| Patent Number |
Title Of Patent |
Date Issued |
| RE38381 |
Inverted board mounted electromechanical device |
January 13, 2004 |
| A new board mounted electromechanical device is provided that mounts to a relay substrate to form a low profile reed relay. The reed relay is electrically connected to the electrical contacts via a signal traces and additional electrical traces located on the same side of the relay s |
| 7232017 |
Pole vibration damping assembly and method |
June 19, 2007 |
| A pole vibration damping means includes an annular housing with internal radial pole encircling chambers in which lead spheres are provided for effecting damping of first mode harmonic vibrations with the assembly being attached to the upper end portion of the pole and operating in c |
| 7007986 |
Access cover fastening device |
March 7, 2006 |
| A hollow aluminum pole has access to its interior through a hand hole frame having an access aperture which can be blocked by a cover having a lower end pivotally attached to the hand hole frame by a pivot pin. The pivot pin is biased inwardly by a coil spring which permits outward m |
| 6683518 |
Surface mount molded relay package and method of manufacturing same |
January 27, 2004 |
| The electromechanical device of the present invention is a low profile reed switch package for surface mounting on a printed circuit board. The reed device package includes a reed switch with two signal terminals emanating from opposing sides thereof. A leadframe is employed with signal |
| 6310473 |
Magnetic rotational position sensor |
October 30, 2001 |
| A magnetic rotational position sensor comprises a loop pole piece, at least one magnet, and at least one magnetic flux sensitive transducer. The magnet is disposed within an air gap of the loop pole piece to establish a magnetic field through the air gap and to enclose magnetic flux with |
| 6294971 |
Inverted board mounted electromechanical device |
September 25, 2001 |
| A new board mounted electromechanical device is provided that mounts to a relay substrate to form a low profile reed relay. The reed relay is electrically connected to the electrical contacts via a signal traces and additional electrical traces located on the same side of the relay s |
| 6052045 |
Electromechanical switching device package with controlled impedance environment |
April 18, 2000 |
| A reed switch package is disclosed that includes a reed switch with at least one electrical signal path. A cylindrical ground shield is provided about the reed switch. Ground terminals are connected to opposing sides of the ground shield so that the ground terminals are on opposing sides |
| 5601274 |
Vibration isolating lighting pole bracket arm |
February 11, 1997 |
| A lighting pole bracket arm isolates vibrations that would otherwise pass through the lighting pole and into a lighting fixture mounted on the lighting pole. The bracket arm includes an upper member which is pivotally mounted to the lighting pole and a lower telescopic member, which is |
| 5491407 |
Wheel bearing speed sensor |
February 13, 1996 |
| A wheel bearing speed sensor includes an annular rotor mounted to a vehicle axle spindle, having a plurality of teeth extending radially outwardly, which is received within a stationary stator assembly. The stator assembly includes an annular stator having a corresponding plurality of te |
| 5448217 |
Ignition coil with spiral-back pyramid windings |
September 5, 1995 |
| An ignition coil is disclosed that includes a primary coil, a secondary coil and a core about which the primary and secondary coil are disposed. The secondary coil has in inner diameter greater than the diameter of the primary coil. The primary coil is disposed on the core and the second |
| 5444369 |
Magnetic rotational position sensor with improved output linearity |
August 22, 1995 |
| A rotary shaft position sensor includes a stator and a rotor and produces a linear output signal in accordance with the rotational position of a shaft coupled to the rotor. The rotor rotates about an axis of rotation. The stator includes stationary pole pieces having stationary pole face |
| 5341265 |
Method and apparatus for detecting and responding to downed conductors |
August 23, 1994 |
| A system for detecting a high impedance fault in a phase conductor having a potential device connected to the phase conductor, the system including a signal injection device having an input from the potential device which detects a reduction in voltage at the phase conductor and outputs |
| 5321355 |
Hall Effect position sensor with flux limiter and magnetic dispersion means |
June 14, 1994 |
| A low cost Hall effect position sensor is disclosed which includes a Hall effect integrated circuit disposed in close proximity to a metallic target device. The Hall device is mounted in a slotted flux dispersion pole piece. The slotted magnetic flux dispersion pole piece is designed to |
| 5264792 |
Hall effect position sensor with flux limiter and magnetic dispersion pole piece |
November 23, 1993 |
| A low cost Hall effect position sensor is disclosed which includes a Hall effect integrated circuit disposed in close proximity to a metallic target device. The Hall device is mounted on a flanged flux dispersion pole piece. The opposite end of the pole piece is attached to a rare earth |
| 5115194 |
Hall effect position sensor with flux limiter and magnetic dispersion means |
May 19, 1992 |
| A low cost Hall effect position sensor is disclosed which includes a Hall effect integrated circuit disposed in close proximity to a metallic target device. The Hall device is mounted on a flanged flux dispersion pole piece. The opposite end of the pole piece is attached to a rare earth |
| 4959629 |
High torque rotary solenoid |
September 25, 1990 |
| A high torque rotary solenoid is disclosed employing attracting and repelling forces of permanent magnets to induce rotary motion is disclosed. Four arrays of magnets are located on a stator and rotor and are arranged along the axis of rotation of a shaft. Two magnet arrays are locat |
| 4806898 |
Polyphase interrupter responsive to single phase fault |
February 21, 1989 |
| A polyphase interrupter includes an electric fuse in series with each phase, a phase grounding conductor electrically connected with each phase and movably mounted adjacent and electrically connected with a terminal of each fuse, biasing means arranged to impart individual grounding move |
| 4774488 |
Electric cutout having a link break fuse holder |
September 27, 1988 |
| An electric cutout of the link break type includes a fuse holder comprising a hollow fuse tube of insulating material, a lower tube casting secured to one end of the fuse tube, a conducting hinge element pivotally mounted on one side of said lower tube casting and having a pair of coaxia |
| 4734670 |
Element for a current limiting fuse |
March 29, 1988 |
| In a current limiting fuse, the combination of a plurality of metallic fuse strips and a packing of silica enveloping said strips, said strips being made of cadmium alloyed with a grain size stabilizing minor amount of a metal selected from the group consisting of zinc and silver. |
| 4713500 |
Electric bypass switch |
December 15, 1987 |
| An electric bypass switch for connecting and disconnecting an electric apparatus such as a voltage regulator with respect to a power system includes a pair of spaced insulators on each of which a pair of conductive terminals are mounted, one pair of terminals being adapted for connection |
| 4707574 |
Disconnect switch with latch |
November 17, 1987 |
| An electric disconnect switch having fixed and movable contacts includes a latch mounted for limited oscillating and sliding movement on the movable contact and operable by a manual operating member, a ramp fixedly mounted on the fixed contact and having a latching surface engageable by |
| 4681990 |
Electric by-pass switch |
July 21, 1987 |
| An electric switch of the by-pass type having a pair of main fixed contacts insulated from each other which cooperates with a pair of main movable contacts which are insulated from each other is provided with a by-pass switch for electrically connecting and disconnecting the main fixed |
| 4536822 |
Electric circuit interrupter and associated mounting |
August 20, 1985 |
| An electric circuit interrupter and associated mounting comprises an elongated support element of insulating material mounted for swinging movement about a fixed pivot and having a pair of movable contacts mounted thereon and engageable with fixedly mounted contacts, a circuit interr |
| 4470328 |
Special tool |
September 11, 1984 |
| A tool for use in conjunction with energized high voltage electric circuits and which includes a housing structure having a pair of angularly related intersecting passages, a pair of bevelled pinions rotatably mounted respectively in said passages and arranged to cooperate with each othe |
| 4419549 |
Operating mechanism for an electric switch |
December 6, 1983 |
| For initiating operating movement to an electric switch disposed in a housing having an access door, a movable element is interconnected with the switch and operating movement is imparted thereto by motivating means, and interlocking means is mounted on the housing and arranged to preven |
| 4413246 |
Metallic coating for a cadmium fuse |
November 1, 1983 |
| For interrupting all values of electric current in a high voltage circuit which cause operation of a fuse within one hour, a plurality of parallel connected helically configured fusible elements formed of cadmium are embedded within quartz sand in granular form disposed within a housing |
| 4412202 |
Electric circuit interrupting apparatus |
October 25, 1983 |
| An electric circuit interrupter arranged to interrupt overload currents and having a pair of relatively movable normally closed disconnect contacts is associated with an electric circuit interrupter arranged to interrupt load currents and having a pair of relatively movable normally clos |
| 4374371 |
Cadmium electric fuse |
February 15, 1983 |
| For interrupting all values of electric current in a high voltage circuit which cause operation of a fuse within one hour, a plurality of parallel connected helically configured fusible elements formed preferably of cadmium are embedded within quartz sand in granular form disposed within |
| 4368632 |
Apparatus for reducing the cross sectional area of a wire |
January 18, 1983 |
| Apparatus for reducing the cross sectional area of a wire comprises stabilizing means arranged to receive the wire and to limit extrusion thereof in a direction transverse to its length and movable projecting means for engaging the wire while restrained by the stabilizing means so as |
| 4326184 |
Electric cutout |
April 20, 1982 |
| An electric cutout includes a fuseholder in which a fusible element is mounted, a conducting element pivotally mounted to the lower end of the fuseholder and having a pair of trunnions disposed within a pair of spaced jaws on which a pair of guide surfaces are respectively mounted for |
| 4322706 |
Piston actuated striker for electric fuse |
March 30, 1982 |
| A fuse striker affords a visual or other indication of an operated condition of an associated fuse and is mounted within the fuse and comprises a housing structure coaxially arranged within the fuse with an end of the housing in contact with an end of the fuse, closure structure for |
| 4302646 |
Electric switch and operating mechanism therefor |
November 24, 1981 |
| An electric switch of the snap-action type includes a pair of relatively movable contacts, an operating linkage interconnected with a movable one of the contacts for imparting operating movement thereto, a hollow tubular rotatable member interconnected with the operating linkage and oper |
| 4277197 |
Telescoping tool and coupling means therefor |
July 7, 1981 |
| A telescoping tool includes a plurality of telescoping tubes interconnected by coupling means each of which comprises an exteriorly threaded sleeve secured to one end of an outer telescoping tube and having an inner outwardly tapered surface a part of which is of the configuration of a |
| 4250357 |
Fuse mounting |
February 10, 1981 |
| A fuse mounting arranged to isolate live electric parts and provided with grounded exposed parts comprises a housing structure, a hingedly mounted fuse panel disposed within said housing structure and normally forming a part of a fuse isolating wall within said housing structure, fuse mo |
| 4240124 |
Surge arrester having coaxial shunt gap |
December 16, 1980 |
| A surge arrester of compact construction includes a housing formed preferably of elastomeric material through which a pair of spaced terminals protrude and between which a stack of metal oxide varistor discs is disposed and connected in series therewith. Disposed below the lower one |
| 4060785 |
Enclosing structure for a high voltage electric fuse |
November 29, 1977 |
| An enclosing structure for an electric fuse having a fusible element disposed within a tubular casing of insulating material and interconnected at its ends with terminals mounted on the casing ends comprises an elongated tubular enclosure formed of insulating and semiconducting mater |
| 4002949 |
Transformer protective system |
January 11, 1977 |
| A current limiting fuse and an oil expulsion or weak link type fuse are connected in series with each other and with a transformer primary winding and a grounded element having a part disposed adjacent one end of the expulsion fuse is arranged so that an arc drawn upon operation of the |
| 4002396 |
Electric connector apparatus |
January 11, 1977 |
| An electric terminal such as a transformer bushing having a contact socket of conducting material is provided with a quench tube arranged in aligned substantially coaxial relation with the contact socket. An associated connector which may be of the elbow type is provided with a contact p |
| 4002390 |
Arrangement for and method of preventing relative rotation of electric terminals during a tighte |
January 11, 1977 |
| An arrangement for preventing relative rotation of electric terminals during a tightening operation comprises an electric conductor terminal having an electric contact surface through which an aperture extends and an associated terminal having a cooperating contact surface from which an |
| 3998520 |
Electric elbow connector |
December 21, 1976 |
| An electric elbow connector comprises an L-shaped hollow housing structure formed of insulating material and of semi-conducting material which contains an elongated contact sleeve having a hollow sleeve portion at one end and an integral shank at the other end, the shank having an outer |
| 3989341 |
Electric connector apparatus and method |
November 2, 1976 |
| An electric terminal bushing having a hollow tubular contact engageable with the contact pin of an electric elbow type connector is arranged so as substantially to reduce the arcing time during a switch closing operation and includes means for slidably mounting the hollow tubular contact |
| 3957332 |
Electric connector apparatus and method |
May 18, 1976 |
| An electric terminal bushing having a hollow tubular contact engageable with the contact pin of an electric elbow type connector is arranged so as substantially to reduce the arcing time during a switch closing operation and includes means for slidably mounting the hollow tubular contact |
| 3951507 |
Electric connector apparatus |
April 20, 1976 |
| An electric terminal such as a transformer bushing having a contact socket of conducting material is provided with a quench tube arranged in aligned substantially coaxial relation with the contact socket. An associated connector which may be of the elbow type is provided with a contact p |
| 3945699 |
Electric connector apparatus and method |
March 23, 1976 |
| An electric terminal bushing having a hollow tubular contact engageable with the contact pin of an electric elbow type connector is arranged so as substantially to reduce the arcing time during a switch closing operation and includes means for slidably mounting the hollow tubular contact |