Abstract: The invention relates to a telescopic arm (1), in particular, for a current collector system for a vehicle which can be driven along a power rail arrangement, wherein the telescopic arm (1) can be extended and/or retracted by means of an adjustment drive (7, 8, 9, 10) and the telescopic arm (1) has a base unit (2) which can be attached to the vehicle, on which a first telescopic stage (3) is arranged displaceably in a direction (RT), in particular, horizontally, and a second telescopic stage (4) is arranged displaceably on the first telescopic stage (3) in the same direction (RT), wherein the adjustment drive (7, 8, 9, 10) is arranged on the first telescopic stage (3), characterized in that the adjustment drive (7, 8, 9, 10) interacts with a rigid chain (S), which is connected with its one end (Sa) to the base unit (2) and with its other end (Sb) to the second telescopic stage (4).

Abstract: The invention relates to a current collector system (1) for a vehicle (F) which can be moved in a longitudinal direction along a power rail arrangement (S) having at least one current collector trolley (3) and current collector contacts (5) arranged on this, which current collector contacts can be connected to the power rails (ST) of the power rail arrangement (S) and a telescopic arm (2) which can be fixed or is fixed to a vehicle (F), which telescopic arm can be extended and/or retracted by means of an adjustment drive, characterised in that the adjustment drive has at least one rigid chain arrangement (9) which is driven by at least a first rigid chain drive (8).

Abstract: The invention relates to a positioning zone (EB) for a travel path (1), wherein the travel path (1) has at least one guide rail (2, 3) and the guide rail (2, 3) is used to guide a current collector trolley (11), provided with current collector contacts (12), of a current collector system (10) arranged on a vehicle which can move along the travel path (1), and the travel path (1) has at least one travel path conductor bar (5), wherein the current collector trolley (11) can be moved horizontally and vertically to the travel path (1) in the positioning zone (EB) by a positioning device of the current collector system (10), characterized in that at least one further conductor bar (5?) is arranged in the region of the positioning zone (EB) or at least one travel path conductor bar (5) extends and/or is extended into the positioning zone (EB) beyond at least one guide rail (2, 3) of the travel path (1).

Abstract: A conductor rail connector to connect the ends of two conductor rails may have first and second connection elements able to be connected to the conductor rail ends using at least one screw element supported on one side on a first side of a conductor rail end and supported on the other side on the first connection element.

Abstract: A device for contactless energy transmission may include series resonant circuits on primary and secondary winding sides, which may each include at least one coil and at least two capacitors. The series resonant circuit on the primary winding side may be connected to an upstream circuit, and the series resonant circuit on the secondary side may be connected to a downstream circuit. One or both coils may be coupled to fault-recognition resistors.

Abstract: The invention relates to a secondary-side coil arrangement for an inductive energy transmission system for transmitting energy between a primary-side and a secondary-side coil arrangement (A1, A2), characterised in that the secondary-side coil arrangement (A1) has coils (SS1, SS2, SS3, SS4) which form four coil regions (BES1, BES2, BES3, BES4) of the coil arrangement (A1) which are arranged beside each other in a plane, wherein each coil (SS1, SS2, SS3, SS4) forms an oscillating circuit (RESS) together with at least one capacitor (CS1-4).

Abstract: The invention relates to an inductive energy transfer system, having at least one primary coil (Sp1) and at least one secondary coil (Sp2), which are coupled or able to be coupled with one another magnetically and which form a primary-side and a secondary-side resonant circuit (Repri, Resek) having at least one capacitance (C1, C2) respectively, characterised in that a primary-side inverter (15) generates a pulsed voltage (UW), in particular a pulsed square wave voltage, from a unipolar primary voltage (|UN|) or a DC voltage (UG) and supplies the primary-side resonant circuit (Repri), wherein the primary-side inverter (15) is pulsed or adjusted or the pulse of the voltage, in particular square wave voltage, generated by the primary-side inverter (15), is selected or adjusted in such a way that a secondary AC voltage (Ui) induced in the secondary-side resonant circuit (Resek) and having a carrier frequency (fT) results, wherein the amplitude of the secondary AC voltage (Ui) oscillates at mains frequency (f0),

Abstract: The invention relates to an inductive energy transmission system for the transfer of electrical energy between a base station and a movable consumer, in particular a vehicle, the energy transmission system being able to transfer electrical energy from a base station to the consumer and/or from the consumer to the base station, said energy transmission system comprising at least one primary-side flat coil (Sp), arranged in the base station, and a flat coil (Ss) arranged on the secondary side in the consumer, having a plurality of turns (3, 4) in each case, the turns (3, 4) being arranged concentrically or spirally around a centre (M), characterised in that there is a relative spacing (d1) at least between some adjacent turns (13) of a primary-side flat coil (Sp), and the distance (9, 10) between the turn arranged closest to the centre (M) and the turn arranged furthest from the centre (M) in the primary-side coil (Sp) is greater than in a secondary-side coil (Ss).

Abstract: The invention relates to an inductive contactless energy and data transmission system (1) having a primary-side coil arrangement and a secondary-side coil arrangement, the primary-side coil arrangement and secondary-side coil arrangement each having at least one coil (3, 7) for energy transmission and at least one coil (4, 6) for data transmission, characterised in that the primary-side and secondary-side coils for energy transmission are in the form of coils (3, 7) which each have a single winding direction, and in that the coils (4, 6) for data transmission are coil arrangements which each have at least two coil fields (4a, 4b, 4c, 4d).

Abstract: The invention relates to a current collector system for fastening to a vehicle, I particular a container stacker crane, wherein the vehicle can be moved along in a line (T), and at least one busbar (S) is arranged on the line (T), wherein the current collector system has a collector trolley (W) having at least one busbar (AB), and the at least one current collector (AB) can be brought in contact with a busbar (S), wherein the collector trolley (W) of the current collector system is mounted to be freely displaceable vertically, in particular by means of at least one guide (F).

Abstract: A connector for connecting two conductor rail sections, the connector having an electrical conductor that is fastened at each end to the conductor rails. A central region of the conductor is fastened to a connection element. The connection element is slidingly connected to both of the two conductor rails. The electrical conductor has two flexible, undulating portions. These are located between the central region of the electrical conductor and each of its two, attached ends, and serve to compensate for the expansion and contraction of the two conductor rails with changes in temperature.

Abstract: The invention relates to a conductor rail for supplying power to current consumers. The inventive conductor rail is comprised of a base body (1) and of a slide surface (2a) which is connected to the base body (1) and which is made of an especially wear-resistant material. Connecting elements (5) extending over the length of the slide surface (2) are provided on the side of the part (2) which forms the slide surface (2a); said side pointing toward the base body (1). Each connecting element (5) together with an elongated narrow side (2b) of the slide surface part (2), forms a recess (3). The recess is at least partially filled with the material (6) of the base body (1).

Abstract: A receptacle in the form of a clip for busbar holders that are made of plastic. The holder consists of a mounting plate that has margins which are inwardly recessed and project beyond their wider sides along its longitudinal edges. Each clip extends out of a web that fits under the recessed margins. The holders can be suspended and have parallel busbars. The ends of the webs, which constitute a component of the clips, are trimmed narrower. The webs are twice as long as the clips and have an extension that fits under the recessed margins of the mounting plate. The clips are cast onto one end of the webs with allowance left for the extension. The side of the webs that faces away from the clips has a positioning pin that extends into apertures provided for that purpose in the mounting plate.

Abstract: A trackless, center-pivot underground vehicle is described, which has a tractor section, which is driven by an electric motor, which is powered via a sliding contact line, a current collector device, which is movable along the contact line line, and a supply cable, which is electrically and mechanically connected to the current collector device and adapted to be unwound from a reel against a restoring force. An improved mobility of the vehicle and a large width range throughout the range of travel are ensured by the combination of the following features:a. the supply cable is connected to the current collector device by a slip ring member, which is rotatable about a vertical axle;b. a helically winding cable reel is mounted on the tractor section and rotatable about a vertical axle, which is provided with a slip ring member;c. a guide arm is coaxially arranged with respect to the cable reel and adapted to be pivotally movable by hydraulic means; andd.

Abstract: An elongated rail conductor has a rail formed with a groove for a current take-off, and a synthetic plastic housing which surrounds the rail but leaves access to the groove. The edge faces bounding the groove are inwardly offset from the corresponding edges of the casing, so that the moving current take-off cannot contact and wear the edges of the casing.