Patents Assigned to Krone Aktiengesellschaft
  • Patent number: 5663870
    Abstract: A printed circuit board for connectors in symmetrical communications and data systems engineering distribution systems, which includes a pair of substantially parallel circuit board tracks on a front face thereof arranged substantially congruently with a pair of substantially parallel circuit board tracks of a back face of the printed circuit board, and wherein one of the pair of tracks on the back face crosses over the other track of the pair by means of two through-hole platings, which are electrically interconnected on the front face through an interconnecting circuit board track.
    Type: Grant
    Filed: July 14, 1995
    Date of Patent: September 2, 1997
    Assignee: Krone Aktiengesellschaft
    Inventor: Walter Kerndlmaier
  • Patent number: 5641312
    Abstract: A terminal block with a plastic housing and insulation displacement contact elements provided therein for incoming and outgoing conductors. In order to simplify the termination of the conductors at the insulation displacement contact elements and to permit a protection of the conductors against surge voltages and surge currents, it is provided that the insulation displacement contact elements are disposed separately from each other in the plastic housing, and that each insulation displacement contact element is provided with a center tapping. The spaced center tappings opposedly disposed in the plastic housing can be connected with each other by different function plugs.
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: June 24, 1997
    Assignee: Krone Aktiengesellschaft
    Inventors: Hans-Dieter Bippus, Rafik Munshi, Jeff Glen
  • Patent number: 5620332
    Abstract: The present invention relates to a terminal element including electrical contacts in insulation displacement technique in chambers of a receiving part for the strapless connection of conductors. The terminal element defines openings for receiving the electrical conductors. A chamber of a receiving part includes at least one opening for the introduction of a conductor. A sliding part surrounding a part of an insulation displacement contact element disposed in the chamber. The sliding part has an opening coinciding in one position of the sliding part with the opening in the receiving part, with the opening in the chamber and with the contact zone of the insulation displacement contact element. The closing part includes a device accessible from outside for moving the sliding part.
    Type: Grant
    Filed: August 10, 1995
    Date of Patent: April 15, 1997
    Assignee: Krone Aktiengesellschaft
    Inventors: Dieter Gerke, Manfred Muller, Harald Bulow
  • Patent number: 5576603
    Abstract: An automatic distribution device for telecommunication and datalines, comprising connection terminals for exchange and subscriber cables and comprising a remotely controllable connection device with a grip element. In order to automate a distribution device provided with terminal blocks, the connection terminals are disposed in terminal blocks oriented radially to a central axis, the connection device is pivotably supported in the central axis and the grip element can radially be swung out from the connection device.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: November 19, 1996
    Assignee: Krone Aktiengesellschaft
    Inventor: Claus Sander
  • Patent number: 5574615
    Abstract: The present invention relates to an air spark gap for determining the maximum voltage at an aged voltage surge suppressor (5) comprising an electrode arrangement in a capsule filled with an inert gas. The voltage surge suppressor is disposed in a voltage surge protection plug. The air spark gap is disposed between two contact members (2, 3 or 4, resp.) parallel to the voltage surge suppressor. The one (2) of the contact members is electrically connected with a contact element (7) resting, in the plugged-on condition of the voltage surge protection plug, resiliently on a surface portion against the other one (3, 4) of the contact members. For an electrical disconnection, an electrical insulation foil (8, 9) having a given thickness is arranged between the contact element and the other one of the contact members, said electrical insulation foil being provided with an opening for forming an air gap therebetween.
    Type: Grant
    Filed: January 25, 1995
    Date of Patent: November 12, 1996
    Assignee: Krone Aktiengesellschaft
    Inventors: Ralf-Dieter Busse, Carsten Storbeck
  • Patent number: 5574614
    Abstract: An over-voltage protection plug for telecommunication installations, including a housing with a printed-circuit board, a voltagesurge suppressor, a slider, a spring, an earth plate, a signalling element. Reliable protection against voltage surges is provided, wherein the solder position is loaded to a minimum extent only. The plug is composed of few parts only and further permits automated manufacture at low cost, and which clearly shows the tripped condition at the outside. The slider is pre-loaded over a support face and over an edge at the inner housing wall in the housing by the spring. A shaped part of solder material is loaded to a minimum extent only by the spring force (pressure force) of the slider.
    Type: Grant
    Filed: August 17, 1995
    Date of Patent: November 12, 1996
    Assignee: Krone Aktiengesellschaft
    Inventors: Ralf-Dieter Busse, Harlad Klein, Johann Oltmanns, Gerd Richter
  • Patent number: 5572617
    Abstract: A housing for optical components includes a lower housing portion and at least one holder for glass fibers, couplers and splices. It is intended to provide a housing that can flexibly be adjusted and permits accommodation of a larger number of splices. This is achieved by that the holder for splices and couplers is a separate component and can-be snap-fitted onto the bottom of the lower housing portion.
    Type: Grant
    Filed: April 21, 1995
    Date of Patent: November 5, 1996
    Assignee: Krone Aktiengesellschaft
    Inventors: Susanne Bernhardt, Axel Thiel, Eberhard Kahle, Paul Oehlkers, Peter Grugel
  • Patent number: 5545060
    Abstract: The invention relates to a clamping terminal unit for electrical conductors in the power sector using insulation displacement technique. The clamping terminal unit forms a variety of different terminations in the medium voltage sector with medium currents that can reliably and rapidly be made. A housing 1 includes introduction openings 2 to insulation displacement contacts 3 for electrical conductors, an opening 4 and latch devices 14, 15 for the alignment of housings 1 and a recess 5 for the series arrangement of housings 1.
    Type: Grant
    Filed: September 2, 1994
    Date of Patent: August 13, 1996
    Assignee: Krone Aktiengesellschaft
    Inventor: Neil Gow
  • Patent number: 5531414
    Abstract: The invention relates to a device for mounting terminal strips (7), used in communications technology, on to an installation profile using a snap-on member for fastening. In order to provide a device for ensuring proper mounting of terminal strips (7), used in communication technology, to installation profiles with different cross-sectional profiles, a mounting bracket (1) is provided whose bent shanks (10) are embodied as clip-snap members (2) and whose other shanks (6) are formed with a cut-out (9) which as such is known.
    Type: Grant
    Filed: January 10, 1994
    Date of Patent: July 2, 1996
    Assignee: Krone Aktiengesellschaft
    Inventors: Adrian Benedetto, Winfried Schachtebeck
  • Patent number: 5525078
    Abstract: An electrical plug connector for the telecommunications and data transfer includes RJ contacts disposed in a housing and insulation displacement contacts and contact strips connecting the insulation displacement contacts. Shielding of a h.f. cable is provided using a shield contact that can be terminated at the plug connector whereby the cable shield of the h.f. cable can be connected to ground potential, or can be conducted on, and that the contact between the shield contact and the cable shield is established by means of a clamp connection.
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: June 11, 1996
    Assignee: Krone Aktiengesellschaft
    Inventor: Markus Springer
  • Patent number: 5503567
    Abstract: The present invention relates to a termination module comprising multiple contacts for the termination of cable wires at an insulation displacement contact and comprising a pressure piece with a screw, an intermediate piece and a base plate. The object of the invention, is to develop a termination module of the type in which cable wires having different wire diameters can be terminated in a wide range. It is achieved by a closed bifurcated contact connected as one piece over a connection plate 21 with insulation displacement contact 7 and a tapping 18, insulation displacement contact 7 being disposed inclinedly behind bifurcated contact 6.
    Type: Grant
    Filed: June 6, 1994
    Date of Patent: April 2, 1996
    Assignee: Krone Aktiengesellschaft
    Inventors: Neil Gow, Keith White, Peter Becker, Adrian Benedetto, Reinhard Brettschneider, Wolfgang Radelow
  • Patent number: 5496196
    Abstract: The present invention relates to a connector for high-speed networks of the voice and data transmission (CDDI connectors). The object of the present invention, namely to develop a CDDI connector with electrical properties which are improved and which guarantees that the requirements for high-speed network components are met, is achieved by the arrangement of the contacts on an inner and on a middle circle.
    Type: Grant
    Filed: December 3, 1993
    Date of Patent: March 5, 1996
    Assignee: Krone Aktiengesellschaft
    Inventor: Winfried Schachtebeck
  • Patent number: 5494461
    Abstract: A terminal block for high transmission rates in the telecommunication and data technique. The terminal block includes a plastic casing and metal insulation displacement contact elements inserted pair-wise in at least two parallel rows into the casing with connected contact fingers forming spring contacts. The flat insulation displacement contact elements are formed at the narrow side webs including the contact slot therebetween and of the base web. The width of the spring contacts is small.
    Type: Grant
    Filed: July 25, 1994
    Date of Patent: February 27, 1996
    Assignee: Krone Aktiengesellschaft
    Inventors: Hans-Dieter Bippus, Robert A. Fitzgerald, Bryce L. Nicholss
  • Patent number: 5421532
    Abstract: A device for storing the single and bundle wires (16 or 5, respectively) of glass-fiber cables in distributor devices of telecommunication and data systems, comprising a casing (24), at least one cassette box pivotably mounted in the casing, and a splice cassette (10) mounted therein, is intended to be improved such that with a simplified construction of the cassette box and of the splice cassette (10), a break-proof support of the single and bundle wires (16 or 5, respectively) is permitted.For this purpose the cassette box is formed of a support plate cassette (10) and provided with a slot (12) for passing the single and/or bundle wires (16,5) through and with members located on both side faces for supporting the single or bundle wires (16, 5) respectively.
    Type: Grant
    Filed: August 25, 1993
    Date of Patent: June 6, 1995
    Assignee: Krone Aktiengesellschaft
    Inventor: Gerd Richter
  • Patent number: 5422946
    Abstract: A distribution device, in particular for the main distribution of telephone and data lines, includes a distribution rack, a distribution frame, and a pivotable frame, for terminating the system side and the subscriber side. Jumper possibilities and the adaptation to the possibilities of computer-controlled exchange systems are improved by disposing the subscriber side and the system side-by-side in a modular manner on a profile frame, and building them up vertically above each other to frame rows disposed side-by-side.
    Type: Grant
    Filed: February 9, 1994
    Date of Patent: June 6, 1995
    Assignee: Krone Aktiengesellschaft
    Inventors: Bernd Delakowitz, Claus Sander, Gunter Hegner
  • Patent number: 5420956
    Abstract: A case for passive optical components such as glass fibers, couplers and splices permits a reception for couplers and splices while maintaining the common mounting dimensions, and which guarantees a clear, service-friendly and safe guiding of the glass fibers while maintaining the minimum bending radii. At one front side 4 of the lower case portion 2 there are provided strain-relieved individual guide portions 5, 6 for the glass fibers and an S-shaped or diagonal groove 20 integrated in the bottom 10. The receiving portions 12, 13 for couplers 45 and for splices 46 are formed by guide portions 24, 33 connected with the bottom 10. Between the side walls 27, 35 and the receiving portions 12, 13 there are provided fiber guide channels 26, 36 for achieving the required reserve lengths. In the area of the receiving portions 12, 13, transversely to the parallel guiding portion 24 of the couplers 45 and of the splices 46 are included through-passing lift-off openings 30, 38 in the bottom 10.
    Type: Grant
    Filed: January 28, 1994
    Date of Patent: May 30, 1995
    Assignee: KRONE Aktiengesellschaft
    Inventors: Peter Grugel, Paul Oehlkers, Susanne Bernhardt, Martin Struss, Dietrich Rund
  • Patent number: 5373956
    Abstract: The invention relates to a case, in particular a cable branching case for receiving and distributing cables, in particular light waveguides, for the telecommunication and for the low-voltage distribution. It is the object of the invention to provide a case of the type referred to hereinbefore, which has a modular design and is sufficiently sealed against the environment, by means of which an uncomplicated and service-friendly operation is guaranteed. For the solution of this object, the invention provides that the side walls of the case are formed of at least two box-type, opposed, L-shaped segments with a groove formed at the one longitudinal edge and a tongue formed at the other longitudinal edge, that the cover and the bottom element contain a groove and a tongue section for connection with the L-shaped segments, and that the L-shaped segments can be connected with the cover and bottom elements such that a movable door side and a fixed rear wall side are formed.
    Type: Grant
    Filed: February 25, 1993
    Date of Patent: December 20, 1994
    Assignee: Krone Aktiengesellschaft
    Inventors: Helmut Kaufer, Maximilian Grimm, Polese Angelo, Bernd Staudte, Detlef Struck, Wolfgang Radelow, Hans-Joachim Permin
  • Patent number: 5330367
    Abstract: The invention relates to a cutting and clamping terminal element for contacting electrical conductors, in particular for cable cores of the telecommunication technology, comprising a U-shaped section piece of a U-shaped cross-section and having a cutting and clamping contact. In order to provide a cutting and clamping terminal element (1) by means of which a plurality of parallel electrical conductors (6) can be terminated and accurately positioned and guided, the U-shaped section piece (2) is adapted with one or several central webs (3), which are cut free from the bottom portion (7) and are upwardly bent off. Thereby one or more contact positions 9 are obtained for the electrical conductors (6).
    Type: Grant
    Filed: March 3, 1993
    Date of Patent: July 19, 1994
    Assignee: Krone Aktiengesellschaft
    Inventor: Andrzej Janczak
  • Patent number: 5299953
    Abstract: The invention relates in general to a cutting and clamping sleeve contact for contacting a cable core transversely to the sleeve axis, and in particular for cable cores of the telecommunication technology. The contact is made of a metal sleeve shell and includes a clamping slot for the insulated cable core and a cutting and clamping contact slot within the sleeve for the stripless termination of the cable core. The present invention also relates to a method for producing the cutting and clamping sleeve contact. A portion 13 of a sleeve shell 12 is bent off radially into an interior of the sleeve body 12 and is provided with a cutting/clamping contact slot 2. A clamping slot 3 is opposite to the cutting/clamping contact slot 2 and is cut into the sleeve shell 15. The present invention improves the cutting and clamping sleeve contact, with regard to the independence of the cutting/clamping slot 2 from the movements at the clamping slot 3, and with regard to the observation of accurate tolerances.
    Type: Grant
    Filed: September 1, 1992
    Date of Patent: April 5, 1994
    Assignee: Krone Aktiengesellschaft
    Inventors: Dieter Gerke, Andrzey Janczak
  • Patent number: 5297975
    Abstract: The invention relates to a terminal bank for the telecommunication and data technology, with a cable connecting member 1 provided with cutting and clamping contact elements 10 for the termination of incoming cable cores 14, and a terminating element to be latched thereunto for the connection of the incoming cable cores 14 with the outgoing cable cores 37. The cutting and clamping contact elements 10 of the cable connecting member 1 have contact lugs 7, onto which bifurcated contacts 9 of the terminating element can be plugged. The terminating element is adapted as a plug connector receiving portion 2 with chambers 23 being open towards bottom, for the insertion of plug connectors 6 connected with the outgoing cable cores 37, and that the bifurcated contacts 9 are provided at the plug connectors 6.
    Type: Grant
    Filed: August 24, 1992
    Date of Patent: March 29, 1994
    Assignee: Krone Aktiengesellschaft
    Inventors: Dieter Gerke, Manfred Muller, Harald Bulow