Abstract: This connection unit for telecommunication lines comprises a sequence of insulating connection boxes and protection boxes alternating side by side on a pair of common transverse supports. Each connection box comprises at least two rows of connection elements with one row disposed along one side of the box and oriented in the direction of the common supports and the other row disposed along the side opposite the first side. Each protection box supports aligned lightning arresters. The means interconnecting each connection box and the protection box associated therewith are provided in the vicinity of one of the two opposite sides of the connection box, and in the vicinity of the registering side of the protection box. The individual means for positioning and securing the connection boxes and the protection boxes on their common supports are identical, whereby it is possible to replace a protection box with a connection box.

Abstract: A self-stripping electrical connector has a grounded bar formed with at least one threaded bore, a dielectric lower support part secured to the bar over the bore and formed with two adjacent outwardly open lower guide passages, a pair of electrically conductive and generally parallel lower tubes having lower ends formed with slots aligned with the respective lower passages and upper ends also formed with slots, and respective guides on the lower support part carrying the tubes for movement toward and away from the bar with the lower-end slots aligned with the respective lower passages. A dielectric upper support part overlies the lower part and is formed with two adjacent outwardly open upper guide passages aligned with the upper-end slots of the respective tubes.

Abstract: This programmer comprises programme-cams corresponding to a plurality of programmes having clearly separate starting points disposed at angular intervals from one another. It further comprises a control element adapted to be rotated manually for selecting the initial position of one of the programmes. This element comprises lateral pins adapted to engage corresponding orifices formed in a coaxial registering control cam. On the opposite side of this cam a disc rigid with the programme-cams is provided; this disc is rigid with the programme-cams but spaced therefrom. The disc comprises ramp means cooperating with bearing faces formed in the control cam. Spring means interconnect the disc and the control cam in diagonal directions.

Abstract: A connection device, in particular for telecommunication lines, comprises a casing consisting of two substantially identical parts, each comprising, on their open assembly side, a plurality of projecting parts and recessed parts in the form of castellations. The dimensions of the castellations are such that they are able to penetrate one in the other. A passage is contained in each projection of one part of the casing and in the corresponding recess in the other part of the casing. Each passage contains two conductor elements arranged in facing relationship. The elements have split end parts arranged on opposite sides of the casing, into which electrical connections can be made.

Abstract: A connection device includes a tubular connection member supported by an individual insulating support. The tubular connection member has a second end with dimensions so that it is able to receive the first end of another tubular connection member. A slot is formed in the second end and a slot is formed in the first end. The slots are adapted to receive a cable. The two tubular members are housed inside two half-sockets and an intermediate half-socket. The three half-sockets are housed in a common insulating case. The second tubular connection member may have a second slot formed in its second end which can grip another cable.

Abstract: The invention relates to a connecting element consisting of a plate whose faces operate on either side of at least one automatically stripping connecting plug, in conjunction with an electrical conductor, in order to ensure the connection of the latter into the said plug. The plate consists of two faces through which two passages are provided, of sufficient dimensions to allow the conductor to pass through. These passages have two opposite edges arranged in the direction in which the plate is pushed in. The first edge is directed towards the free ends of the faces, in order to work in conjunction with the conductor when the latter is connected. The second edge which is opposite is provided in order to ensure the disconnection of the said conductor out of the plug, when the plate is withdrawn in the direction 18. An element of this kind can be used especially for connecting and disconnecting wires of telecommunication lines, on distributors or subdistributors.

Abstract: This device for controlling the operation of a bidirectional DC motor comprises a pair of double-throw control reversing switches and a pair of ON-OFF switches, a solenoid-operated brake associated with the motor shaft, and two pairs of unidirectional elements consisting of diodes. The cathode or anode of each diode is connected directly to the common terminal of each control reversing switch associated therewith and the brake solenoid is connected in parallel with the motor induction windings. The terminals of the brake solenoid are disposed between the motor windings and one of the ON-OFF switches so that the brake is applied as long as its solenoid is deenergized.

Abstract: This control device for electric motor-reduction units comprises two cams rotating at different speeds about a common shaft, each cam having only one notch formed in its outer periphery, the cam notches being adapted to cooperate with catch-forming portions of a rocker controlling the motor switch. The first cam is rigid and coaxial with a toothed wheel meshing with a driving toothed pinion pivoted on a shaft parallel to the cam shaft, and comprises two drive teeth adapted, during each revolution, to mesh with a reversing pinion pivoted to the driving pinion shaft and rigid with another pinion meshing with a second toothed wheel rigid with the second cam.

Abstract: This control device for electric motor-reduction unit intended for driving rolling shutters, roller-blinds or the like, and permitting an accidental overstepping of the electrical stop point without causing any damage in, or putting out of order, the control device, comprises a cam having a notch formed in its contour, adapted to be engaged by a follower portion of a lever so as to open a switch controlling the supply of drive current to the motor-reduction unit. The notch has a rear portion inclined laterally and rearwardly which opens into an extension of the cam contour which is level with the bottom of the notch, or located at a lower level than this bottom. When the cam rotating in a given direction oversteps the normal electrical stop point the inclined portion moves the follower laterally and the lever is moved laterally along its pivot axis against the force of spring means, but held at the same level.

Abstract: A protection module for connecting blocks is intended notably for at least one line wire of a telephone system and comprises a case having a ground terminal, an input terminal and an output terminal for each line wire, and a first lightning arrester having a first terminal connected to the ground terminal and a second terminal clamped resiliently between two extensions of the line terminals, respectively. Another lightening arrester has a first terminal connected to the ground terminal and a second terminal clamped resiliently between two extensions of the other pair of line wire terminals. An orifice registering with a third pair of terminals parallel to the other pair of line wire terminals is adapted to guide a detachable element which comprises an insulating portion adapted to be fitted between the terminals of the third pair of the lightning arresters and each extension of the pair of output terminals.

Abstract: A connecting member, notably for telephone systems, comprises a first thinner portion made of a single thickness of a flat unitary conducting element acting only as a conducting portion, and a second, relatively rigid portion comprising four times the thickness of the flat element by being bent flat three times accordion-like for constituting the connecting terminal. A third portion being also provided which comprises two thicknesses of the flat element. A fourth portion disposed between the first and third portions consists of an extension of two intermediate portions constituting the terminal adjacent a terminal disposed symmetrically thereto. The third and fourth portions are curved and each is adapted to cooperate resiliently with another connecting member, notably terminal strips, distributing strips and cable heads.

Abstract: A connecting block for telephone systems comprises insulating supports carrying input and output terminals for connecting the wires of the telephone lines. It comprises a case provided with guides cooperating with ribs formed on insulating plates. Each insulating plate carries on its inner face one input terminal and one output terminal. Each input terminal has an extension which, in the inoperative condition, contacts an extension of the corresponding output terminal. Channels are formed on the plate for facilitating the insertion of the wires having their ends connected to the input terminals, the same applying to the output terminals.

Abstract: This telephone exchange distributor accessible from only one face, namely the front face, comprises vertical rows of connecting blocks and horizontal rows of distribution strips. Between every other or every adjacent pairs of connecting blocks an interval is left for a horizontal row of strips, and the plurality of horizontal rows of strips constitute the front face of the distributor. The rows of blocks are disposed between the rows of strips and parallel thereto. The wiring is facilitated by the provision of guideways for the jumpers, which extend vertically behind hooks and horizontally and longitudinally on the top face of brackets rigid with vertical frame members supporting the blocks. The brackets extends forward and carry at their front end the strips, and the jumpers extend also horizontally under other hooks.

Abstract: A rolling screen arrangement such as a window blind, a rolling garage door or a projection screen comprises a tensioning device applying a progressively increasing tension on the flexible rolling element as it unwinds.

Abstract: A distributor, notably for use in a sprinkling or like system, for causing a liquid to flow successively through a first orifice, then through a second orifice, but only after a predetermined quantity of liquid has passed through the first orifice. This distributor comprises a volumetric metering device comprising a piston movable in a first direction under the influence of the liquid pressure from the inlet orifice to a first orifice via an open valve, a chamber and a passage. A piston comprises a rod provided with a push member capable of moving a control member in the first direction, this control member being then driven for rotation by a driving member coupled kinematically to a turbine. Simultaneously, the driving body closes the valve and after a predetermined rotation of the control member the cavity thereof registers with the push member and the rod can move freely in the first direction and close the first outlet orifice while opening the second outlet orifice.

Abstract: This connecting unit for dispatchers systems comprises means for connecting a predetermined number of line wires.It comprises stacked pairs of insulating supports 1, 2 kept in spaced relationship to each other by means of ribs extending from one face of a support, in each pair. The face 1' of insulating support 1 carries for example a conductor 11 of which a first end constitutes an input E1 and the second end is bent at Eb1. Similarly, the face 2' of insulating support 2 carries a corresponding conductor 21 of which a first end constitutes an output S 1 and a second end is welded at Sb 1 in front of Eb1. The bent end Eb1, in the inoperative position, bears against a portion 43 of a ground circuit 40. A module may be plugged in between the insulating supports 1 and 2 for co-operating with Eb1, Sb1 and portion 43. It may also co-operate with contact blades 42 and 51 connected to ground and signal circuits, respectively, provided on the insulating supports 1 and 2.

Abstract: This system for controlling the operation of several electric motors notably for blinds and similar devices comprises a plurality of decentralized control devices each associated with one motor and controlled from a central control means via a common control line. Each decentralized control device comprises, for each direction of rotation of the motor concerned, a relay and, for each motor, control means connected in parallel to the common control line. The control means for each relay comprise a switch connecting the common line to the middle point of the pair of inverters controlling the two directions of rotation of the motor. The front contact of each inverter controls the energization of the corresponding relay and the back contact of each inverter controls the self-energization of the relay of the other inverter via a self-energization contact provided on the other relay.

Abstract: A program selector of an electronic programmer, e.g. of a washing machine, in which programs are stored in an integrated circuit store or memory, comprises two manual control switches and two display devices. One switch cooperates with selection circuitry cooperating with a numeric display device to increment a displayed number corresponding to a program number when the first switch is closed or to hold a selected program number displayed when the first switch is open. The second switch enables starting of a stored program corresponding to a displayed program number, the phases of the program carried out being displayed by a symbolic display device.

Abstract: A reversible electric motor has a torque limiting stop device actuable to stop the motor by angular displacement of the motor casing when an opposing torque on the motor shaft exceeds a threshold value. Complementary profiles are arranged to hold the motor casing in its displaced position so that the motor can only be re-started in the opposite direction to before.

Abstract: A self-stripping electrical connector has a grounded bar formed with at least one threaded bore, a dielectric lower support part secured to the bar over the bore and formed with two adjacent outwardly open lower guide passages, a pair of electrically conductive and generally parallel lower tubes having lower ends formed with slots aligned with the respective lower passages and upper ends also formed with slots, and respective guides on the lower support part carrying the tubes for movement toward and away from the bar with the lower-end slots aligned with the respective lower passages. A dielectric upper support part overlies the lower part and is formed with two adjacent outwardly open upper guide passages aligned with the upper-end slots of the respective tubes.