Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8151452 | Portable electrical equipment racking tool A portable electrical equipment racking tool with an onboard power supply, controllers and drive assembly that can raise or lower the drive assembly while operating the drive assembly from a safe distance form the electrical equipment needing replacement. ... | 04/10/2012 |
| 7231708 | Method for marking fuses In a method for marking a fuse in order to allow for the rapid visual identification of certain characteristics of that fuse, the fuse is provided with: a first color-coded visual indicia indicative of an amperage rating of the fuse; a second color-coded visual indi... | 06/19/2007 |
| 6477764 | Apparatus for computer hard drive assembly A computer hard drive assembly device is described which can include a turntable, a motor, and a control. The turntable can include a platform configured to secure computer hard drive components to the turntable. The motor can be coupled to the turntable ... | 11/12/2002 |
| 6279223 | Method for fabrication and testing of a magnichanical sensor A method for fabrication and testing of a magnichanical sensor for proper operation in detecting the presence of a snap ring during manufacture of an object having the snap ring for clasping a bearing. The magnichanical sensor is comprised of a magnetic f... | 08/28/2001 |
| 6205650 | Method of producing and electrical switch A method of producing an electrical switch wherein material is cut out of a sheet or web (1) of electrically conductive material such that a plurality of sets of terminals (5, 6, 7) are formed integral with the sheet (1). A housing (not shown) is moulded ... | 03/27/2001 |
| 6111487 | Electromagnetic relay with a narrow construction and a method of manufacture thereof The relay has, one after the other on an elongate, narrow base body, a magnetic system and a contact arrangement having at least one fixed contact carrier and at least one movable contact spring. The contact carriers are in this case each embedded by a mi... | 08/29/2000 |
| 6081993 | Apparatus for fabrication and testing of a magnichanical sensor An apparatus and method for fabrication and testing of a magnichanical sensor for proper operation in detecting the presence of a snap ring during manufacture of an object having the snap ring for clasping a bearing. The magnichanical sensor is comprised ... | 07/04/2000 |
| 5649353 | Method for making an electrical coil A method for making an electrical coil such as a superconductive switch or an energy dump resistor. The midportion of a coil wire, whose ends are wound around two supply spools, is looped around a radially-extending pin on a shaft. The shaft is turned in ... | 07/22/1997 |
| 5365660 | Method of protecting a circuit in a telephone junction box A protector module (50) includes a housing (52) having cavities (58) into which are inserted surge protector elements (150). Each protector element upon full insertion engages a deflectable contact portion (82) of a first contact member (80) with an activ... | 11/22/1994 |
| 5205034 | Apparatus for assembling relays A method and apparatus for assembling an armature subassembly to a relay subassembly which includes (a) positioning the armature subassembly so the proximal end of the contactor is adjacent the upper wall of the relay frame and the armature is adjacent th... | 04/27/1993 |
| 5093979 | Method for assembling relays A method and apparatus for assembling an armature subassembly to a relay subassembly which includes (a) positioning the armature subassembly so the proximal end of the contactor is adjacent the upper wall of the relay frame and the armature is adjacent th... | 03/10/1992 |
| 5020215 | Method of an apparatus for manufacturing a keyboard A method for producing keyboards primarily includes the following steps: molding character keys of the keyboard in a first injection mold having cavities which coincide with character keys of a commercial keyboard; removing the character keys from the fir... | 06/04/1991 |
| 4907342 | Method of assembling a molded case circuit breaker current transformer assembly A circuit breaker enclosure consists of a cover and a case designed for robotic assembly of the circuit breaker components. A current transformer assembly and a printed wire board containing the electronic trip unit circuit are precisely positioned within... | 03/13/1990 |
| 4796355 | Snap action devices and methods and apparatus for making same An inherently mechanically bistable self-supporting blade element for actuating snap-action switches, circuit breakers and devices, and methods and apparatus for producing such elements. The elements are formed from initially flat, unstressed spring mater... | 01/10/1989 |
| 4795659 | Fabrication of mercury switches Disclosed is a method of fabricating mercury switches. The switches are actived by loading a batch into a common housing of a fixture. The fixture is then rotated in a furnace at a slow speed to prevent breakage. The fixture may include a mesh cage housin... | 01/03/1989 |
| 4724606 | Method and apparatus for making a subminiature fuse A method for assembling terminal cup-shaped end caps over the ends of cartridge-type electrical subminiature fuses during the assembly thereof has for its novel feature the provision of a centered axially extending handling wire attached to the outer face... | 02/16/1988 |
| 4693001 | Apparatus for air gapping the armature in a compound spool valve An apparatus for positioning the spool in the valve body and setting the armature air gap with respect to the core assembly of a compound, spool type valve driven electro-mechanically by a pair of face type opposing solenoids.... | 09/15/1987 |
| 4583954 | Methods of assembling electrical protective devices A protector module (30) for protecting tip and ring conductors of a telephone loop includes a pair of protector assemblies (40-40') which are supported within a common housing (32). A voltage protection subassembly (42) of each protector assembly is conne... | 04/22/1986 |
| 4537743 | Electrode composition for vacuum switch The disclosed electrode composition for a vacuum switch comprises copper, as a principal ingredient, a low melting point metal such as Bi, Pb, In, Li, Sn or any of their alloys, in a content not exceeding 20% by weight, a first additional metal such as Te... | 08/27/1985 |
| 4479299 | Machine and method for assembling high voltage fuses without an internal core An improved machine is disclosed for assembling high-voltage fuses without an internal core, which fuses comprise at least one fusible element helically wound inside a tubular casing made of electrically insulating material and filled with a pulverulent a... | 10/30/1984 |
| 4383357 | Methods of aligning paramagnetic articles Paramagnetic articles such as a stem (14) and an armature (17) are placed into mutual coextensive alignment with a gap (19) of a predetermined width between adjacent portions of such articles. To repetitively establish the predetermined gap between succes... | 05/17/1983 |
| 4347658 | Method of making magnetic reed contact unit Reed switch contact unit is made in a sealed box and a pivotally-mounted guide member (7) with a V- or Y-shaped slot aligning the bottom reed during assembly.... | 09/07/1982 |
| 4343643 | Sealing articles into a glass envelope and compound holder therefor A holder (55) for supporting in alignment a plurality of spaced electrodes (18) and (19) to be sealed into a corresponding plurality of envelopes (14) includes a metal base (82) which supports a stripper plate (87). A plurality of posts (36) extend from t... | 08/10/1982 |
| 4337570 | Electrical fuselinks A fuse element for an electrical cartridge fuse comprises a fusible wire secured to opposite end zones of an insulating strip by metallic layers sprayed onto the end zones. The insulating strip has a slot therein between the end zones to prevent the fusib... | 07/06/1982 |
| 4309816 | Method of manufacturing gas-charged electric switches This method of manufacturing gas-charging electric switches comprises a step of housing an electric switch in a container provided with two gas substituting ports and closing an opening of the container for the housing to render the container hermetical e... | 01/12/1982 |
| 4208787 | Process for making a submersible fuse A process for making a oil resistant tubular fuse for submersion in a hot oil bath is taught. An epoxy resin seal is provided between one portion of a fuse ferrule and an annular groove in the fuse body. Alternatively the epoxy resin seal may be disposed ... | 06/24/1980 |
| 4205431 | Method and apparatus for making a cylindrical end-capped fuse A method and apparatus for making an encapsulated electrically conducting component is provided. A wire is placed across a mold cavity for forming substantially one-half of the component body. A substantially flat-surfaced second mold having a groove is p... | 06/03/1980 |
| 4203200 | Method and apparatus for making an encapsulated plug-in blade fuse A method and apparatus for making an encapsulated, three-piece electrically conducting component, such as a fuse, are provided wherein a progressive stamping die is used to form a pair of spaced apart blades in a sheet stock of electrically conducting met... | 05/20/1980 |
| 4094212 | Fuse-mate A mating device for a cartridge-type fuse to facilitate its insertion in a holder and the removal therefrom. The fuse has a tubular casing whose ends are enclosed by terminal caps which are engageable by the spring clips of the holder. The fuse mate is mo... | 06/13/1978 |
| 4055888 | Process for making reed switches Reed switches, contact sections of the reed of which bear with a predetermined positive force against inside surfaces of an elongated envelope, are made by forming combs, each including a header web and, integral with the web and projecting therefrom, a p... | 11/01/1977 |
| 4035901 | Apparatus for joining two abutting metal members together and method of making such apparatus An apparatus for joining two abutting metal members together by lancing and forming a part of one member through an unblanked part of the other member and thereafter staking the lanced and formed part of the one member to an adjacent surface of the other ... | 07/19/1977 |
| 4004337 | Apparatus for reed switch manufacture The invention relates to a method and apparatus for the encapsulation of a switch contact sub-assembly, in which sub-assembly at least two contacts are rigidly joined in a desired spatial relationship by a destructible bridging piece, wherein the sub-asse... | 01/25/1977 |
| 3959875 | Method and fixture for manufacturing fuses having helically wound fusible elements A method for assembling fuses having casings closed by plug terminals conductively interconnected by helically wound fusible elements. The fusible elements are wound around squirrel-cage-like structures involving extremely thin and extremely stiff metal r... | 06/01/1976 |
