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 |
| 8256700 | Continuous feed material dispenser with adjustable brake A braking assembly used in a dispenser that dispenses a continuous supply of material such as paper. The braking assembly includes a support structure. A first fixed gear is rotatably connected to the support structure. A movable chassis is also connected to the sup... | 09/04/2012 |
| 7287717 | Strap dispenser with start assist A dispenser having a start-assist for starting rotation of a coil for dispensing flexible material from the coil includes a frame, a support, a shaft mounted to the support for supporting the coil and configured for rotation with the coil and an arm mounted about th... | 10/30/2007 |
| 7185839 | Razor wire dispensing and retrieving apparatus A razor wire dispensing and retrieving apparatus for installing razor wire along a perimeter to create a protective border and collecting the wire when the border is no longer desired. The razor wire dispensing and receiving apparatus essentially comprises a frame w... | 03/06/2007 |
| 7114674 | Electromechanical brake in a slitter An idler roll brake in a paper handing machine wherein the roll brake employs a brake shoe mounted to the roll end bearing. The brake shoe slides forward to bring the brake shoe against the interior surface of the roll. An electromagnet positioned external to and mo... | 10/03/2006 |
| 7104483 | Method and tensioning device for stabilizing and regulating the tension of thread being unwound from bobbins Method and relevant device for stabilizing and regulating the tension of a thread (16) being unwound from a bobbin (18). The method envisages the addition to the unwinding tension (td), of a resistant tension automatically variable in relati... | 09/12/2006 |
| 7017849 | Electromagnetic brake in a slitter An idler roll brake in a paper handing machine employs an electromagnet positioned close to the periphery all of the idler roll which interacts with and induces eddy currents a conducive roll and a gear shaped steel ring fitted within the conducive roll. The electro... | 03/28/2006 |
| 6994290 | Magnetic tape manufacturing apparatus The magnetic tape manufacturing apparatus draws out a wide web-like magnetic tape material wound in roll form from the delivery side, slits the magnetic tape material into a plurality of narrow magnetic tapes by use of a slitter while transporting the magnetic tape ... | 02/07/2006 |
| 6945490 | Traveling yarn tension compensating system A traveling yarn tension compensating system having a pair of vertically disposed, horizontally spaced ball-type yarn tensioning units and a yarn tension compensating device disposed therebetween. The device has a yarn engaging element with a yarn engaging surface t... | 09/20/2005 |
| 6854497 | Concentric tape applicator A concentric tape applicator has a support shaft that defines an axis and includes a structure for supporting a tape pad for rotation with the support shaft about the axis. Guide rollers are mounted on the support shaft for rotation concentrically about the axis for... | 02/15/2005 |
| 6513748 | Process for the operation of a bobbin creel and bobbin creel for a winding system At least one thread tension sensor for each thread is provided on a winding machine. The actual value of thread tension is measured for each thread. The actual value is compared with a specified value in a comparator device and, in the event of a deviatio... | 02/04/2003 |
| 6511011 | Process for the operation of a bobbin creel and bobbin creel for a winding system At least one thread tension sensor for each thread is provided on a winding machine. The actual value of thread tension is measured for each thread. The actual value is compared with a specified value in a comparator device and, in the event of a deviatio... | 01/28/2003 |
| 6457666 | Full-compensating tension controller A strand tension apparatus, including a strand delivery mechanism for controllably delivering a moving strand under tension downstream from a strand supply, a strand take-up mechanism positioned downstream from the strand delivery mechanism for pulling th... | 10/01/2002 |
| 6431481 | Systems, methods and apparatus for winding conductive wires for a stator of an electric motor Systems, methods and apparatus for winding conductive wires for a stator of an electric motor. In one embodiment, a hysteretic tensioning apparatus is utilizing to substantially stabilize tension in a conductive wire supplied to a winding machine. The hys... | 08/13/2002 |
| 6422281 | Adhesive transfer apparatus with take-up roll and a removable cartridge for a master processing apparatus The application discloses an adhesive transfer apparatus comprising a frame, a first feed roll carrying a supply, of an adhesive transfer substrate, and a second feed roll carrying a supply of an adhesive mask substrate. The adhesive transfer substrate ha... | 07/23/2002 |
| 6338447 | Device for tensioning yarn or the like A device for applying tension to yarn or the like, the device including a stator and a rotor. The rotor includes an outer spool around which, in use, yarn or the like is passed and an inner part including a cylindrical sleeve-like portion. The stator incl... | 01/15/2002 |
| 6326578 | Apparatus for applying tension to a wire electrode A device applying device for applying tension to a traveling wire electrode including a controllable torque brake (11), a rotatable tension roller (2) around which a wire electrode (6) is wound, and a drive roller (4) directly linked to the brake means an... | 12/04/2001 |
| 6186434 | Tension apparatus A tension apparatus includes a mechanical section, signal output section, smoothing circuit, maximum value holding circuit, constant current driving circuit, and discharge circuit. The mechanical section has an electromagnetic brake driven by an exciting ... | 02/13/2001 |
| 6158687 | Winding apparatus for paper webs and method of winding paper webs The winding apparatus (1) for a paper, textile, plastic or other material web (2) comprises a reel drive apparatus (5) for driving a reel (3), in order to convey the web (2) in a feed direction (Z) and to wind it onto the reel (3), and a web tension roll ... | 12/12/2000 |
| 6065711 | Yarn brake and textile machine and yarn feed device equipped therewith A yarn brake has a bearing pin, two brake elements for braking a yarn, the brake elements being mounted on the bearing pin for being rotated by the yarn in friction engagement with the brake elements when the yarn is consumed, at least one of the brake el... | 05/23/2000 |
| 6029923 | Magnetic noncontacting tension device for winding yarn A tension device for winding yarn includes a bracket with an inclined face and a braking member accommodated in the bracket. A rotary shaft protrudes from the center of the bracket. A tubular member has a through-hole for the rotary shaft. A forward guide... | 02/29/2000 |
| 5961779 | Laminating and adhesive transfer apparatus A multi-purpose laminating and adhesive transfer apparatus having a frame supporting rotatably engaging nip rollers. A replaceable cartridge is insertable into the frame and has upper and lower feed rolls which may be a laminate, film or paper, or an adhe... | 10/05/1999 |
| 5919333 | Braked linear nipper The braked linear nipper of the present invention comprises a belt roller, belt, and a belt load for applying a squeeze load along a length of a linear material being pulled along the belt by an object onto which the linear material is being wound. The li... | 07/06/1999 |
| 5859656 | Apparatus for providing back tension on a print media web An apparatus for providing back tension onto a print media web comprises a plate having a post extended perpendicularly therefrom. The post is adapted to support a roll of print media thereon such that a web of the print media roll is paid out by rotation... | 01/12/1999 |
| 5804032 | Device for introducing a foil strip into the pinch between two rollers A apparatus having a stock roll of foil and a device for introducing a foil strip coming from the stock roll into a pinch between two rollers. The foil has a glue layer on an outer surface of the foil. A braking member is positioned between the stock roll... | 09/08/1998 |
| 5735998 | Laminating and adhesive transfer apparatus A multi-purpose laminating and adhesive transfer apparatus having a frame supporting rotatably engaging nip rollers which define a nip area. A replaceable cartridge is insertable into the frame and has upper and lower feed rolls which may be a laminate, f... | 04/07/1998 |
| 5584962 | Laminating and adhesive transfer apparatus A multi-purpose laminating and adhesive transfer apparatus having a frame supporting rotatably engaging nip rollers. The frame and has upper and lower feed rolls which may be a laminate, film or paper, or an adhesively coated film or a film having an affi... | 12/17/1996 |
| 5580417 | Laminating and adhesive transfer apparatus A multi-purpose laminating and adhesive transfer apparatus having a frame supporting rotatably engaging nip rollers. A replaceable cartridge is insertable into the frame and has upper and lower feed rolls which may be a laminate, film or paper, or an adhe... | 12/03/1996 |
| 5567269 | Tire bead making apparatus with two winding tension levels A plurality of helically wound tire beads are made by winding them on a forming wheel at two predetermined tension levels. The tension levels are generated by a braking pulley and metallic particle brake in conjunction with a programmable logic controller... | 10/22/1996 |
| 5429319 | Compensating thread brake A compensating thread brake useful, in particular, with warping creels. The thread brake has a rotatable roller whose circumference is at least partially surrounded by and drivable by thread. The roller is connected to the rotor of a turbine. A mechanical... | 07/04/1995 |
| 5422454 | Device for setting wire tension for a wire-cut electrical discharge machine A device for setting the tension of an electrode wire of a wire-cut electrical discharge machine comprises a powder clutch (60) and DC motor (48) mounted on two parallel shafts (54, 66) respectively. The rotation of the DC motor (48) is transmitted by an ... | 06/06/1995 |
| 5385621 | Tire bead-making method with two winding tension levels A plurality of helically wound tire beads are made by winding them on a forming wheel at two predetermined tension levels. The tension levels are generated by a braking pulley and magnetic particle brake in conjunction with a programmable logic controller... | 01/31/1995 |
| 5377926 | Tape tension regulator A tape tension regulator automatically adjusts for minute variations of tension which are inevitably imposed upon a wound tape during its procession, thereby ultimately reproducing information having high picture quality and good sound quality. The tape t... | 01/03/1995 |
| 5324909 | Apparatus for measuring and/or controlling the tension in a ribbon or wire-type electrode of an electric discharge machine An apparatus for measuring and/or controlling the tension in a ribbon or wire-type electrode of an electric discharge machine in which the ribbon or wire-type electrode is passed around a rotatable roller which is in operative engagement with a sensor. Th... | 06/28/1994 |
| 5265817 | Braking device for continuous slitted bands A band slitting installation including a tensioning device allowing braking simultaneously and without friction an assembly of bands which are presented for being wound on the same drum, wherein the necessary braking effort is transmitted to two endless b... | 11/30/1993 |
| 5240194 | Apparatus for controlling the tension of a wire fed to a winding machine An apparatus having a drive pulley around which the wire is rolled, driven by a motor coupled to a speed control element. The pulley is provided with a tachometer which generates a signal proportional to the speed of movement of the wire. An extensometer,... | 08/31/1993 |
| 5216217 | Wirecut electrical discharge machine Accurate control of the tension of a wire electrode in a wirecut electrical discharge machine is achieved by eliminating a direct-current (DC) component from a speed difference signal between a braking section and a recovery section of the machine. The DC... | 06/01/1993 |
| 5190230 | Non-catenary tow winder A winder and method for winding a plurality of yarn strands on a package with each yarn strand on the package having the exact same length to provide an exceptionally low catenary yarn package is described. A plurality of yarn strands are fed individually... | 03/02/1993 |
| 5172989 | Thermal transfer color printer with tensioning roller A thermal transfer color printer for recording color images on recording paper by successively transferring inks of different colors from an ink ribbon onto the recording paper at a recording position. The printer includes a transport member adapted to tr... | 12/22/1992 |
| 5111986 | Web-motion controller The web-motion controller comprises a guide frame (4) with two guide rollers (2.1, 2.2). The lateral deviation of the web 91) downstream of the second guide roller (2,.2) is monitored by a position sensor (8), whose output signal is converted into control... | 05/12/1992 |
| 5080295 | Wire tensioner for a wire handling machine A wire tensioner, for feeding wire from a wire source to a wire handling machine such as a coil winding machine, comprising a tension pulley coupled with an output shaft of a motor via a clutch such as an electromagnetic powder clutch with a variable torq... | 01/14/1992 |