Patents Assigned to Schroff GmbH
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Patent number: 5645174Abstract: A rack for an equipment cabinet comprises a rectangular base plate, an identically constructed roof plate and four profiled pillars. For the fastening of the profiled pillars, various fastening means are provided at the base plate and the roof plate. Three groups of four fastening holes each serve as fastening means at the corners of the base plate and the roof plate, as well as respectively three sections of four pairs of stop lugs each, which are allocated to the fastening holes in a definite manner. A fastening bore is provided in each profiled pillar, and the profile of each profiled pillar is provided with at least one profiled rib which, when the profiled pillars are positioned and screwed in, is disposed in a gap between a pair of stop lugs.Type: GrantFiled: November 14, 1995Date of Patent: July 8, 1997Assignee: Schroff GmbHInventors: Uwe Rieger, Henning Wick, Hans-Martin Schwenk, Frank Rost
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Patent number: 5587888Abstract: An extracting device for plug-in modules having a holding bracket for securing a front plate as well as a printed circuit board to a profile rail of a module rack. A pivoted lever is articulated to a holding bracket; the pivoted lever rests with a pressing shoulder against a front face of the profile rail. To facilitate the extraction and to accomplish a large extraction lift, the pivoted lever is displaceable with respect to the holding bracket with the aid of a sliding mechanism which has a sliding pin on the holding bracket and a sliding track on the pivoted lever whose swing pin is displaceable in a slot of the holding bracket.Type: GrantFiled: January 11, 1996Date of Patent: December 24, 1996Assignee: Schroff GmbHInventor: Michael Joist
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Patent number: 5576513Abstract: In an HF-tight component carrier, a longitudinal groove having a V-shaped profile is proposed for sealing the cover from the upper module rails. A spring member, having a V-shaped cross section is inserted into this longitudinal groove in a fitting and clamping manner. The cover is equipped with edge strips which engage the longitudinal groove. The spring member is provided with a planar rear leaf including a spring tongue and an acutely-angled spring leaf with a claw.Type: GrantFiled: July 16, 1993Date of Patent: November 19, 1996Assignee: Schroff GmbHInventors: Hans-Ulrich Gunther, Klaus Pfeifer
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Patent number: 5504656Abstract: A device for removing a plug-in module adapted for insertion into a module rack is provided where the module rack has a front profile rail including a front strip and a front face, the front strip having a front edge. The plug-in module comprises a retaining block for securing the plug-in module to the front profile rail; a printed wiring board equipped with electronic components and screwed to the retaining block; and a front panel secured to the retaining block. The device includes a two-armed bell crank having a long lever arm and a short lever arm and being pivotally secured to the retaining block by a pivot pin. The long lever arm of the bell crank constitutes an actuation handle for the device.Type: GrantFiled: February 10, 1995Date of Patent: April 2, 1996Assignee: Schroff GmbHInventor: Michael Joist
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Patent number: 5488543Abstract: A frame stand for a device cabinet which has panels and serves in the installation of component carriers of industrial electronics. Four posts extend between a lower base plate and an identically-configured lid plate. To attach the panels, front brackets and rear brackets project from the base plate and the lid plate; these brackets are aligned with one another, and form recesses for cable harnesses.Type: GrantFiled: September 29, 1994Date of Patent: January 30, 1996Assignee: Schroff GmbHInventors: Paul Mazura, Hans-Martin Schwenk
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Patent number: 5441337Abstract: A component cabinet for installing structural group carriers as well as housings of electronic and optoelectronic components and their accessories. The cabinet has a stand, side panels, floor panels, ceiling panels, a rear wall and a door, all disposed on a support base, and a cabinet base. Also provided are a rectangular frame having two vertical frame legs and a horizontal, upper connector and a horizontal, lower connector serves as the stand, two upper forward support arms and two lower, forward support arms protruding on the front side of the frame, and two upper, rear support arms and two lower, rear support arms protruding from the rear side of the frame. All of the support arms are attached in the region of the frame corners, all support arms are disposed parallel to one another and perpendicular to the plane of the frame, and the side panels, floor panels, ceiling panels, rear wall and the door are disposed on the support arms.Type: GrantFiled: April 25, 1994Date of Patent: August 15, 1995Assignee: Schroff GmbHInventors: Paul Mazura, Hans-Martin Schwenk
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Patent number: 5436406Abstract: An instrument housing for industrial electronic systems includes a closed body provided with a front opening. An exchangeable frontal frame having a U-shaped profile is provided at the front opening and is equipped with a covering strip provided with a step and with a flashing strip provided with a groove as well as with shaped-on pins for fastening it to a frame strip of the body. If the frontal frame is attached, the step sealingly grips around the edge formed by the frame strip and the body, and an angled knife-edge strip attached at an acute angle to the frame strip of the body engages into the groove.Type: GrantFiled: May 17, 1993Date of Patent: July 25, 1995Assignee: Schroff GmbHInventors: H. Bernd Benz, Paul Mazura, Hans M. Schwenk
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Patent number: 5409419Abstract: A ventilator insert for cooling electronic components in cabinets and racks, the insert including a ventilator housing provided with a cover plate and a front plate. A plurality of blowers are held in the cover plate. The blowers are supplied with air by way of different air intake channels whose inputs constitute partial regions of the inlet opening and start at the front plate. Each row of blowers has an associated separate air intake channel. By differently dimensioning the entrance cross sections of the air intake channels, the cooling air discharged by the ventilator insert can be adapted to requirements while ensuring uniform cooling of the components.Type: GrantFiled: April 8, 1993Date of Patent: April 25, 1995Assignee: Schroff GmbHInventors: Heinz Euchner, Heinz Kempf
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Patent number: 5402323Abstract: An equipment cabinet for insertable electrical and electronic units includes stationary casing components and a door pivotally attached by means of hinges. The door and the end faces of the casing components disposed opposite thereto are each provided with peripheral edge strips which are bent inwardly at an acute angle of preferably 45.degree. and have parallel sealing faces that face one another at a slight distance. Between the sealing faces, spring-elastic seals are provided that may be composed of contact strips of an electrically well conducting material and rubber-elastic sealing strips arranged parallel thereto. Due to the sloped arrangement of the sealing faces, the spring forces F exerted by the seals are divided into two force components F.sub.1 and F.sub.2, with only the one force component F.sub.1 having to be overcome when the door is pushed shut.Type: GrantFiled: August 19, 1992Date of Patent: March 28, 1995Assignee: Schroff GmbHInventors: Hans M. Schwenk, Kurt Pohl, Gerhard Huller
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Patent number: 5398167Abstract: An insertion and extraction device for plug-in modules provided in component carriers, having a holding bracket and a pivoting lever. The holding bracket has a receiving slit for a front plate supports a console and two bearing cylinders, and the pivoting lever comprises a housing part and a lid part corresponding to this housing part, these parts being connected with frictional lockup by means of bushings and integral plug pins, and having integral support trays for the bearing cylinders.Type: GrantFiled: February 7, 1994Date of Patent: March 14, 1995Assignee: Schroff GmbHInventors: Michael Joist, Hans-Ulrich Guenther
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Patent number: 5375724Abstract: A component carrier for plug-in modules includes module rails. Each front panel of a plug-in module is provided with a fastening screw and two centering pins at its top and bottom. The front module rails are provided with longitudinal grooves in which are inserted screw strips provided with threaded holes for the fastening screw of the front panel of the plug-in module as well as perforated strips for the centering pins. The perforated strips are seated in front of the screw strips. If the front panel is attached, the short, thick centering pins are seated in the associated centering holes while the long, thin fastening screw passes through the centering hole and is screwed into the respective threaded hole. The arrangement permits the retention of a small distance between the threaded holes in spite of the use of centering pins and permits the use of a small division rate for the component system.Type: GrantFiled: September 11, 1992Date of Patent: December 27, 1994Assignee: Schroff GmbHInventor: Paul Mazura
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Patent number: 5313370Abstract: The present invention relates to fastening elements for guide rails at the support rails of a component carrier which is provided to accommodate printed circuit boards equipped with electrical components. The fastening elements are configured as U-shaped spring bars and include a fixed U leg attached to the underside of the guide rails and a free, resilient U leg which is oriented toward the longitudinal web of the support rails. The resilient U leg permits easy insertion of the guide rails into the support rails. The dimensions are such that, after insertion of the guide rails, the resilient U leg stands on the longitudinal web and thus the guide rails are tightly locked against being pulled out.Type: GrantFiled: June 22, 1992Date of Patent: May 17, 1994Assignee: Schroff GmbHInventors: Hans M. Schwenk, Friedrich Werling, Hans-Ulrich Guther
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Patent number: 5297004Abstract: The present invention relates to a housing for electrical equipment. The housing is composed of side walls, ventilation openings in the side walls and at least one louver provided in front of the ventilation openings. The housing additionally includes a cover plate which is arranged between the ventilation openings and the louver. The cover plate is inserted into a receptacle at the rear face of the louver. This housing makes it possible to close or open, respectively, existing ventilation openings by means of the cover plates and thus adapt the housing to the respective cooling requirements, whether equipped individually or upon subsequent changes in the equipment.Type: GrantFiled: June 1, 1993Date of Patent: March 22, 1994Assignee: Schroff GmbHInventor: Paul Mazura
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Patent number: 5294748Abstract: In an equipment cabinet equipped with a rack for electronic and electrical insertable units, all casing components, including side walls, a rear wall, a door, a top and a bottom, are provided with mating contact faces along the component edges so as to provide a shield against electromagnetic radiation. Contact strips made of an electrically well conducting material are arranged between these contact faces.Type: GrantFiled: August 19, 1992Date of Patent: March 15, 1994Assignee: Schroff GmbHInventors: Hans M. Schwenk, Kurt Pohl, Gerhard Huller
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Patent number: 5267658Abstract: The present invention relates to a fastening device for component carriers in system housings. Profiled fastening members are here fastened to the front frame bars of the system housings, each supporting two parallel arranged and oppositely oriented mounting strips. L-shaped mounting brackets provided with fastening threads can be pushed transversely into the mounting groove formed by the mounting strips. A spread-away spring element is fastened to the backs of the L-shaped mounting brackets. If the mounting angles are in the inserted installed position, a retaining lug engages in a longitudinal groove of the front mounting strip. The mounting brackets can be adjusted to any desired height. The front plate of the component carrier is screwed to four mounting brackets and, after the fastening screws are tightened, the component carrier is fastened at the desired height.Type: GrantFiled: February 24, 1992Date of Patent: December 7, 1993Assignee: Schroff GmbHInventors: Hans M. Schwenk, Henning Wick
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Patent number: 5256833Abstract: A metal housing for electronic devices configured for electromagnetic compatibility includes a housing body whose opening can be closed by a closing element. Metal contact faces are provided around the opening at the housing body and correspondingly at the closing element. Thin contact strips of electrically conductive and corrosion resistant metal are applied to the contact faces. These contact strips may be subsequently melted or welded on by means of a laser beam as a weld trace or as a thin metal foil. To seal the groove between the housing body and the closing element against interfering electromagnetic radiation, the contact faces are brought into a good electrically conductive connection with one another by way of the bare metal surfaces of the contact strips applied thereonto, for example by means of an intermediately disposed elastic and electrically conductive seal.Type: GrantFiled: January 9, 1992Date of Patent: October 26, 1993Assignee: Schroff GmbHInventor: Hans M. Schwenk
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Patent number: 5233507Abstract: For the purpose of high-frequency sealing the longitudinal gaps between the U-shaped profiles of the front plates of modular units that are to be inserted into HF-tight housings of electronic equipment, a spring element of metal, for example a non-corrosive steel, is proposed.This spring element is composed of two identical contact springs having spring leaves and a spring clip disposed therebetween. The spring clip is provided with a clamping leaf equipped with claws. A planar rear leaf connects the two contact springs with the spring clip. An angled-away insertion strip at the clamping leaf facilitates insertion of the spring clip onto a longitudinally rectangular longitudinal web at the rear face of the front plate. The spring leaves are provided with contact humps and an abutment strip and contact the longitudinal strip of the front plate of the adjacent modular unit which is provided with an insertion slope.Type: GrantFiled: April 1, 1992Date of Patent: August 3, 1993Assignee: Schroff GmbHInventors: Hans-Ulrich Gunther, Michael Joist
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Patent number: 5170894Abstract: A component carrier for accommodating circuit boards includes two front module rails and two rear module rails which connect two parallel side walls with one another. Between the side walls, guide rails for insertion of the circuit boards are provided at the module rails. The frontal faces of the rear module rails are provided with threaded holes for screwing on backplanes. Insulating strips which are equipped with fastening elements and are clamped to the module rails by means of these fastening elements serve to insulate these backplanes against the module rails. The insulating strips are provided with holes which correspond to the threaded holes in the module rails.Type: GrantFiled: September 5, 1991Date of Patent: December 15, 1992Assignee: Schroff GmbHInventors: Michael Joist, Hans-Ulrich Gunther
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Patent number: D350533Type: GrantFiled: November 23, 1992Date of Patent: September 13, 1994Assignee: Schroff GmbHInventors: Norbert Grosskurth, Paul Mazura, Johann Stein
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Patent number: D366247Type: GrantFiled: September 14, 1994Date of Patent: January 16, 1996Assignee: Schroff GmbHInventors: Paul Mazura, Hans-Martin Schwenk