brush having a plurality of discrete brush segments mechanically affixed to or mechanically affixed to and bonded to a central core. Each brush segment is a preformed discrete component having a predetermined degree of splay. The brush segments a... | 12/31/1996 |
| 5492498 | Multi-piece sanding wheel A multi-piece sanding wheel having two sanding members mounted about peripheral portions of a disc-shaped support member that is secured to a drive means. Each sanding member includes a C-shaped backing portion with a sanding strip removably secured about... | 02/20/1996 |
| 5380239 | Multi-piece sanding wheel A multi-piece sanding wheel having two sanding members mounted about peripheral portions of a disc-shaped support member that is secured to a drive means. Each sanding member includes a C-shaped backing portion with a sanding strip removably secured about... | 01/10/1995 |
| 5355639 | Device for machining of contours made of a soft material and automatic machining method using such a device Device for machining contours (2) made of a soft material, such as plastic, and essentially including a rotary tool (6) constituted by abrasive elastic plates (5) whose flexibility makes it possible to dampen the jerks of the member (33) bearing the tool ... | 10/18/1994 |
| 5272845 | Rotary surface finishing device A rotary tool for performing surface finishing operations such as sanding, grinding, buffing, polishing and others. The tool has a rotary spindle with a shank portion at one end of which is retained by a rotary chuck of a power source. A portion of the sp... | 12/28/1993 |
| 5233719 | Apparatus and brush segment arrangement for finishing wheel brushes A brush segment for mounting on a slotted support structure is presented. The brush segment generally comprises: a substrate; a carpet of bristles mounted on the substrate in a preferred manner; and, a root system projecting outwardly from a side of the s... | 08/10/1993 |
| 5157874 | Rotary multi-brushes A rotary sander comprising a cylindrical rotary drum carrying a plurality of brushes, a concentric inner retaining sleeve carrying a plurality of sanding units, and a circular top cover and bottom cover. The periphery of the rotary drum has a set of elong... | 10/27/1992 |
| 5088410 | Plate lockup apparatus for printing press A plate lockup apparatus for a printing press includes leading- and trailing-side plate lockup tables, leading- and trailing-side gripper plates, a plurality of plate gripper cams, spring members, and plate tightening cams. The leading- and trailing-side ... | 02/18/1992 |
| 5076167 | Arrangement for the parallel tensioning of printing plates In order that the tension, particularly of large printing plates, and their automatic retensioning, may be regulated uniformly over the entire width without having an adverse effect on the final tensioning by means of tensioning screws (11), a tensioning ... | 12/31/1991 |
| 5074210 | Plate attachment system for a printing machine form cylinder To provide for circumferential support of a stretching spindle (8) having axially extending holding or stretching grooves (9, 10) to retain an end portion (14, 17) of a printing plate and clamp the other end portion (16) against the wall of an axially ext... | 12/24/1991 |
| 5062363 | Flexible printing plate attachment system To clamp a printing form (16), the end portions are inserted into a clamping groove (2, 3) which is formed by a channel (2) extending at an angle into the printing cylinder, and axially thereover. The channel 2 is enlarged interiorly of the plate cylinder... | 11/05/1991 |
| 5016311 | Apparatus and brush segment arrangement for finishing wheel brushes; and method A brush segment for mounting on a slotted support structure is presented. The brush segment generally comprises: a substrate; a carpet of bristles mounted on the substrate in a preferred manner; and, a root system projecting outwardly from a side of the s... | 05/21/1991 |
| 4882880 | Ganging of buffing wheels A ganged buffing wheel assembly driven by a shaft having keys. The assembly is formed of a plurality of axially coextensive cartridges keyed to the shaft. The cartridges are of light weight such that they can be manipulated by a workman without injury to ... | 11/28/1989 |
| 4837985 | Revolving grinding tool A revolving grinding tool (1) comprises a support (2) mounting on a shaft (10) and an interrupted resilient cylindrical abrasive body (4) mounted on a circumferential cylindrical surface (8) of the support with tongue (5) formed on one butting end of the ... | 06/13/1989 |
| 4718204 | Lamellar end grinding wheel The invention relates to a lamellar end grinding wheel in which abrasive flaps engage over one another in tile-like manner along the circumferential zones of a circular disc-shaped back plate and are advantageously fixed with the aid of fingers. The abras... | 01/12/1988 |
| 4648318 | Rubber blanket attachment arrangement for an offset rotary printing machine To reduce the width of the groove (6,7) within which the end portions of rubber blankets (14) of a blanket cylinder are attached, and thus prevent oscillations occurring due to roll-off of the groove against another cylinder, which may likewise have a gro... | 03/10/1987 |
| 4624876 | Hub for a rotatable tool A central hub for a rotatable tool which can be easily a) mounted on a polygonal seat at one end of a rotatable mandrel for rotation of the tool with the mandrel and b) subsequently removed with the tool from the seat of the mandrel. A central opening ext... | 11/25/1986 |
| 4536994 | Curved surface sanding device A device comprising a slotted cylindrical tube mounted on a mandrel is used to sand curved and irregular surfaces. This is achieved by wrapping an abrasive paper strip around the tube. The strip is locked in place by making a fold in the abrasive strip an... | 08/27/1985 |
| 4534138 | Nail file having flexible abrasive sheet A nail file comprises: (a) an elongated holder having an elongated handle, (b) a resiliently flexible sheet having an abrasive surface, (c) and clamping structure on the holder retaining the sheet to the handle so that sheet loosely wraps at least partly about the ... | 08/13/1985 |
| 4437270 | Abrading tool A tool including a wheel of a firm material adapted to be rotated by a drive assembly, and a support strip of elastic resilient cellular material permanently adhered around a cylindrical peripheral surface of the wheel with its leading end in a slot in th... | 03/20/1984 |
| 4199903 | Expandable abrading tool and abrasive insert thereof An abrading tool (20, 20a, 20b) is disclosed as having a tapered arbor (22) and an abrasive insert 24 including a helical element (28) with a plurality of coils (30) that receive the arbor in an axially incompressibly mounted relationship. An abrasive str... | 04/29/1980 |
| 4133146 | Rotary abrasive tool A rotary mandrel which can directly engage sandpaper or other wearing material, to eliminate the need for intermediate devices to couple the mandrel to the sandpaper. The mandrel is constructed with slots that closely receive the edges of the sandpaper to... | 01/09/1979 |
| 4067149 | Sanding, buffing and polishing tools A sanding, buffing or polishing tool the body of which comprises an operating head a peripheral surface portion of which has a configuration defined by a line revolved about its central axis and includes therein at least one longitudinally extending cut w... | 01/10/1978 |
| 4051637 | Cylinder internal grinder An internal grinder for the cylindrical internal surfaces of machine parts that features the provision of a flexible wire secured to an end of the main shaft, a pair of holding elements erected centrally of a base member in opposition to each other, sprin... | 10/04/1977 |
