US3871730A - Connecting device for current distributor rails - Google Patents

Connecting device for current distributor rails Download PDF

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Publication number
US3871730A
US3871730A US344207A US34420773A US3871730A US 3871730 A US3871730 A US 3871730A US 344207 A US344207 A US 344207A US 34420773 A US34420773 A US 34420773A US 3871730 A US3871730 A US 3871730A
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Prior art keywords
contact
protective
bridging
current
contacts
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US344207A
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English (en)
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Kurt Hesse
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STAFF KG
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STAFF KG
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Priority claimed from DE19737306545 external-priority patent/DE7306545U/de
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    • 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
    • H01R25/145—Details, e.g. end pieces or joints
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/02—Intermediate parts for distributing energy to two or more circuits in parallel, e.g. splitter

Definitions

  • a connecting device for interconnecting U-shaped current distributor rails at right angles includes a cubic connecting body including a variable arrangement of insulated interconnecting contacts and earthing strips, a rectangular hole in each of four sides of the cube, and a bridging body in each hole opposite to and extending into a rail to which connection is to be made, non'used holes being plugged up.
  • Each bridging body has insulated bridging and earthing contacts interconnecting its associated rail with similar contacts of the connecting body, and locking means for securing each bridging body in position.
  • the earthing connections are dimensioned so as to make contact before the power connections, during assembly of the various parts.
  • One object of the present invention is to provide a simple and economical, easily manipulated device for establishing a reliable and safe connection for electrical current distributor rails with adaptors, and having a U- shaped or C-shaped cross-section.
  • Another object of the present invention is to provide a compact construction of the connecting device which should have no parts projecting beyond the rail crosssection.
  • This connecting device is formed of only a few separate parts and provides an electrical connection between the current distributor rails without the use of tools and wiring.
  • a further object of the present invention is that the connecting device should render possible any desired electrically safe interconnection of the current distributor rails.
  • a connecting device for electrical current distributor rails adapted to receive current collectors and having a U-shaped cross-section, including a connecting body arranged between the adjacent ends of current distributor rails located in the form of a T or cross and lying with their open sides in a common plane, said body having a plurality of connecting or protective contacts each forming an electrical connecting cross-over, a bridging body provided for each rail end to be connected, the body detachably engaging with a plug connection in the connecting body and in an end of the current distributor rail, and having a ,plurality of contact bridges connectable to the current conductors of the current distributor rails and the connecting contacts of the connecting body and a protective contact bridge connectable to the current distributor rail protective conductor and the protective contact of the connecting body before the current-conducting closure of the contacts, during connecting up of the rails.
  • the device of the present invention for the electrical connection of current distributor rails abutting each other at an angle, T-shaped or cross-shaped, is simple and economical to design and renders possible easy, rapid and electrically reliable connections.
  • the device includes a connecting body provided in the abutting areas of the rails and a bridging body at its sides, (preferably square) and in the ends of the rails, the said body being secured with a plug connection in the ends of the rails, so that only the bridging bodies need to be inserted in the ends of the rails and the connecting bodies to establish electrical connections.
  • the connecting body is provided with contacts on all its square sides, and each bridging body has contacts which are connectable to the contacts of the current distributor rail and to the contacts of the connecting body without wires and without the use of tools, by pressure and sliding contact means.
  • An advantage of the present invention is the compact construction of the connecting device which is accommodated entirely in the free space between the abutting current distributor rails and in the rails, so that it has no parts projecting beyond the periphery of the rails.
  • the contacts are provided in the device by the manufacturer, and therefore the electrical connection can be effected without danger by an unskilled person.
  • the entire device has only a few separate parts which can be made economically, and assembled rapidly.
  • phase arrangement may be of any desired kind, so that all parallel rails may have the same phase arrangement, the phase arrangement may change from time to time.
  • This form of phase connection is electrically reliable because of the use of polarisation points between the connecting body and the ends of the rails.
  • the bridging bodies when mounted in the current distributor rails afford a mechanical fixing means for the connecting body, so that it is held between the ends of the current rails by the bridging bodies.
  • the connecting body forms a structural unit with the electrical supply leads, separate current feeding devices are unnecessary; the present invention presents a compact feeding cube which is electrically safe to manipulate, requires no internal wiring for assembly. and is simple to connect to the mains supply voltage externally of the rail system.
  • a supply of current may be effected at any abutting or crossing point of a network or grid formed of rails.
  • FIG. 1 is a perspective view from below of three current distributor rails abutting in T-shaped joint, and a device connecting them electrically together in the abutting area.
  • FIG. 2 is a vertical longitudinal section through a connecting device formed of a connecting body with connecting contacts and a bridging body with contact bridges, taken on the line I-I of FIG. 3.
  • FIG. 3 is a horizontal longitudinal section through the same connecting device taken on the line II-Il of FIG. 2.
  • FIG. 4 is a front view of the bridging body, viewed from the end within the connecting body;
  • FIG. 5 is a plan view of the bridging body
  • FIG. 6 is a front view of the connecting body, with an insertion opening receiving a portion of the bridging body, and connecting contacts located therein;
  • FIG. 7 is a plan view of the lower portion of the bipartite connecting body with the cover removed;
  • FIG. 8 is a plan view of two superimposed connecting contacts with a rectangular phase arrangement
  • FIG. 9 is a plan view of two superimposed connecting contacts with diagonal phasearrangement
  • FIG. 10 is a perspective view of a connecting contact of the connecting body, constructed as an electrical cross-over;
  • FIG. 11 is a schematic view of the current rail phases of a current rail network, the electrical connection having contacts as shown in FIG. 10;
  • FIG. 12 is a perspective view of an alternative connecting contact of the connecting body, constructed as an electrical cross-over;
  • FIG. 13 is a schematic view of the arrangement of the current rail phases of a current rail network, with contacts according to FIG. 12;
  • FIG; '14 is aside view of aconnecting device formed from a distributor body with a bridging body inserted therein, with modified current conducting contacts and a protective contact arranged differently;
  • FIG. is ahorizontal longitudinal section through the same connecting device taken on the line III-III of FIG. 14;. t
  • FIG. 16 is a vertical cross-section through a bridging bodyinserted incurrent distributor rails, with a protective (earthing) conductor on one side wall;
  • FIG. 17 is a plan view of a connecting contact with a contactbridge in contact therewith;
  • FIG. 18 is a plan view of a protective connecting contact with a protective contact bridge in contact therewith;
  • FIG. l9 is a. schematic plan view of a connecting body with current distributor rails attachable thereto and having locating projections on the connecting body and a groove in the current distributor rails;
  • FIG. is a perspective view of a connecting body provided between current distributor rails forming a I junction, and acting as a feed point, with electrical leads projecting from its upper end;
  • FIG. 21 is a side view of a connecting body comprising a plurality of superimposed contact members and an electrical lead connected to each contact member, and extending upwardly, shown partly in section and in a partially expanded view;
  • FIG. 22 is a perspective view of a plate-like contact member connected to an electrical lead and having openings for the other electrical leads, and an insulating spacer having inserting openings for the electrical leads.
  • a connecting body (distributor box) 10 having a U-shaped cross-section and arranged with the open side of the rail (U side) located in current distributor rails 12 in a common plane, forms an electrical and mechanical connecting device for electrical current distributor rails 12, with one or more bridging bodies (plug members) 11 detachably engaging in ends of the current distributor rails abutting the body 10.
  • the connecting body 10 has .a square basic shape corresponding in size to the free space between the T- shaped, arrangement of the rails 12 and square sides corresponding in width and depth to the width and depth of the rails; on each side of the square there is an insertion opening 13 (FIG. 2) for a bridging body 11. Unused insertion openings may be closed by an insert l4 so that the unused squareside is securely shut-off electrically. from the outside.
  • the bridging bodyll is similar in its form and cross section over aportion 11 of its length, to the receiving space. (U-space l2a) of the current distributor rail 12, and over the other part of its length 11a to the insertion opening 13; it .is preferable to provide the bridging body 11 with. a rectangular cross-section, to displace the part of the bridging body engaging in the connecting body 10 in depth relatively to the other portion, and to reduce its width.
  • Theportion 11b of the bridging body 11 engaging the current distributor rail 12 has a lower side extending flush with the lower side of the connecting body 10 and the open side ofthe rail, so that the connecting device extends flush with each rail 12 on the open side of the rail and is co-planarv therewith.
  • the current distributorrail 12 On the two opposingside walls of the rail the current distributorrail 12 is provided with two current conductors 15 (R,S,T AND 0) located with a clearance one above the other, extending over the entire length of the current distributor rail and accessible from the interior 12a of the rail, and a protective (earth) conductor 16 disposed externally of the cross-sectional bi-sectors of the rail (near a side wall of the rail), extending over the entire length of the rail in the connecting portion of the U and also accessible from the interior 12a of the rail, these conductors 16 being electrically connected together with the current distributor rails 12 by the connecting device, the phasing being the same in each case.
  • two current conductors 15 R,S,T AND 0
  • a protective (earth) conductor 16 disposed externally of the cross-sectional bi-sectors of the rail (near a side wall of the rail), extending over the entire length of the rail in the connecting portion of the U and also accessible from the interior 12a of the
  • the connecting body 10 is provided with a plurality of connecting contacts such as current-conducting contacts 17 and 18, and a protective contact 19, and each bridging body 11 has a plurality of currentconducting contact bridges 20 making contact with the current conductors 15 of the current distributor rail 12 and the connecting contacts 17 and 18 of the connecting body by a plug or sliding connection.
  • connecting contacts 17 and 18 arranged one above the other with a clearance, corresponding to the number of rail current conductors 15. These are located about a bearing axis 22 provided in the centre of the square connecting body 10 and extending at a right angle to the direction of insertion of the bridging body, each two of which have adjacent contact tabs 23 and 24 (the lower two and the upper two) located on a common level; these tabs 23 and 24, disposed at the same level, and associated with superimposed pairs of contacts, establish electrical connection between opposed current conductors 15 of the distributor rail 12.
  • Each connecting contact 17 and 18 is a plate-shaped metal part having four contact tabs 23 and 24 bent out of the plane of the plate to a second plane; all the contact tabs 23 and 24 of each connecting contact 17 and 18 extend in a common plane and are arranged in the form of a cross.
  • the crossing point of the imaginary lines of all the tabs 23 which extend in the longitudinal direction of the tabs or of two adjacent tabs 24, extends outside the contact bearing point 22.
  • All the four tabs 23 and 24 of each contact 17 and 18 respectively are at right angles to each other in their longitudinal direction, the four tabs 23 of the contact 17 crossing each other at a common point and the four tabs 24 of the contact 18 having two crossing points with a space between them. Two tabs 24 are always at right angles to each other in this case.
  • the connecting contact 17 of FIGS. 3 and 8 has four tabs 23 the extensions of which cross each other at a common point, and the crossing point of all these four tabs 23 is in the corner of a square contact plate 25 of this contact 17; two adjacent tabs 23 meeting in a corner of the contact bearing plate, extend within'the connecting body 10 on both the inner sides of'the angle of two adjacent insertion openings 13, and the other two tabs 23 disposed also at a right angle to each other, ex-
  • the connecting contact 18 of FIG. 12 is provided at both ends of a diagonal bar 26 with two tabs 24 which join at a right angle and are each disposed on the insides of the angle of two adjacent insertion openings 13.
  • This contact 18 is roughly cross-shaped, and is arranged with its bar 26 diagonally to two relatively opposed insertion openings 13 in the connecting body (FIG. 9).
  • a square bearing opening 27, is formed in the contact bearing plate and the diagonal bar 26, through which hole the bearing axis 22, also having a square cross-section, engages to prevent the contacts 17, 18 from turning.
  • the square hole 27 in the contact 17 has its sides parallel to adjacent tabs 23, and the hole 27 in the contact 18 extends with its square sides also parallel to the adjacent tabs 24, the diagonal arrangement of the bar 26 being thereby determined in the connecting body 10.
  • the connecting body 10 has a two-part housing with a box-shaped lower part 28 of plastics material, and a box-shaped cover 29, also of plastics material, mounted thereon. These two housing parts 28, 29 are held together by a bolt 30 passing through the bearing axis 22.
  • each insertion opening 13 contains two tabs 23 and 24, one tab of which, 23 or 24, is used by the upper contact 17 or 18 and the other tab 23 or 24 by the lower contact 17 and 18 co-operating with the upper contact (FIGS. 8 and 9).
  • the contact member 17 (FIG. 8) is turned in its plane through 180 and arranged in pairs, and then through 90 to the right about its axis 22 or about the diagonal, as a pivotal axis, through l80 extending between the two pairs of tabs (the inner angle pair and the outer angle pair).
  • the contact member 18 (FIG. 9.) is turned through 180 in its plane and arranged in pairs, and then rotated about its bearing point 22 through 90 to the right or left so that the bars 26 of two co-operating contacts 18 cross each other.
  • four contact tabs 23 and 24 also extend in each insertion opening 13, two tabs 23 extending adjacent to each other with a lateral clearance and located at a common level, and two pairs of tabs 23 and 24 disposed vertically one above the other (FIGS. 2, 3, 6, 8 and 9).
  • the free corner between two contact tabs 23 and associated with the contact plate 25 has a fixing surface 25a co-operating with alternately diagonally opposed fixing surfaces 32 of the lower part 28.
  • a protective connecting contact 19 held by a spacer 31 above the upper contact 17 or 18 secured in the lower part 28, which also has four resilient contact tabs 33 in the form of a cross, of which only one tab is in each insertion opening 13. At the same time each tab extends only along one side of the insertion opening 13.
  • These tabs 33 may be arranged according to the tabs 23 of the connecting contact 17 shown in full line in FIG. 3.
  • the bridging body 11 also has a two-part housing which is formed from a lower box-shaped part 34 and a box-shaped cover 35. These two parts both consist of plastics material and are held together by a connecting bolt 36, near the part 11b and extending at a right angle to the direction of insertion of the body and parallel to the axis 22. This bolt means 36 passes through a cover attachment 35a resting on the bottom of the lower part 34.
  • the bridging body II has four contact bridges 20, of which two contact bridges 20 are provided in vertical spaced relationship in each side portion of the bridging body 11. Thus two pairs of contact bridges are located one above the other and are mounted vertically in the bridging body 11 to agree with the spacing between the current conductors 15.
  • the two contact bridges 20 provided in each side portion are each mounted on an insulating body 37 of plastics material, and the two relatively opposed insulating bodies 37 have arcuate contact surfaces 38 at one end (mobile surfaces formed. by thickened portions) these being directed towards each other so that they are in contact but relatively displaceable. They engage with an abutment preventing movement of the insulating bodies 37 away from the connecting body 10.
  • each contact bridge 20 has a knife contact member 41, coming into contact with the tab 23 or 24 of the contact 17, 18 on the connecting body, and at the other end, a contact member 42 coming into contact with a current conductor 15 of the conductor rail 12, said part 42 extending out of the side wall of the housing 34.
  • the opposing parts 42 of the four contact bridges 20 are held by the spring 39 pressed against their insulating bodies 37 in a position outside the housing 34 so that they come immediately into contact with the conductors 15 when the bridging body 11 is inserted into a current conductor rail 12, thus rendering possible a certain amount of relative movement due to their spring mounting.
  • edge-wise knife or sliding contacts or contact members 41 are in contact with the tabs 23 and 24 during any swivel movement of their insulating bodies 27, since these tabs have a much greater width than the thickness of the contact members 41.
  • a turned up protective conductor 21 is journalled to pivot about the connecting axis 36 on the upper side of the bridging body 1 l and can look in either of two pivoted positions, said conductor being in contact with a contact bridge 44 extending longitudinally over the entire body 110.
  • the top of the cover 35 is provided in the pivotal range of the protective conductor 21 with two vertically spaced locking projections 45 engaging in a locking recess 46 in the conductor 21 when the conductor is in a particular pivoted position.
  • the protective conductor 21 mounted centrally at one end and associated with the bridging body 11 must be pivoted into an inclined position for making contact with the rail protective conductor 16; it is secured in this particular pivoted position by the locking connection 45, 46.
  • Identical bridging bodies 11' are used for an angular, T-shaped or cross connection, so that the protective conductor connection of the bridging body 11 must be pivoted into one or other inclined position with the rail protective conductor 16 of the protective conductors 21 into one or other inclined position, in order to come into contact with its conductor 16 disposed on one side when the current distributor rails 12 come into abutment with the connecting body 10.
  • the bent protective conductor tab 33 of the protective conductor cross 19 in the connecting body is located on the protective conductor bridge 44 of the bridging body 11, making contact to give protective earthing.
  • the protective conductor connection is produced first between the protective conductor bridge 44 and the protective conductor tab 33 and then a current conducting connection is established between the contacts 41 and 23 or 24. This is ensured by extending the bridge 44 further in the insertion direction.
  • the body 11 is provided on itstwo relatively opposed side walls, in the lower portion, with a projecting securing bar 47 occupying a portion of the length of the bridging body.
  • the two securing bars 47 are opposed to each other at the same level and engage in fixing grooves in the current distributor rails 12; they extend over the entire length of the rail 12 and are accessible from the rail receiving space 12a.
  • the bridging body 11 is detachably secured in the connecting body 10 by a locking connection, whilst, on the lower side of the portion 11a, a projecting locking member 48 is provided engaging in an annular groove 49 of the lower part 28 in each insertion opening.
  • the insertion member 14, closing the unused insertion opening 13 of the connecting body 10 is formed as a plastics hood and its base is flush with the outer surface of the housing in the inserted position (FIGS. 2 and 3).
  • the member is provided with a locking projection 50 by which it engages in a locking recess 49 of the lower part 28.
  • the box-shaped insertion member 14 To release the box-shaped insertion member 14, it has a bottom insertion opening 51 for a tool, but this insertion opening 51 is covered by an internal bar 52 preventing contact of the tool with an electrical contact 17.
  • the end of'each bridging body 11 when disposed within the connecting body 10 is closed for the contacts 23, 24 with the exception of openings 110.
  • the current distributor rails 12 when mounted on a ceiling or wall can be electrically connected at their abutting ends as follows.
  • the bridging body 11 is first inserted with its entire length into the rails 12; then the connecting body 10 is inserted between the free space defined by the adjacent ends of the rail and the individual bridging bodies 11 are partially drawn out of the ends of the rail again and inserted into the openings 13 of the connecting body 10 for electrical connection with their section 110, the protective earthing (connection of the contact 33 and 44) being first made, followed by a connection between the contacts 23 and 24 and 41.
  • the long sections 11a of the bridging bodies 11 inserted in the connecting bodies 10 keeps the body 10 fast between the ends of the rails, so that it is not necessary to secure it to a surface of a building.
  • the laterally projecting contact members 42 make contact with the rail current conductors 15 and the upwardly projecting protective conductor 21 is disposed against protective conductor 16, the conductor 21 of the bridging body 11 having to be pivoted into the lateral position in which the rail protective conductor 16 is disposed.
  • FIG. 11 of the drawings show the phase arrangement (R.S.T and O) in the case of grid-shaped current distributor rails 12; an electrical connection at the abutting points (crossing points) of the current rail 12 is established by the connecting contacts 17 of FIG. 10, so that the parallel current rails 12 always have the same phases R, S and T, O on the same side.
  • the phases R and S are always on the left side and the phases T and O on the right side.
  • FIGS. 13 also shows the phase arrangement (R, S, T and O) with grid-like current distributor rails 12; the electrical connection at the abutting points (crossing points) of the current rails 12 is established by the connecting contacts 18 of FIG. 12, so that the parallel rails 12 change in their phase arrangement.
  • the phases R and S are on one side and the phases T and O on the other side but in the case of the following rail 12 these are reversed. This is repeated alternately in the case of all the rails 12 arranged in series.
  • the ends of the rails and the corners of the connecting body are provided with projections or recesses 53, 54 so that a phase cross-over is impossible. Only the rails 12 having ends corresponding with the recesses or projections 53, 54 of the connecting body 10 can be attached at this end, otherwise they must be connected to the body 10 by their other ends.
  • the connecting body 10 may have a basic form with more than four sides, and provided on each side with an insertion opening with contacts 17, 28so that more than four bridging bodies 11 can be detachably secured to the connecting body 10.
  • a lug 55 formed like an eyelet is provided at the end of each bridging body 11 remote from the connecting body 10 (FIG. 15). It has a threaded hole provided therein and extending transversly, to the longitudinal direction of the distributor rails through which hole a fixing screw (not shown) engages.
  • the bridging body 11 is secured detachably in the current distributor rails 12 by this fixing screw, in that the screw presses on the inside against the U or C cross piece.
  • FIGS. 14 to 19 show another embodiment of a connecting device for the electrical and mechanical connection of current conductor rails 12 abutting each other in the form of a T or cross, the rail protective conductor 16 being arranged in a different position from FIG. 1 on the current conducting rail 12 and on a side wall of the C or U-shaped rail 12, accessible from the rail receiving space 12a.
  • the connecting body and the bridging body 11 correspond in their basic design and in their mode of operation to the connecting parts 10,11 of FIGS. 1 to 13. In order to avoid repetition, no further description of the basic construction of the parts 10,11 of the device shown in F165. 14 to 19 is given and only modifications of the construction are described.
  • connecting cross protective contact 19 having eight projecting contact tabs 33 in the base of the body 10 each two of which tabs project as a pair into an insertion opening 13 of the connecting body 10 and are spaced from each other in the two side portions of the insertion opening 13.
  • each bridging body 11 In the two side portions of each bridging body 11 (in the area of the two side walls of the bridging body) there is a protective contact bridge 21 below the securing bars 417, one end of which is contactable by a contact tab 33 of the connecting body 10 and the other end of which is contactable by the protective conductor 16 in the end portion ofa C or U-side ofthe distributor rail 12 and accessible from the receiving space 12a, before the current-conducting closure of the contacts 15,17 and 20.
  • the bridging body 11 is provided on both sides with a protective contact bridge 21, but one only is used for the protective contact.
  • the rail 12 is attached at both ends to the connecting body 10 so that the conductor 16 is disposed either on the left side or on the right side and thus one of the two contact bridges 21 is used alternatively.
  • the two contact bridges 21 are located on the same side of the bridging body 11, lying exposed, and are secured by a common rivet 56, connected together in the centre longitudinal area or attached to the bridging body 11.
  • the two protective contact bridges 21 extend almost over the entire length of the bridging body 11 and are made longer than the current conducting contacts 20, extending at both ends beyond the current-conducting contact ends, so that a protective contact connection is automatically obtained when the parts 10,11 and 12 are plugged together, before the current conducting connection.
  • Each protective contact 21 is a metal strip having a rectangular cross-section which is arranged edgewise on the bridging body 11 by its greater cross-sectional extension, and is thus in parallel by this extension with the side wall of the bridging body.
  • the protective contact bridge 21 has sliding contacts 21a, 21b which are formed by bends in the plain of the strip, one of which is placed in contact with the lateral protective conductor 16 and the other with the inside (the side directed towards the bisector of the width of the insertion opening) of the tab 33.
  • the protective contact 19 of the connecting body 10 is formed by a plane metal plate having eight contact tabs 33, each two of which engage: as a pair in an opening 13, a protective contact bridge 21 being located against its sides facing each other.
  • the two tabs 33 of each pair extend parallel to each other and all the pairs of tabs 33 are at a right angle to each other in one plane.
  • All the connecting contact crosses 17,21 arranged one above the other are held by spacers 31 at points one above the other, and have a circular bearing opening 51 for securing their position.
  • There is a fixing groove 58 which is disposed between two tabs 23 and 33 at right angles to each other.
  • each two adjacent ones co-operate and have tabs 23 on a common plane; there are two contacts 17 of metal strip located with their tabs 23 in a common plane, two metal strips located with their tabs 23 in a second plane by bends, and one plane connecting contact 17 provided with angled tabs 23.
  • the bearing point 22 is formed by a column having a circular cross-section and provided with a rib engaging in the fixing groove 58. This holds all the contacts 17,19 in position in the connecting body 10.
  • the bearing point 22 is provided as an extension partially on the housing 28 and partially on the cover 29.
  • each current conducting contact bridge 20 is mounted on its own insulating body 37 so that each contact bridge 20 can apply itself individually to the associated rail conductor 15.
  • Each insulating body 18 is mounted to pivot within a certain range by the use of an arcuate (sector-like) contact surface 38 about an extension 350 of the cover 35 and of the housing 34, having a circular cross-section and simultaneously secured in its longitudinal position.
  • the two insulating bodies 37 opposed to each other at a common level are held on the outside in opposite directions by a pressure spring 39; this presses the contacts 20 against the rail conductors 15.
  • the contacts 20 may also be held on a common insulating body 37.
  • Each current conducting contact bridge 20 is a metal strip having a rectangular cross-section which is mounted on the insulating body 37 edgewise in the bridging body 11 by its greater cross-sectional extension; it extends by the edgewise plane of the strip parallel to the side wall of the bridging body, and the U or C sides of the rail.
  • each contact bridge 20 has a contact plate 42 bent at right angle to the plane of the stripand at the other end a sliding contact 41 formed by bends within the plane of the strip.
  • the contact plate 42 of each contact bridge 20 is in contact with the current conductor 15 and the sliding contact 41 is disposed againstthe inside (the side facing the bisector of the insertion'opening) of the contact tab 23 (FIG. 15).
  • the sliding contact 41 is exposed by an opening 59 for making contact with the connecting contact 17 at the sides and ends of the bridging body 10.
  • the connecting body On all of its square sides the connecting body has a rib-like projection 60 in one corner, which engages in a groove 61 of the current conductor rail 12.
  • the groove 61 is provided on the side of the rail holding the protective conductor 16 and extending overthe depth of the side'and also open over the depth of said sides.
  • This groove6l (FIGS. 16 and 19)extends over the entire length of' the rail. 4
  • the connecting body 10 is provided, on two adjacent sides of the square in a'common corner, with two projections 60 and on the other two sides of the square, in the corners adjacent to the above two sides of the squares, with respective projections 60.
  • the current distributor rails 12 can only be fitted in'a specific position by these projections 60 and their unilateral groove 61, so that, when the distributor rails 12 are applied to the connecting body 10,
  • the connecting body 10 shown in FIGS. 20-22 is a modified embodiment having a pluralityof'superimposed and electrically insulated contact members 17,19 which may be connected directly by electrical contacts 20,21 of the bridging body 11 to electrical contacts 15,16 of the distributor rails 12.
  • the superimposed current conducting contacts (R,S-,T.), the contact members 17,19 (for example fire contact members) forming azero conductor (M and a rail protective conductor, are each connected to an electrical lead 62 and all the electrical leads 62 extend out of thetop of the connecting body (upper surface) forconnection to-themain supply voltage.
  • the contact body 10 is provided with contact members 17,19 superimposed vertically on the connecting body, and electrical leads 62, as current feeding leads, extend out of the top ofthe connecting body 10 according to the number of contact membe'rs 17,19.
  • Each feed line 62 is connected by welding, soldering or the like to the contact member 17,19 associated therewith;- the ends 62a of the feed lines 62 in the connecting body 10 are bent relatively to the lines 62 extending vertically in the connecting body, rest on the contact members 17, 19 and are connected thereto by welding or soldering.
  • Each contact member 17,19 has a plurality of openings 63 through which all the leads 62 of the contact members 17,19 extend; it is preferable to provide each contact member 17,19 with the same number of openings 63 as thereare electrical leads 62.
  • five contact members four contacts 17 and one protective contact l9 are present with each five openings 63, whilst all the other four contact member leads 62 extend through the top contact member 17 connected to a lead while through the bottom contact member 19, which may represent the rail protective contact, no lead 62 is passed, but only one lead 62 secured thereto.
  • Each contact member 17,19 is a contact plate which has several contact bridges 23,33 located in the plane of the plate or located in said plate and bent out of the plane of the plate at a right angle to each other.
  • Each contact plate 17 has four contact bridges 23 and the contact plate 19 of the protective conductor has, four .contact claws 33.
  • Each contact plate 17,19 establishes contact by a contact bridge 23 or contact claw 33 in an insertion opening 13 extending transversely to the vertical direction of the connecting body.
  • Each contact plate 17,19 has a central centering opening 57 and lead openings 63 provided around this centering opening 57 with a space therefrom and from each other.
  • the centering opening 57 is a circular hole with a centering recess 58 branching therefrom and simultaneously providing a lead opening 63.
  • a plate-shaped spacer 31 of an insulating material, such as a plastics material, is arranged between the superimposed contacts 17,19 and electrically insulates the parts 17,19 from each other. It is also provided with 'a central centering opening 57 with a centering groove 58 and lead opening 63.
  • Thecentering groove 58 of the spacer 31 also provides a lead opening 63.
  • the spacers 31 are provided near the contacts with a recess 31a which receives the end 620 of the lead 62 soldered or welded to contact member 17,19.
  • the connecting body 10 has a lower, square base plate 64 on which hollow posts 65 extend upright from all four corners to leave exposed the insertion openings 13 between them to rise with a preferably square crosssection, the four posts 65 are formed integrally with the base plate 64 of an insulating material.
  • a box-shaped cover 66 open at the top and having a receiving chamber 66a also open at the top for electrical terminal and connecting membersand electrical leads is supported. on the four posts 65.
  • the cover 66 engages by locking members 67 in the member 65 and is detachably secured thereto; the hook shaped locking members 67 of the cover 66 engage longitudinally in the cover and hook in recesses 65a in the posts 65.
  • the cover 66 is made of an insulating material (plastics) in one piecewith the locking member. 67 and has openings 63 for the electrical lead 62.
  • the connecting body 10 has acubic shape and is a feeding point.
  • the lower surface of the cube is plain and closed and the upper surface is also closed with the exception of the opening 63 for the leads. It provides the receiving space 66a, whilst the four side surfaces form the insertion openings 13 for the bridging body 11, each side surfacebeing formed by parts of two posts 65 and between the posts 65 the insertion opening 13 limited by the cover 66 and the base plate 64.
  • a central, upright centering pin 68 forming-a workpiece with a base plate 64 rises from the said plate 64.
  • the contact members 17,19 and the spacers 31 are positioned around the contact members 17,19; the centering pin 68 have a unilateral centering rib 68 over which the centering groove 58 of the parts 17,19,31 engages as determined by the position of the contacts 17,19.
  • the height of the connecting body 10 corresponds to the height or depth of the rail, and of basic shape corresponding to the free space formed by the abutting rails 12.
  • the connecting body may be inserted from the open side of the rail into the free space formed by the rails 12, and is retained in position by the bridging bodies 11, then drawn partly out of the rails 12 and inserted into the openings 13 of the connecting body 10.
  • the leads projecting out of the top of the connecting body 10 may be connected to the main supply voltage directly or by way of other leads so that the rails 12 may receive voltage from the feed cube 10.
  • the feeding points may be located at the desired rail abutting points (nodes) in a current distributor network or grid with parallel or crosswise rails 12.
  • the electrical leads 62 of the connecting body 10 are connected to the network and at the points where no supply of current is necessary, the leads 62 can be accommodated in the space 66a without any electrical effect or detached by being severed from the connecting body 10.
  • a connecting device particularly constructed for electrically connecting together electrical current distributor rails of the type having a generally U-shaped cross section and carrying in insulated relative relation a plurality of current conductors and at least one pro-v tective conductor, said connecting device comprising a connecting body adapted for positioning between adjacent ends of a plurality of current distributor rails, a plurality of sockets in said connecting body, said connecting body having therein in insulated relation a plurality of connecting contacts and a plurality of protective contacts opening into said sockets; and a bridging body for each current distributor rail, each bridging body having a first plug connection detachably received in one of said connecting body sockets and a second plug connection for detachable reception in an end of an associated one of said current distributor rails, each of said bridging bodies having a plurality of separate contact bridges each having means for connection to one of said current conductors of an associated current distributor rail and a respective one of said connecting contacts of said connecting body, each of said bridging bodies further having a protective contact bridge for
  • a connecting device particularly constructed for electrically connecting together electrical current distributor rails of the type having a generally U-shaped cross section and carrying in insulated relative relation a plurality of current conductors and at least one protective conductor, said connecting device comprising a connecting body adapted for positioning between adjacent ends of a plurality of current distributor rails, a plurality of sockets'in said connecting body, said connecting body having therein in insulated relation a plurality of connecting contacts and a plurality of protective contacts opening into said sockets; and a bridging body for each current distributor rail, each bridging body having a first plug connection detachably received in one of said connecting body sockets and a second plug connection for detachable reception in an end of an associated one of said current distributor rails, each of said bridging bodies having a plurality of separate contact bridges each having means for con-- nection to one of said current conductors of an associated current distributor rail and a respective one of said connecting contacts of said connecting body, each of said bridging bodies further having; a protective contact bridge
  • a connecting device particularly constructed for electrically connecting together electrical current dis tributor rails of the type having a generally U-shaped cross section and carrying in insulated relative relation a plurality of current conductors and at least one pro tective conductor, said connecting device comprising a connecting body adapted for positioning between adjacent ends of a plurality of current distributor rails, a plurality of sockets in said connecting body, said connecting bodyhaving therein in insulated relation a plurality of connecting contacts and a plurality of protective contacts opening into said sockets; and a bridging bodyfor each'currentdistributor rail, each bridging body having a first plug connection detachably received in one of said connecting body sockets and a second plugco'nnection for detachable reception in an endof an, associated one of saidcurrent distributor rails, each of said bridging bodies having a plurality of separate contact bridges each having means for connection to one of saidcurrent conductors of an associated current distributor rail and a respective one of said connecting contacts of said connecting body, each
  • each said connecting contact having a contact bearing plate and four contact tabs with imaginary tab extensions crossing at a common point, said crossing point being located in a corner of said contact bearing plate, two adjacent ones of said contact tabs extending outwardly at a right angle to each other located on the inner sides of the angle of two adjacent ones of said sockets, and two other contact tabs extending outwardly also at a right angle to each other located on the outsides of the angle of two other two adjacent ones of said sockets, the contact bearing plate of said connecting contact being provided in a free corner between two adjacent tabs with a fixing surface which cooperates with a fixing surfaceof said connecting body for correct positioning of said contact, said fixing surfaces for all connecting contacts being arranged diagonally and alternately opposite to each other in said connecting body.
  • a connecting device particularly constructed for electrically connecting together electrical current distributor rails of the type having a generally U-shaped cross, section and carrying in insulated relative relation a plurality of current conductors and at least one protective conductor, said connecting device comprising a connecting body adapted for positioning between adjacent ends of a plurality of current distributor rails, a pluralityof socketsin said connecting body, said connecting body havingtherein in insulated relation a plurality of connecting contacts and a plurality of protectivecontacts opening into said sockets; and a bridging body foreach current distributor rail, each bridging body ,having a first plug connection detachably re- .ceivedin one of said connecting body sockets and a second plug connection for detachable reception in an end .of an associated one of said current distributor rails, e ach of said bridging bodies having a plurality of separate contact bridges each having means for contive protective contact of said connecting body; the respective positions of the protective conductor, protective contact bridge'and protective contact on the one hand and the current
  • a connecting device particularly constructed for electrically connecting together electrical current distributor rails of the type having a generally U-shaped cross section and carrying in insulated relative relation a plurality of current conductors and at least one protective conductor, said connecting device comprising a connecting body adapted for positioning between adjacent ends of a plurality of current distributor rails, a plurality of sockets in said connecting body, said connecting body having therein in insulated relation a plurality of connecting contacts and a plurality of protective contacts opening into said sockets; and a bridging body for each current distributor rail, each bridging body having a first plug connection detachably received in one of said connecting body sockets and a second plug connection for detachable reception in an end of an associated one of said current distributor rails, each of said bridging bodies having a plurality of separate contact bridges each having means for connection to one of said current conductors of an associated current distributor rail and a respective one of said connecting contacts of said connecting body, each of said bridging bodies further having a protective contact bridge for connection to the protective conduct
  • each connecting contact includes a bearing plate, insulation spacers mounting individual connecting contacts in vertical spaced relationship, holding means for securely holding said connecting contacts in said connecting body against axial displacement about a common bearing axis, and an angular opening defined in each said contact bearing plate for said holding means.
  • each socket having a removable insertion member in the form ofa box-shaped plastics part, the bottom of which when in use is flush with the outside of said connecting body with a locking projecting on a wall thereof engaging in a bottom locking recess in said connecting body and, an insertion opening for an unlocking tool insulated from said electrical contacts.
  • a connecting device as recited in claim 10 including an eyelet-like extension provided on said cover, said extension defining a threaded bore extending transversely to the longitudinal direction of a rail and on the end of the bridging body remote from said connecting body, and a fixing screw in said bore, said screw effecting a detachable locking connection between said bridging body and a distributor rail and pressing against said rail with a clamping effect.
  • a connecting device particularly constructed for electrically connecting together electrical current distributor rails of the type having a generally U-shaped cross section and carrying in insulated relative relation a plurality of current conductors and at least one protective conductor, said connecting device comprising a connecting body adapted for positioning between adjacent ends of a plurality of current distributor rails, a plurality of sockets in said connecting body, said connecting body having therein in insulated relation a plurality of connecting contacts and a plurality of protective contacts opening into said sockets; and a bridging body for each current distributor rail, each bridging 19 body having a first plug connection detachably received in one of said connecting body sockets and a second plug connection for detachable reception in an end of an associated one of said current distributor rails, each of said bridging bodies having a plurality of separate contact bridges each having means for connection to one of said current conductors of an associated current distributor rail and a respective one of said connecting contacts of said connecting body, each of said bridging bodies further having a protective contact bridge for connection to the protective
  • said protective connecting contact of said connecting body is a plane metal plate having eight contact tabs of which two extend as a pair of tabs in parallel and engage in a common socket and in which opposing inner sides of each pair of tabs form contact surfaces for sliding contacts of said contact bridges, and in which all four pairs of tabs lie in one plane but are directed at right angles to each other.
  • said four superimposed connecting contacts include two first metal plates located with their contact tabs in a common plane and two second metal plates provided with the-contact tabs bent into a second plane, a connecting contact of said first metal plates and a connecting contact of said second metal plates being arranged one above the other, and a connecting contact of the two co-operating contacts turned through 180 about a diagonal axis extending between two adjacent contact tabs and through a fixing groove'in said connecting body.
  • each current-conducting contact bridge of said bridging body is held on its own insulating body and two said insulating bodies opposed to each other at a common level are held by means of a compression spring and urged outwardly thereby, and each insulating body is secured in position and pivotable within a certain range by an arcuate contact surface about an extension of said bridging body provided on a cover of said bridging body and having a circular cross-section.
  • each current-conducting contact bridge of said bridging body is a metal strip having a rectangular cross-section with its larger cross-sectional dimension on edge and extending parallel to a side wall of said bridging body and at one end has a contact plate bent at an angle to the plane of said strip and in contact with a currentconductor and at the other end has a sliding contact formed by a bend within the plane of said strip and in contact with one of said tabs, each sliding contact being accessible by a lateral and from opening defined in said bridging body.
  • a connecting device particularly constructed for electrically connecting together electrical current distributor rails of the type having a generally U-shaped cross section and carrying in insulated relative relation a plurality of current conductors and at least .one protective conductor, said connecting device comprising a connecting body adapted for positioning between adjacent ends of a plurality of current distributor rails. a plurality of sockets in said connecting body.
  • each of said bridging bodies having a first plug connection detachably received in one of said connecting body sockets and a second plug connection for detachable reception in an end of an associated one of said current distributor rails, each of said bridging bodies having a plurality of separate contact bridges each having means for connection to one of said current conductors of an associated current distributor rail and a respective one ofsaid connecting contacts of said connecting body, each of said bridging bodies further having a protective contact bridge for connection to the protective conductor of the respective current distributor rail and the respective protective contact of said connecting body; the respective positions of the protective conductor, protective contact bridge and protective contact on the one hand and the current conductors, connecting contacts and contact bridges on the other hand being such that in the assembly of said connecting device with one of said current distributor rails through the use of one of said bridging bodies a protective connection is made in

Landscapes

  • Installation Of Bus-Bars (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
US344207A 1972-04-01 1973-03-23 Connecting device for current distributor rails Expired - Lifetime US3871730A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2216085A DE2216085A1 (de) 1972-04-01 1972-04-01 Verbindungsvorrichtung fuer stromverteilerschienen
DE19737306545 DE7306545U (de) 1973-02-21 1973-02-21 Verbindungskorper fur Stromver teilerschienen

Publications (1)

Publication Number Publication Date
US3871730A true US3871730A (en) 1975-03-18

Family

ID=25763014

Family Applications (1)

Application Number Title Priority Date Filing Date
US344207A Expired - Lifetime US3871730A (en) 1972-04-01 1973-03-23 Connecting device for current distributor rails

Country Status (6)

Country Link
US (1) US3871730A (enrdf_load_stackoverflow)
JP (1) JPS4914993A (enrdf_load_stackoverflow)
DE (1) DE2216085A1 (enrdf_load_stackoverflow)
FR (1) FR2178916B1 (enrdf_load_stackoverflow)
GB (1) GB1421437A (enrdf_load_stackoverflow)
SE (1) SE380145B (enrdf_load_stackoverflow)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039371A (en) * 1975-09-18 1977-08-02 International Business Machines Corporation Etchant for polyimides
US4053194A (en) * 1976-05-03 1977-10-11 Kidde Consumer Durables Corporation Electrical junction assembly
US4087147A (en) * 1976-12-23 1978-05-02 Keene Corporation Track lighting system connector
US4089578A (en) * 1976-04-01 1978-05-16 Oy Nokia Ab Angle piece for a contact rail
US4099817A (en) * 1977-01-27 1978-07-11 Donald J. Booty Track lighting
US4256357A (en) * 1978-04-14 1981-03-17 Lita Set of connecting accessories for an electrical supply rail with an asymmetrical profile
US4671585A (en) * 1986-06-16 1987-06-09 National Service Industries Luminaire adaptor assembly
USD292396S (en) 1984-06-26 1987-10-20 Ega Limited Adaptor for a wire channel
USD294689S (en) 1984-06-26 1988-03-15 Ega Limited Adaptor for a wire channel
US5096429A (en) * 1990-04-02 1992-03-17 Dil S.R.L. System for building up exposed double-voltage electrified lines for supporting user appliances, particularly lighting lamps for internal environments
US5554039A (en) * 1995-09-29 1996-09-10 Siemens Electric Limited Quick plug connector for electric distribution system(s)
FR2760908A1 (fr) * 1997-03-12 1998-09-18 Loh Kg Rittal Werk Dispositif d'assemblage pour assembler des barres omnibus d'un jeu de barres
US6296498B1 (en) * 2000-01-25 2001-10-02 Universal Electric Corporation Busbar connector for plug-in busways
US20080214032A1 (en) * 2007-03-01 2008-09-04 Schunk Kohlenstofftechnik Gmbh Contact element
US7758358B1 (en) * 2008-05-05 2010-07-20 Koninklijke Philips Electronics N.V. Track lighting assembly
WO2013026430A1 (de) * 2011-08-23 2013-02-28 Harting Electronics Gmbh & Co. Kg Verbindungselement für elektrische steckverbinder
JP2013045631A (ja) * 2011-08-24 2013-03-04 Sumikou Tec Kk 分岐コネクタ
US20140127948A1 (en) * 2012-11-02 2014-05-08 Gwen Beldock Electric Plug System
US20140370730A1 (en) * 2013-06-18 2014-12-18 Michael Flynn Power Assembly for Display
US20150216328A1 (en) * 2014-02-05 2015-08-06 Casco Europe Limited Joint for modular displays
US9178324B2 (en) 2012-11-02 2015-11-03 Belpower Systems Llc Electric plug system
US20200052438A1 (en) * 2018-08-08 2020-02-13 Hyperframe Inc. Framing assembly with modular connectors
CN112636119A (zh) * 2020-12-31 2021-04-09 苏州飞轮科技有限公司 一种电力轨道连接装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5072196A (enrdf_load_stackoverflow) * 1973-10-31 1975-06-14
JPS6028065Y2 (ja) * 1975-10-14 1985-08-24 松下電工株式会社 ダクト接続器
FI58570C (fi) * 1978-12-13 1981-02-10 Nokia Oy Ab Monteringsarrangemang foer kontaktskena
CN115224655B (zh) * 2022-08-09 2023-10-10 鼎圣集团有限公司 一种角度可调的l型加强端脚母线槽

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US2175144A (en) * 1933-07-29 1939-10-03 Pierce John B Foundation Electrical wiring and molding system
US2218545A (en) * 1933-12-27 1940-10-22 Pierce John B Foundation Electricity conductor unit
US3715627A (en) * 1971-05-13 1973-02-06 Ausilio R D Pre-formed electrical wiring system
US3757273A (en) * 1970-06-30 1973-09-04 K Hesse Like adaptor for current collectors for lights electric appliances or the
US3794955A (en) * 1971-10-27 1974-02-26 J Bertrams Connector

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FR1222758A (fr) * 1959-01-22 1960-06-13 Lepaute Henry S Ets Perfectionnements aux dispositifs de connexions électriques
US3605064A (en) * 1968-12-03 1971-09-14 Us Industries Inc Splice box for a power distribution system
DE2123152C3 (de) * 1971-05-11 1973-12-13 Hoffmeister-Leuchten Kg, 5880 Luedenscheid Verbindungsstuck für Stromentnahme schienen mit U fbrmigem Querschnitt der Tragschiene
DE2234435C2 (de) * 1971-08-03 1983-04-28 Staff GmbH & Co KG, 4920 Lemgo Überbrückungsadapter für Stromverteilerschienen

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US2175144A (en) * 1933-07-29 1939-10-03 Pierce John B Foundation Electrical wiring and molding system
US2218545A (en) * 1933-12-27 1940-10-22 Pierce John B Foundation Electricity conductor unit
US3757273A (en) * 1970-06-30 1973-09-04 K Hesse Like adaptor for current collectors for lights electric appliances or the
US3715627A (en) * 1971-05-13 1973-02-06 Ausilio R D Pre-formed electrical wiring system
US3794955A (en) * 1971-10-27 1974-02-26 J Bertrams Connector

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039371A (en) * 1975-09-18 1977-08-02 International Business Machines Corporation Etchant for polyimides
US4089578A (en) * 1976-04-01 1978-05-16 Oy Nokia Ab Angle piece for a contact rail
US4053194A (en) * 1976-05-03 1977-10-11 Kidde Consumer Durables Corporation Electrical junction assembly
US4087147A (en) * 1976-12-23 1978-05-02 Keene Corporation Track lighting system connector
US4099817A (en) * 1977-01-27 1978-07-11 Donald J. Booty Track lighting
US4256357A (en) * 1978-04-14 1981-03-17 Lita Set of connecting accessories for an electrical supply rail with an asymmetrical profile
USD294689S (en) 1984-06-26 1988-03-15 Ega Limited Adaptor for a wire channel
USD292396S (en) 1984-06-26 1987-10-20 Ega Limited Adaptor for a wire channel
US4671585A (en) * 1986-06-16 1987-06-09 National Service Industries Luminaire adaptor assembly
US5096429A (en) * 1990-04-02 1992-03-17 Dil S.R.L. System for building up exposed double-voltage electrified lines for supporting user appliances, particularly lighting lamps for internal environments
US5554039A (en) * 1995-09-29 1996-09-10 Siemens Electric Limited Quick plug connector for electric distribution system(s)
FR2760908A1 (fr) * 1997-03-12 1998-09-18 Loh Kg Rittal Werk Dispositif d'assemblage pour assembler des barres omnibus d'un jeu de barres
US6296498B1 (en) * 2000-01-25 2001-10-02 Universal Electric Corporation Busbar connector for plug-in busways
US20080214032A1 (en) * 2007-03-01 2008-09-04 Schunk Kohlenstofftechnik Gmbh Contact element
US8323039B2 (en) * 2007-03-01 2012-12-04 Schunk Kohlenstofftechnik Gmbh Contact element
US7758358B1 (en) * 2008-05-05 2010-07-20 Koninklijke Philips Electronics N.V. Track lighting assembly
WO2013026430A1 (de) * 2011-08-23 2013-02-28 Harting Electronics Gmbh & Co. Kg Verbindungselement für elektrische steckverbinder
JP2013045631A (ja) * 2011-08-24 2013-03-04 Sumikou Tec Kk 分岐コネクタ
US20140127948A1 (en) * 2012-11-02 2014-05-08 Gwen Beldock Electric Plug System
US9124044B2 (en) * 2012-11-02 2015-09-01 Belpower Systems Llc Electric plug system
US9178324B2 (en) 2012-11-02 2015-11-03 Belpower Systems Llc Electric plug system
US20140370730A1 (en) * 2013-06-18 2014-12-18 Michael Flynn Power Assembly for Display
US9130327B2 (en) * 2013-06-18 2015-09-08 Trinity, Llc Power assembly for display
US20150216328A1 (en) * 2014-02-05 2015-08-06 Casco Europe Limited Joint for modular displays
US20200052438A1 (en) * 2018-08-08 2020-02-13 Hyperframe Inc. Framing assembly with modular connectors
US10665988B2 (en) * 2018-08-08 2020-05-26 Hyperframe Inc. Framing assembly with modular connectors
US10985498B2 (en) * 2018-08-08 2021-04-20 Hyperframe Inc. Framing assembly with modular connectors
CN112636119A (zh) * 2020-12-31 2021-04-09 苏州飞轮科技有限公司 一种电力轨道连接装置

Also Published As

Publication number Publication date
DE2216085A1 (de) 1973-10-11
JPS4914993A (enrdf_load_stackoverflow) 1974-02-08
FR2178916B1 (enrdf_load_stackoverflow) 1977-04-29
FR2178916A1 (enrdf_load_stackoverflow) 1973-11-16
GB1421437A (en) 1976-01-21
SE380145B (enrdf_load_stackoverflow) 1975-10-27

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