...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7472859 | Powered serving winder apparatus for manufacturing bowstring The invention comprises a portable apparatus for the manufacture of bowstrings that facilitates application of bowstring serving cord when producing new custom built archery bowstrings, particularly for compound bows. The invention provides a power driveable device ... | 01/06/2009 |
| 7467760 | Coil arrangement for radio-frequency identification devices, process and apparatus for making said arrangement A coil arrangement for radio-frequency identification devices, process and an apparatus for making such a coil arrangement are described herein. The coil arrangement includes first and second terminals having a geometry different from one another and from the active... | 12/23/2008 |
| 7243874 | Apparatus and methods for winding wire coils for dynamo-electric machine components Apparatus and methods for winding wire coils on a plurality of poles to be assembled to form a dynamo-electric machine component are provided. A plurality of holding members that each hold a respective pole while the wire coils are wound may be provided. Each holdin... | 07/17/2007 |
| 7234685 | Apparatus for raising and lowering a banner An apparatus for raising and lowering an article includes a tube, a motor coupled to the tube for rotating the tube, a plurality of cables secured to the tube and to the article in spaced relation to each other, and a cable indexer synchronously coupled with the tub... | 06/26/2007 |
| 7201344 | Multilayer coil, winding method of same, and winding apparatus of same In a multilayer coil which winds ānā wire rods (4) (ānā is an integer number of two or more) in line around a winding core (2) having a cross section of a polygonal shape. An intersection portion (5) is formed on a face where feeding of ... | 04/10/2007 |
| 7131238 | Method of testing seismic braces Braces for bracing objects in structures against forces due to earthquakes are tested by subjecting components of the braces for attaching the braces to the object or structure to cyclic loading of approximately 15 cycles. The cyclic forces are applied to different ... | 11/07/2006 |
| 7017851 | Coil bobbin structure To provide a coil bobbin structure that allows intersection of the wire to be avoided with a simple structure and improved reliability to be attained, while at the same time, allowing the possible use of automatic winding machines. In a coil bobbin 1 consisti... | 03/28/2006 |
| 6968883 | Multi-application head for fibre strips Multi-application head for fiber strips, consisting of a spool carrier (1), on which a plurality of spools are attached (2) as suppliers of the application strips (3), which are fed separately into the proximity of the application area (4... | 11/29/2005 |
| 6915978 | Method of rod coil forming and set of equipment for its realization This invention relates to rolling and in particular to the process of rod coil forming, for instance, of steel and nonferrous metals, and to a set of equipment for its realization. The method of rod coil forming includes continuous rod feeding through a wire-... | 07/12/2005 |
| 6887032 | Turbo/drag pump having a composite skirt There is provided a rotor for a turbo/drag vacuum pump, the rotor comprising an upstream rotor segment of the turbine type made of metal or alloy, and a downstream rotor segment of Holweck type made of composite material. The downstream segment of the rotor has a re... | 05/03/2005 |
| 6651920 | Method and apparatus for winding and forming motor coil assemblies A coil winding system and process is provided that includes a coil winding fixture and a coil press fixture. The coil winding fixture includes a pair of winding arms each having a set of in-line winding pins. The sets of in-line pins are arranged parallel... | 11/25/2003 |
| 6540171 | Thread winding apparatus An apparatus for winding a thread around a surface of an object while rotating the object. The apparatus includes a plurality of guide members. The guide members selectively guide a plurality of threads to the surface of the object. One guide member corre... | 04/01/2003 |
| 6484960 | Coil winding machine and method of producing deflection coil The coil winding machine includes bobbin holding means for holding a coil bobbin having at each end portion a circumferential guide groove, a nozzle for feeding out a conducting wire for a deflection coil, the nozzle being movable along the inner peripher... | 11/26/2002 |
| 6112792 | Fiber placement mid-span redirect A composite fiber placement mid-span redirect device (10) mounted on a fiber placement assembly (12) guides a plurality of composite material tows (14) along a fiber path from a material supply creel (20) to a fiber placement head (30) during a composite ... | 09/05/2000 |
| 6098913 | Machine for applying a protective material onto a pipe A machine for applying one or more protective layers of material onto a tubular member, for example a pipe, in a substantially wrinkle free and continuous manner. The machine includes a brake tension unit for applying a constant tension to the protective ... | 08/08/2000 |
| 6060973 | Slant winding electromagnetic coil and ignition coil for internal combustion engine using same An electromagnetic coil which may be employed as an ignition coil for an internal combustion engine is disclosed. The electromagnetic coil includes a lower voltage winding portion and a higher voltage winding portion. The lower voltage winding portion is ... | 05/09/2000 |
| 5775626 | Apparatus and method for winding wire around a workpiece An apparatus which includes a nozzle unit, a guide unit, a first winding assemblage and a second winding assemblage, operates such that the first winding assemblage forms a first winding (e.g., a deflection coil on a deflection yoke for use with a cathode... | 07/07/1998 |
| 4907754 | Fiber placement machine A base supports a workpiece form-holding means in either a stationary or rotatable manner. A cross-slide and corresponding fiber creel assembly which is affixed to, and depends from, the cross-slide assembly is carried with respect to the workpiece form-h... | 03/13/1990 |
| 4821407 | Method of manufacturing a deflection unit for a cathode ray tube A method of manufacturing an electromagnetic deflection unit for a cathode ray tube, which unit comprises a field deflection coil consisting of two parts, a line deflection coil consisting of two parts and an annular core of a magnetizable material surrou... | 04/18/1989 |
| 4819323 | Method of manufacturing an electro-magnetic deflection unit for a cathode ray tube An electro-magnetic deflection coil with a flangeless narrow end is wound against the inside of a funnel-shaped support 14. The support 14 opposite the windows of the coil parts 19 has recesses 25 through which axially extending guide elements 26, 27 are ... | 04/11/1989 |
| 4694868 | Apparatus for manufacturing a disc-shaped curved magnet coil A method for manufacturing a disc-shaped curved magnet coil, particularly for a system for accelerating and/or storing electrically charged particles such as electrons. The conductors of the coil to be made are to be arranged around a winding core having ... | 09/22/1987 |
| 4668544 | Multi-layered hollow coil, and an apparatus and method of manufacturing thereof Multi-layered hollow coil and apparatus and method of manufacturing thereof disclosed which includes a first regularly wound first portion of a coil due to a wire from a wire source by rotation of a coil metrix on a rotatable axle and subsequently spirall... | 05/26/1987 |
| 4635457 | Method of winding double-layer motor coils A double-layer coil for an electric motor is formed of a single continuous conductor with the two layers being wound simultaneously. A first length of conductor is wound about a pulley to form a coil and at the end of that coil but without breaking the co... | 01/13/1987 |
| 4612525 | Method of manufacturing a saddle-shaped deflection coil for a picture display tube and deflection system having saddle-shaped deflection coils During winding, the turns of the coil (9) are distributed over a number of sections (27, 29, 31) in which between each pair of adjacent sections an aperture (23, 25) is formed by providing, after winding the first section of the pair, pins (37, 38, 41) in... | 09/16/1986 |
| 4607803 | Rotor/stator winding and method and apparatus for producing same An electromechanical transducer has a coreless rotor or stator winding formed of a series of flat band loops, in case of a long or short cup-shaped cylindrical winding, each of the loops having an active portion inclined to both the axial and tangential d... | 08/26/1986 |
| 4562975 | Apparatus for winding tubular structural components Crash or shock absorbing structural components made of fiber reinforced shetic materials and having portions of different diameters including at least one portion of a larger diameter than another portion, are produced by winding synthetic fibers onto a ... | 01/07/1986 |
| 4547238 | Method of manufacturing a saddle-shaped coil In a method of manufacturing a saddle-shaped coil a wire supplied from a winding station is laid in a continuous process by means of a wire guide against a surface of a non-magnetic molding, which surface is concave in a first direction and convex in a di... | 10/15/1985 |
| 4417699 | Apparatus for winding a wire or thread on C-shaped cores Apparatus for winding a coil or wire or thread on a C-shaped core structure where the coil width is greater than the gap through which it is being wound comprising, a stationary pedestal having a stationary base and upper platform. A first arm having a ce... | 11/29/1983 |
| 4394203 | Process for manufacture of three-dimensional rotational parts and machine for the implementation of such process A machine for the manufacture of rotational parts in a three-dimensional material is disclosed. A mandrel provided with rows of barbs is rotatably carried by the machine, whereby superimposed layers of threads are successively deposited in the longitudina... | 07/19/1983 |
| 4217937 | Coil winding machine An apparatus for winding saddle shaped coils particularly useful as deflection coils for cathode ray tubes. The apparatus can handle single or multiple strands of wire depending upon the coil design, and includes a winding pattern generator (26) connected... | 08/19/1980 |
| 4038805 | Method and apparatus for coiling and packaging electrical cable A method of and apparatus for automatically coiling predetermined lengths of multi-conductor electrical cable and packaging individually wound coils of cable are disclosed. A plurality of monitoring devices are arranged along the cable feed path to a coil... | 08/02/1977 |
| 4029265 | Winding flexible strip material on cores with frusto-conical ends A reinforced plastics material tubular rod has frusto-conical ends and a helical winding of constant angle over the tubular portion of the rod, but varying angle over the frusto-conical end portion of the rod. The winding is formed by apparatus havinglead... | 06/14/1977 |