US3704437A - Current distributor rail - Google Patents

Current distributor rail Download PDF

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Publication number
US3704437A
US3704437A US104104A US3704437DA US3704437A US 3704437 A US3704437 A US 3704437A US 104104 A US104104 A US 104104A US 3704437D A US3704437D A US 3704437DA US 3704437 A US3704437 A US 3704437A
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US
United States
Prior art keywords
rail
current
metal base
plastic covering
current distributor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US104104A
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English (en)
Inventor
Kurt Hesse
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Staff und Schwarz GmbH
Original Assignee
Staff und Schwarz GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AT12670A external-priority patent/AT303864B/de
Application filed by Staff und Schwarz GmbH filed Critical Staff und Schwarz GmbH
Application granted granted Critical
Publication of US3704437A publication Critical patent/US3704437A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate
    • H01R13/453—Shutter or cover plate opened by engagement of counterpart
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length

Definitions

  • ABSTRACT 30 Foreign Application priority Data
  • a current distributor rail for supplying current to consuming devices comprising a C-section metal base ex- Jan. 7, 1970 Germany ..A 126/70 tending over the entire length of the rail and a plastic covering enclosing the metal base.
  • the present invention concerns a current distributor rail for current consuming devices such as lamps or other electrical apparatus, comprising at least two electric conductors and at least one protective conductor.
  • the rail may be fitted with one or more circuits.
  • a further object of the invention is to provide a current distributor rail having current conductors positionally located in a simple and reliable manner and which is electrically safe.
  • a further object is to provide a current distributor rail which allows current to be tapped at any point along its length. Moreover, an adaptor can be attached to the current distributor rail at any point of the rail length.
  • a further object of the invention is to provide a stable rail design.
  • the rail is furthermore of compact structure and easy to assemble.
  • a current distributor rail for current consumers is characterized by a metal-reinforced plastics section which carries several electric conductors and earthing means, the conductors forming two independently usable direct or alternating circuits, or one three-phase circuit.
  • the current distributor rail with a metal base having a C-shaped or partially C- shaped cross section, surrounded by a plastic covering.
  • Two earthing conductors extending adjacent to each other over the entire length of the rail, with a space between them; they are secured near the upright portion of the C-shape to the metal rail, the latter being formed from a strip of sheet metal, preferably a strip of steel sheet.
  • Two power conductors spaced apart one above the other extend along each of the two side portions of the plastics covering, each such conductor being clamped in a channel. These conductors are accessible only from the interior of the rail.
  • each lateral leg of the C-shaped metal section is bent inwardly and forms a bearing for an adaptor serving as a current feeding or connecting device for a series of current distributor rails.
  • a locating groove for the adaptor is formed in the plastic covering, the groove providing a sliding and clamping surface.
  • the current distributor rail of the present invention is economical to manufacture; it can be produced in only a few operations, so that, due to the method of manufacture, the production costs of the rail are greatly reduced compared with known rails.
  • the metal-reinforced plastics shape is very stable.
  • the power conductors of the current distributor rail may carry a three-phase current, so that the rail is very versatile.
  • the current distributor rail of the present invention may be used in a wise variety of situations on account of its economical design, its long life and its great safety.
  • the rail can be produced in uniform or varying lengths, or may be cut to any required length, and is thus constantly ready for use.
  • the current distributor rail may be laid from wall to wall. Electrical connection with several rails is simple and reliable.
  • the rails is adapted to be mounted from its open longitudinal side.
  • FIG. l is a perspective view of a current distributor rail
  • FIG. 2 is a cross section through the same current distributor rail
  • FIG. 3 is a cross section through a current distributor rail with a ceiling or hanging support
  • FIG. 4 is a view from below of abutting end portions of two current distributor rails
  • FIG. 5 is a perspective view of a current distributor rail with a protective cover closing the front of the rail
  • FlG. 6 is a perspective view of a current distributor rail having a plastics covering welded to the ends,
  • FIG. 7 is a cross section through a current distributor rail comprising additional supporting members of plastics material.
  • a current distributor rail for current consuming devices such as lamps or electrical apparatus is formed as a metal-reinforced plastics shape, having a metal base 10 which extends over the entire length of the rail and is covered with a plastics material N.
  • This metal base 10 serves to reinforce the plastics shape and is of C-shaped cross section.
  • the section llld is provided with openings 14.
  • a current distributor rail may be secured in direct contact with a locating surface (a ceiling or wall) by means of securing members such as screws 15, or may be spaced from the locating surface.
  • the plastic covering 11 is provided with an inner groove 2'7 extending over the entire length of the rail so that the heads of the screws do not project into the interior 16 of the rail.
  • the termination 24 has a cover 25 affixed thereto or an adhesive connection welded or cemented thereon, the cover or connection covering the end faces of the conductors 112, ll? and thus preventing contact with the conductors for safety.
  • the cover means are provided over their entire length with a rail w, 11 having a constant cross-section and with conductors 18, 12, thereby allowing the distributor rail to be cut into any desired length whilst ensuring electrical safety.
  • the cover means it is not necessary for the cover means to cover more than the ends of the conductors lb, 112 and thus they do not have to overlap the entire cross-section of the rail.
  • a locating groove 21 in the cover mean is formed as a longitudinal extension of the locating groove 21 formed in the rail.
  • suspension rods or tubes are provided which can be secured at one end to a securing and compensating member 28 (see FIG. 5), connected to the upper portion of the distributor rail.
  • This securing and compensating member 28 is secured by means of bolts 29 to the distributor rail, the bolts extending though the slots 14 in the rail.
  • the suspension members (tubes or rods) engage in a slot 30 of the member 28 extending in the longitudinal direction of the rail so that the rail may be secured with an adjusting action in the longitudinal direction of the rail.
  • the rail may be suspended from a securing surface by clamp-like securing means (not shown) engaging directly in the openings 14.
  • FIG. 7 of the drawings shows an arrangement of a current distributor rail located between ceiling divisions 31.
  • the rail is secured to a supporting profile 32 mounted in theregion 10d of the rail and having a U shaped cross-section.
  • the profile 32 may be secured to the mounting surface directly or by means of suspended securing means 33.
  • the parts of the ceiling 31 are secured to this supporting profile 32 by means of holding members 34 inserted in the supporting profile 32.
  • the underside of the ceiling parts 31 and of the distributor rail lie flush in one plane.
  • the additional support profile 32 serves to hold the distributor rail and ceilings 31 together.
  • the distributor rail can be secured in the plaster of a wall of a building.
  • a whole rail portion may be rapidly and reliably deenergized by separating adjacent rails by removing interconnectin g adaptors.
  • the plastic covering 11 may be shaped so that the current distributor rail fits a cavity in which it is located.
  • FIGS. 3 and 4 of the drawings relating to a current distributor rail having a metal reinforced plastics profile, corresponds in its basic construction to the rail shown in FIGS. 1 and 2 and may be detachably connected to a surface of a structure.
  • the distributor rail according to FIG. 3 is provided on each side with a separate plastics support profile 35 holding the two electrical conductors 18. This material is inserted in a receiving space 36 of the plastic covering 11 from the interior 16 of the rail.
  • each supporting profile 35 holding the electric conductors 18 is secuted by clamping or adhesive in the receiving space 36 of the plastic covering. It is preferable to form each supporting profile 35 with a rectangular (standing on edge) cross-section, and to form it as long as necessary.
  • the two supporting profiles 35 are inserted, after the rail is made, into the receiving spaces 36 accessible from the receiving space 16 and opening inwards.
  • the two earthing conductors 12 arranged on the upright 10d of the metal base it) are conductively connected to the base and are secured thereto before the metal base is folded or, without previous securing, held on the base 10 by the plastics covering 11. During the location of the earth conductor 12 it is not necessary to form receiving grooves 13 so that the upright portion 10d,
  • portion 10d may be provided extending downwardly and outwardly at a right angle to the portion 10d.
  • the upper rail part 23 is provided at the top with several compensating portions 23a extending in the longitudinal direction of the rail and spaced apart across the rail, these compensating portions 23a providing agood contact with a securing surface for the distributor rail and compensating for irregularities in the securing surface; these compensating members 23a are formed during the production of the plastics covering 1 1.
  • the two ends of the current distributor rail are provided near the termination 24 or the cover 25 with an opening 37 (FIGS. 3, 5 and 6) corresponding to the shape of the adaptor to be used. It is preferable to provide the ends of the rail alternately with a lateral fixing bar 38 extending into the inner cavity 37 above the securing groove 21. At one end of the distributor rail the bar 38 is provided on one side of the opening and at the other end of the rail on the opposite side of the opening, the opening 37 is thus asymmetrical.
  • the two fixing bars 38 extend from the upper edge of the particular securing groove 21 as far as the upper edge of the receiving space 16 and make it possible to locate an adaptor in the abutting are of adjacent distributor rails, so that a connection between the power conductors 18 of adjacent rails isensured by the adaptor.
  • the adaptor is provided with a relatively displaced fixing grooves in the longitudinal direction, corresponding to the projecting fixing members 38.
  • the termination 24 or the protective cover 25 is shaped in the region of the fixing grooves 21 to the cross sectional size of the locking members retaining the adaptor in the rail, so that only the recess 22 adjacent to the fixing groove 21 is covered; the adaptor locking members partially engage in the two adjacent distributor rails and simultaneously bring them into alignment.
  • another recess may be provided in the upper lateral portion of the rail (near the rail projection 23) which recess opens outwardly in the region of the outer plastics covering.
  • This recess 22 may be circular, oval or u-shaped.
  • grooves 3h are formed to increase leakage current paths.
  • the insertion openings 19 of the distributor rail are closed by means of flexible sealing lips at the opening end (FIG. 2); the sealing lips 194 form a unit with the plastics covering 11. r
  • the closing lips 19a extend along the upper and lower insertion edges of the openings 19 and are directed towards each other; each insertion opening 19 for the electrical leads 1% is provided with two oppositely disposed lips 19a, closing the opening 19 from the cavity 16.
  • the sealing lips 19a are pressed into the insertion opening 19 by the electrical terminals of the adaptor when said adaptor is positioned, and then return to a closed position. These lips 19 extend over the entire length of the rail and keep the openings 19 closed except near an adaptor, so that adequate protection to the power conductors is ensured.
  • the sealing lips 19a may be formed as brushes which are rigidly or detachably arranged in the plastics covering 11. Alternatively the sealing lips 19a are formed of separate parts such as strips, which can be detachably secured in the region of the insertion openings 19 on the plastics covering 11.
  • sealing lip 19a may be provided covering the insertion side of the opening 19.
  • the rail may be produced in fixed or optional lengths or, may be cut to any desired length and is thus always ready for installation.
  • the current distributor rail may be laid from wall to wall. Electrical connection with a plurality of rails is simple and reliable.
  • the mounting of the rail is preferably effected from the open longitudinal side of the rail.
  • a current distributor tail for supplying current to consuming devices, comprising a C-section metal base having two side members an a central bridging member intermediate the side members and extending over the entire length of the rail, a plastic covering enclosing said metal base, at least two current conduca tors embedded in said plastic covering on each side of said rail and insulated thereby an access openingfor each conductor defined by said covering and extending over the entire length of said rail, two ground conductors arranged on and in contact with said central bridging member and accessible from the interior of said rail through recesses in said plastic covering, and two locating grooves extending over the entire length of said rail defined by said plastic covering and accessible from the interior of said rail, said locating grooves having clamping surfaces to receive an adaptor.
  • a current distributor rail as recited in claim 1 said metal base being folded from steel sheet, with two rectangular section ground conductors of non-corrodible metal extending parallel to each other in the longitudinal direction of the rail over the entire length of said rail with means for fastening said ground conductors to said metal base.
  • a current distributor rail are recited in claim 1, said plastic covering enclosing and defining an inner space of said rail of rectangular cross section, open on the lower side of said rail, and said adaptor received in said space, said adaptor being capable of being slid along said rail to a desired location.
  • a current distributor rail as recited in claim 3 comprising a separate rectangular section supporting profile of plastic material on each side of said rail, held in a receiving space defined by said plastic covering, two current conductors clamped in receiving spaces defined by said supporting profile said spaces opening to the interior of said distributor rail.
  • each access opening for the current conductors comprises flexible closing lips of insulating materi- 7.

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  • Distribution Board (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
US104104A 1970-01-07 1971-01-05 Current distributor rail Expired - Lifetime US3704437A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT12670A AT303864B (de) 1970-01-07 1970-01-07 Stromverteilerschiene

Publications (1)

Publication Number Publication Date
US3704437A true US3704437A (en) 1972-11-28

Family

ID=3482191

Family Applications (1)

Application Number Title Priority Date Filing Date
US104104A Expired - Lifetime US3704437A (en) 1970-01-07 1971-01-05 Current distributor rail

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US (1) US3704437A (enrdf_load_html_response)
ES (1) ES196130Y (enrdf_load_html_response)
SE (1) SE7100071L (enrdf_load_html_response)
ZA (1) ZA7190B (enrdf_load_html_response)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4729742A (en) * 1984-01-25 1988-03-08 Matsushita Electric Works, Ltd. Electric power distribution track
WO2005020388A1 (en) * 2003-08-21 2005-03-03 Nutek Private Limited Electrical power distribution apparatus
KR101029904B1 (ko) 2003-08-21 2011-04-18 누텍 프라이빗 리미티드 배전 장치 및 전기 커넥터
RU2601213C2 (ru) * 2015-03-30 2016-10-27 Виктор Борисович Лебедев Контактная линия с подвижными штепсельными розетками
US20240027040A1 (en) * 2019-10-08 2024-01-25 Zumtobel Lighting Gmbh Mounting rail for luminaires or electric units

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2708264A (en) * 1954-10-20 1955-05-10 Clarence T Hewitt Continuous electric socket constructions
GB957128A (en) * 1962-03-22 1964-05-06 E M S Electrical Products Ltd Electrical distribution system
US3546367A (en) * 1968-07-22 1970-12-08 British Lighting Ind Ltd Track for distribution of electricity
US3559146A (en) * 1968-10-25 1971-01-26 Nokia Oy Ab Current supply rail arrangement and a connection plug
US3569898A (en) * 1968-02-09 1971-03-09 Philips Corp Supply rail for electrical distribution systems

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2708264A (en) * 1954-10-20 1955-05-10 Clarence T Hewitt Continuous electric socket constructions
GB957128A (en) * 1962-03-22 1964-05-06 E M S Electrical Products Ltd Electrical distribution system
US3569898A (en) * 1968-02-09 1971-03-09 Philips Corp Supply rail for electrical distribution systems
US3546367A (en) * 1968-07-22 1970-12-08 British Lighting Ind Ltd Track for distribution of electricity
US3559146A (en) * 1968-10-25 1971-01-26 Nokia Oy Ab Current supply rail arrangement and a connection plug

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4729742A (en) * 1984-01-25 1988-03-08 Matsushita Electric Works, Ltd. Electric power distribution track
WO2005020388A1 (en) * 2003-08-21 2005-03-03 Nutek Private Limited Electrical power distribution apparatus
US20070218720A1 (en) * 2003-08-21 2007-09-20 Nutek Private Limited Of Joo Koon Circle Electrical Power Distribution Apparatus
RU2328063C2 (ru) * 2003-08-21 2008-06-27 Нутек Прайвит Лимитед Устройство для распределения электропитания
US7544071B2 (en) 2003-08-21 2009-06-09 Nutek Private Limited Electrical power distribution apparatus
US20090149076A1 (en) * 2003-08-21 2009-06-11 Nutek Private Limited Electric power distribution apparatus
US7833027B2 (en) 2003-08-21 2010-11-16 Nutek Private Limited Electrical power distribution apparatus with switch
KR101029904B1 (ko) 2003-08-21 2011-04-18 누텍 프라이빗 리미티드 배전 장치 및 전기 커넥터
RU2601213C2 (ru) * 2015-03-30 2016-10-27 Виктор Борисович Лебедев Контактная линия с подвижными штепсельными розетками
US20240027040A1 (en) * 2019-10-08 2024-01-25 Zumtobel Lighting Gmbh Mounting rail for luminaires or electric units
US12247727B2 (en) * 2019-10-08 2025-03-11 Zumtobel Lighting Gmbh Mounting rail for luminaires or electric units

Also Published As

Publication number Publication date
SE7100071L (enrdf_load_html_response) 1971-07-08
ES196130U (es) 1975-02-16
ZA7190B (en) 1971-10-27
ES196130Y (es) 1975-07-01

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