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
  • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
  • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
  • H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
• • 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
  • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
  • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
  • H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
  • H01R13/635—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only by mechanical pressure, e.g. spring force

Definitions

• the invention relates to an electrical power outlet with or without earthing, simple or double, fixed or multiple, mobile or adapting with one, two or more connecting posts with extractor and platform for type "C", type ⁇ " or type "F” plug, according to the international classification of the low-voltage electrical equipments, each post having two bilamellar or unilamellar extractors placed in a face-to-face arrangement.
• the plug extraction from the receiving enclosure requires a relatively high effort, due to the deformation of the outline of the front surface of the plug following contacts thereof with the active surfaces of the lamellas, and in time this deformation becomes remanent, there also taking place a relative increase of the extraction time;
• C electrical power outlets with extractor for a plug
• a plug which consist of a socket, wherein some electrical contact lamellas are mounted, and of a cover, respectively, said cover covering both a box having the socket arranged therein and the socket as well, the cover being provided with a tall cylindrical wall, which delimits, together with a lower wall, a receiving enclosure, in the lower wall there being machined two through holes, for inserting/taking out some terminals of the plug therethrough, as well as a cutout in communication with a window, provided in a middle wall, located to the outer side of the tall wall, which delimits it on a portion, the cutout being delimited to the lower side, partially, by a hollow portion of the middle wall, which has an outer threshold, in front of the portion in the tall wall which delimits the window, in the body there being provided two guides closed to the upper side, through which, in the window there is positioned an extractor having in its turn two fins, which penetrate into the guides, limiting the upward exit of the extract
• each post with extractor being constituted of some semi-bodies, namely some semi-bodies hollow to the lower side and some semi-bodies hollow to the upper side, respectively, which assembled together form a main body, the lower one being provided to the inner side, with some long thin pads located on one side of a long threshold, having some pairs of prominences profiled at the upper side, as well as some short thick pads located to the other side of the threshold, in this mentioned last side there being also provided some pairs of short thin pads making one piece with the threshold and having the same height as the short thick pads, and the upper semi-body being provided with some main receiving enclosures, delimited by a cylindrical wall that has some equally spaced apart lower stoppers, each cylindrical wall being partly surrounded by a portion of the same geometrical shape, which belongs to a tall profiled wall that delimits a secondary receiving enclosure, between two tall profiled walls there being placed a tall support provided with two
• E electrical power outlets consisting of a socket and of a body, respectively, in said body there is provided a receiving enclosure delimited by a lower wall, wherein there are machined four through holes, of which, through two holes two terminals of a plug penetrate into the socket when the plug is introduced into the receiving enclosure and through the other holes there penetrate an earthing terminal mounted in the socket and a cylindrical hollow pin, respectively, for positioning the plug in relation to the socket, the pin having a same length as the lengths of the plug terminals, belonging to a thin disc made of a plastic material, having the shape of the inner surface of the plug to which it is attached, and for securing the disc to the lower surface of the plug with the pin placed outwards, on the surface thereof there is secured a relatively thick double sticker material having the consistency of a sponge, which has four equally spaced apart arms and positioned so that the plug terminals and the hole machined therein remain free - LEGRAND 050299 Detrompeur pour fische, d HYPERLINK "http://
• E electrical power outlets consisting of a socket wherein there are mounted two pairs of electrical contact lamellas and an earthing terminal, and a children protection, respectively, said socket being provided with a long central recess, open to the upper side, delimited by a cylindrical wall wherein there are machined two diametrically opposed channels, which are in communication with the recess, within the latter there being positioned a hollow elongate guide, open to the lower side, having two diametrically opposed ribs to the outer side, with different thicknesses of a thin disc, inside the guide there being placed an elongate pin having to the outer side two diametrically opposed ribs of different thicknesses, that penetrate into the guide ribs when the pin is introduced therein, the pin fixation in the guide being made by means of two diametrically opposed resilient fins, the pin forming one piece with the disc that has a circular contour, wherein there are machined three through holes penetrated by the plug terminals and when the plug is introduced into a receiving
• the partial technical problems solved by the claimed platform and the electrical power outlet consist in eliminating the different behaviours of various materials a plug is made up at the contact thereof with one and, particularly two extractors mounted in a power outlet, and in optimizing the values of the applied force and of the time of introducing/extracting the plug in contact with a platform into/from a receiving enclosure of the power outlet with one and particularly two extractors, in the conditions of simple constructions of the platform and extractors and of a simple and easy mounting thereof into the power outlet, respectively, and of the existence of the possibility of maintaining by the user of a power consumption within the limits of the installed power.
• the power outlet according to the claimed invention solves the technical problems in that in the cylindrical wall of the said cover body there are provided four guiding channels, open towards the said receiving enclosure and closed at the upper side, placed two by two in a face-to-face arrangement, of which in two adjacent channels there is placed a fixed short profiled guide, and in the other two adjacent channels there is placed a mobile short profiled guide, the fixed and mobile guides being placed at the outer side of a flat body and at the outer side of a resilient mobile flat positioning piece, mounted in the flat body, which belongs to a free platform, double- guided laterally, with self-blocking between the two fixed guides and between two mobile guides, respectively, there being placed one of some profiled positioning prominences, in the receiving enclosure there being placed some outline active surfaces, which in the cross-section have the shape of an arc of the circle with a 2-6 mm radius, placed diametrically opposed of the flat body, which, at the lower side, are in contact with some active contact surfaces of some constructively identical semi-rigid lamellas of the said
• the power outlet according to the invention solves the technical problems in that the lower and upper concave portions of the semi-rigid lamellas are in the shape of arc of the circle with the radii equal to one another, with a value of 10...15 mm, and the length of the chord of the lower concave portion is by 15...25% bigger than that of the chord of the upper concave portion, the semi-rigid lamella having some angles " of attack, namely a lower one and an upper one, with values of 9...15°and 17...23°.
• the power outlet according to the invention solves the technical problems also in that in the body of the free platform with self-blocking, double-guided laterally, there is provided a recess, in communication with two "T"-shaped open guiding channels which cooperate with two lateral guides of the mobile resilient piece, which in its turn has two portions, namely an outer flat one and an "S"-shaped inner resilient one, the latter being placed in the recess.
• the power outlet according to the invention solves the technical problems in that around each of some through holes, placed in the middle, diametrically opposed, machined in the body of the free platform with self-blocking, double guided laterally, there are provided some tronconic portions for guiding the plug terminals, having the upper diameter 2...3 times bigger than the diameter of the through holes, surrounded at the upper side by these tronconic portions which have a depth of 1- 2 mm.
• the power outlet according to the invention in another constructive variant, solves the technical problems in that in the thin cylindrical wall of the said cover body, which delimits the said receiving enclosure, there are machined two channels open towards the receiving enclosure and closed at the upper side, placed diametrically opposed, wherein there are disposed some ends of a slideway, guided in its turn in a channel provided in a profiled body of the free platform, guided laterally, with commanded blocking, in the receiving enclosure there being placed the profiled body which is provided with two straight active outline surfaces, arranged diametrically opposed, which are in permanent contact with some active surfaces of a pair of constructively different rigid lamellas and arranged parallel to one another, of each body of the two bilamellar extractors, the lamellas having the active surfaces formed of two differently inclined flat portions, namely an upper long one and a lower short one, and of two portions, namely a concave upper one and a flat horizontal short front one, connected between them, in the body of the cover there being secured four resilient short pieces, each provided
• the power outlet according to the invention solves the technical problems in that in front of each of the outline active straight surfaces of the body of the free platform guided laterally with commanded blocking, there is provided one of some resilient guiding prominences, placed diametrically opposed.
• the power outlet according to the invention solves the technical problems in that a rigid lamella of the cover of the bilamellar extractor has the length of the inclined upper long flat portion by 85...95% bigger than the length of the inclined lower short flat portion, and two dihedral angles of attack, namely a lower one and an upper one, with values of 18...22° and 27...35°, and the other rigid lamella has the flat horizontal short portion with a length of 2...3 mm and a concave upper portion, which in the cross- section has the shape of an arc of the circle with a 25...35 mm radus and the chord length of 10...13 mm.
• the power outlet according to the invention solves the technical problems in that for guiding the plug terminals, some pairs of through holes placed in the middle diametrically opposed, machined in the body of the free platorm simple-guided laterally, with commanded blocking are delimited, at the outer side, by two profiled linear borders, arranged parallel to each other, having a height of 1...3 mm.
• the power outlet according to the invention in another constructive variant, solves the technical problems in that the said receiving enclosure is delimited by some walls, namely a cylindrical one, a lateral and flat one and a lower one, and in the latter there are machined two through holes which are crossed by some lower thin long hollow guides, placed diametrically opposed, of a body of a free platform guided at the lower side, sustained in the upper position, which enter the two lower long thick hollow guides of the lower flat wall, being retained in these by some stoppers, the body of this platform having two active outline surfaces which are in contact with some constructively different rigid lamellas for each bilamellar extractor, of which a rigid lamella has a concave active long portion and the other rigid lamella has an active surface formed of two portions, namely a concave upper one and a flat horizontal short front one, these being connected to each other, to the said cover body there being secured a long resilient lamella provided with two marginal pins, secured to a lower short support of the cover body, these pins,
• the power outlet according to the invention solves the technical problems in that the body of the free platform, guided at the lower side, sustained in the upper position, has an upper flat portion provided with two active curved outline surfaces, placed diametrically opposed, which, in the cross-section, are convex and have the shape of an arc of the circle with a 2...6 mm radius.
• the power outlet according to the invention in another constructive variant, solves the technical problems in that in the said cover body there are mounted two bilamellar extractors, placed diametrically opposed, each consisting of a body, which in an inner portion has two lamellas, namely a rigid one and a semi-rigid one, of which, the rigid lamella has an active surface formed of two portions, namely a concave upper one and a flat horizontal short front one, connected to each other, and the semi-rigid lamella has an active surface provided with two concave portions, namely a lower one and an upper one, joined to each other by a short convex portion, and in front of the latter, in the semi-rigid lamella there being provided a cutout open at the lower side, which confers elasticity on this during the contact thereof with the body of the said free platform, guided at the lower side, sustained in the upper position.
• each said bilamellar extractor has two constructively identical lamella, with guiding at the lower side in some narrow elongate slots, which in this respect have some enlarged lower portions, wherethrough there can be moved some soleplates for guiding the lamellas, a lamella having a flat active surface consisting of an inclined lower flat portion, continued with a curved flat upper portion in the shape of an arc of the circle, and with a flat upper portion, respectively, this being parallel to the soleplate, each pair of lamellas being retained in the said receiving enclosure by a curved piece provided with two upper open recesses which allow the movement of the soleplates only up to the shoulders thereof, the curved piece being introduced into some frames of the body of the upper semi-casing through a lower cutout, machined in some lower walls of the frames, in the lower walls of the frames there being machned some through holes for entering some pins, namely a short one, a long one and
• each of the constructively identical rigid lamellas of the bilamellar extractor has a lower flat portion, inclined by an angle, in relation to the horizontal, with a value of 16...18°, which is continued with a curved flat upper portion in the shape of an arc of the circle, with a 17...24 mm radius, and the length of the chord of the arc of the circle is 1.8...2.2 times bigger than the length of the lower flat portion which has a value of 4...7 mm, and an upper angle of attack has a value of 24...26°.
• the power outlet according to the invention in another constructive variant, solves the technical problems in that the lower hollow guides of the body of the said platform are closed at the lower side by said stoppers, after entering two through holes, machined in the wall delimiting the said receiving enclosure at the lower side, these holes being placed in front of two lower short hollow guides of the lower wall, which in their turn are in contact with some short hollow supports of the hollow body of the said lower semi-casing, and the stoppers come in contact with some springs placed in these hollow supports, in the wall delimiting laterally the receiving enclosure there being machined two vertical slots, closed at the upper side, and having the shape of letter "T", disposed diametrically opposed, in front of each slot the wall having to the outer side, two guiding ribs which enter some elongate recesses placed on either side of a rigid lamella, with guiding at the lower side, which belong to some unilamellar extractors, each lamella having an active surface, consisting of an inclined lower flat portion, continued with a lower soleplate and with an upper
• the power outlet according to the invention solves the technical problems in that some pairs of through holes, located in the middle, diametrically opposed, machined in the upper thin flat portion of the body of the free platform, guided at the lower side, with self-positioning in the upper position, are placed at the inner side of an outline border, which at the outer side and inner side follows the outline of the upper flat portion, the depth thereof being equal to 1 ...2 mm.
• the power outlet according to the invention solves the technical problems in that the body of the free platform, guided at the lower side, with self-positioning, has an upper flat portion provided with two of some active straight outline surfaces, placed diametrically opposed, in the shape of some segments of sphere sectors, with the large base positioned towards the upper side.
• the power outlet according to the invention in another constructive variant, solves the technical problems in that a flat body and a positioning resilient mobile flat thin piece of the said platform have one of some external shoulders, placed diametrically opposed, in the hollow body of the said lower semi-casing there being provided some internal "U"-shaped limiters, having two arms, namely a resilient one and a rigid one, passing through a slot machined in a lower wall of a recess provided for in the body of the said upper semi-casing, in which there is also positioned a body of the unilamellar extractor, the lamella of the said unilamellar extractor body having two rear lower long guides, continued with other two wide anterior lower guides, namely a medium one and a short one, respectively, in the lower long guide, in the close proximity of a smooth curved anterior portion of the body there being machined a recess, in which there enters the resilient arm when the lamella is situated entirely in the said receiving enclosure, retaining the platform in this position, and between the lower long
• Power outlet solves the technical problems in that the rigid lamella of the unilamellar extractor has the upper portion convex at the upper side, which in the cross-section has the shape of an arc of the circle with a 2...6 mm radius and which is curved in the shape of an arc of the circle with a radius of 17...24 mm, and the length of the chord of the arc of circle has a value of 1.8...2.2 times bigger than the length of the lower flat portion, which is of 4...7 mm, the lower angle of attack and the upper angle of attack having values of 16...18° and 24...26°.
• Power outlet solves the technical problems in that the body of the free platform, simple-guided laterally, with self-blocking has an active curved outline surface which has the shape of a sphere sector with the large diameter located towards the upper side.
• Power outlet in another constructive variant, solves the technical problems in that in the lower wall which delimits the said receiving enclosure there are machined two elongate slots, placed diametrically opposed, through which there enter two guides of a body of the free platform, guided at the lower side, with self-blocking in the upper position, each guide having two resilient lower arms between which there is provided an upper cutout, continued with a slot open at the lower side, each arm having a lower shoulder above which there is provided a positioning prominence, and a lamella of the said extractor having an active surface, consisting of an inclined lower flat portion, located in front of a soleplate and continued with an upper concave portion, which has a convex shape in the cross-section.
• the power outlet according to the invention in another constructive variant, solves the technical problems in that in the hollow body of the said lower semi-casing there are provided some supports placed two by two in a face-to-face arrangement and under each support, in a recess of the support there is mounted a resilient lamella having profiled ends, which pass through two narrow slots, the lamella having a central profiled prominence, provided with a through hole delimited by a wall with thread, placed in front of another through holes, machined centrally in the support, which allows the total or partial passage therethrough of a screw, which finally enters a through hole machined in a lower wall, under the lamella of the said unilamellar extractor, through some through guiding holes, machined in the lower wall, which delimits the said receiving enclosure, there entering two long cylindrical guides, resilient at their lower side, as a consequence of the existence of a channel, at the external side of which there are provided two lower shoulders which belong to the free platform, guided at the lower side, with commanded upper positioning, by the
• the power outlet with extractors allows to place a platform into the temporary or permanent receiving enclosure; - they have compact and relatively simple construction of the platforms and of the extractors;
• Fig. 1 is a top view of a post of a double power outlet known per se, provided with two extractors arranged diametrically opposed in a cover of the power outlet, each having two lamellas that a plug may come into contact directly;
• Fig 2 is a partial section, about plan ⁇ - ⁇ - ⁇ - ⁇ shown in Fig. 1 , through the power outlet and section in the vertical plan of a plug to which a self-sticker platform according to the invention is attached;
• Fig. 3 is a constructive detail A-i shown in Fig. 2;
• Fig. 4 is a perspective view of a plug having the two terminals located in front of the through holes of the components of the self-sticker platform;
• Fig. 5 is a perspective view of a plug, in which an earthing terminal may penetrate and of a self-sticker platform, respectively, said platform being carried out in another constructive variant according to the invention
• Fig. 6 is a section about the plan ⁇ - ⁇ - ⁇ - ⁇ , shown in Fig. 5 through the self-sticker platform;
• Fig. 7 is a top view of a simple power outlet with extractor, with earthing, wherein there is mounted a platform made in another constructive variant according to the invention
• Fig. 8 is a section according to plan C-rd, shown in Fig. 7, through the power outlet;
• Fig. 9 is a partial section according to plan D- 1 -D 1 shown in Fig. 8, through the power outlet;
• Fig. 10 is the constructive detail B-i , shown in Fig. 8, through the power outlet;
• Fig. 11 is a perspective view of an extractor, provided with two lamellas, of which one has two curved portions of an active surface, shown in Fig. 8;
• Fig. 12 is a bottom view of the extractor shown in Fig. 11 ;
• Fig. 13 is a section according to plan E- 1 -E 1 through the extractor shown in Fig.
• Fig. 14 is a top view of a platform mounted in the power outlet shown in Fig. 7;
• Fig. 15 is a bottom view of the platform mounted in the power outlet shown in Fig.
• Fig. 16 is a view in the direction Ci of the platform shown in Fig. 15;
• Fig. 17 is a constructive detail Di of the platform shown in Fig. 16;
• Fig. 18 is a top view of a double power outlet with extractor, with earthing, wherein a post is provided with a platform carried out in another constructive variant, according to the invention
• Fig. 19 is a partial view in the direction E-i of the power outlet, shown in Fig. 18;
• Fig. 20 is a partial view, according to plan F 1 -F 1 , shown in Fig. 9, through the power outlet equipped with some extractors made in another constructive variant, according to the invention;
• Fig. 21 is a partial view according to plan G-i-G-i through the power outlet of
• Fig. 22 is a constructive detail Fi shown in Fig. 20;
• Fig. 23 is a perspective view of an extractor made in another constructive variant, according to the invention, that the power outlet shown in Fig. 18 is equipped with;
• Fig. 24 is a bottom view of the extractor shown in Fig. 23;
• Fig. 25 is a bottom view of the platform shown in Fig. 18;
• Fig. 26 is a top view of a slider which is shown in the mounted condition in the platform shown in Fig.18;
• Fig. 27 is a view in direction Gi of the slider shown in Fig. 26;
• Fig. 28 is a bottom view of the cover shown in Fig. 18, wherein one of the short resilient pieces was not mounted;
• Fig. 29 is a top view of a short resilient piece
• Fig.30 is a side view of the short resilient piece, shown in Fig.29;
• Fig. 31 is a top view of a double power outlet with extractor, with earthing terminal, wherein in a post there is mounted a platform built in another constructive variant, according to the invention
• Fig. 32 is a partial section according to plan H-1-H1 through a post of the power outlet shown in Fig. 31 , provided with two extractors made in another constructive variant, according to the invention;
• Fig.33 is a constructive detail H-t shown in Fig. 32;
• Fig.34 is a bottom view of a post of the power outlet shown in Fig. 31 according to the direction l-i , represented in Fig.32, wherein the extractors are not mounted;
• Fig.35 is a perspective view of an extractor built in another constructive variant, mounted in the power outlet shown in Fig.31 ;
• Fig.36 is a partial section according to plan 1 - ⁇ 1 through the power outlet shown in Fig.32, which presents the extractor mounted in the operation position, in a cover of the power outlet;
• Fig.37 is a perspective view of a piece for closing and limiting the extractor stroke, mounted in the power outlet shown in Fig. 31 ;
• Fig. 38 is a top view of a resilient lamella presented in Figure 32;
• Fig. 39 is a partial section according to plan J-1-J1 through the power outlet shown in Fig 31 , in the condition when the platform is mounted;
• Fig.40 is a top view of the platform shown in Fig.31 ;
• Fig.41 is a bottom view of the platform shown in Fig.40;
• Fig.42 is a section according to pathway K-1 -K1 through the platform shown in
• Fig.41 is a top view of a double power outlet with extractor, without earthing, made in another constructive variant according to the invention
• Fig.44 is a section according to plan Li-Li through the power outlet shown in
• Fig.45 is a constructive detail J-i of the platform and extractor shown in Fig.44;
• Fig.46 is a perspective view of an extractor, carried out in another constructive variant, according to the invention, shown in Fig.44;
• Fig.47 is a top view of a resilient piece
• Fig.48 is a top view of the platform shown in Fig.43;
• Fig.49 is a bottom view of the platform shown in Fig.48;
• Fig.50 is a section according to pathway M M- ⁇ , shown in Fig.49, through the platform;
• Fig.51 is a partial section according to plan N 1 -N 1 through the power outlet, shown in Fig.43, that presents the platform in mounted condition;
• Fig.52 is a perspective view of a simple adapting power outlet carried out in another constructive variant, according to the invention, wherein a plug is to be inserted;
• Fig.53 is a perspective view of a simple adapting power outlet
• Fig.54 is a perspective view of an extractor, carried out in another constructive variant, according to the invention.
• Fig.55 is a top view of a movable multiple power outlet, with three posts, carried out in another constructive variant, according to the invention, of which in the first post there are not represented the extractors and the platform, in the second post there are shown the extractors in retracted position, and the platform is located at the lower side of the receiving enclosure, as in the situation in which a plug, not shown, would be introduced into the enclosure, and in the third post, the platform is situated at the upper side of the enclosure and the lamellas of the extractors are located in the receiving enclosure;
• Fig.56 is a section about the plan ⁇ - 1 - ⁇ 1 through the power outlet shown in Fig.55, in a perspective representation, in which the "U"-shaped earthing lamella is entirely presented;
• Fig.57 is a section, according to plan P 1 -P 1 through the power outlet shown in Fig.55, at enlarged scale;
• Fig.58 is a perspective view of the movable multiple power outlet shown in
• Fig.59 is a perspective view of an extractor, carried out in another constructive variant
• Fig. 60 is a section about plan ⁇ 1 - ⁇ 1 , shown in Dig.59, through the extractor;
• Fig.61 is a perspective view of a platform carried out in another constructive variant, according to the invention.
• Fig.62 is a top view of a movable power outlet with three posts, of which in a post the platform and the extractors are not represented, in the middle post the extractors are shown in retracted position and the plug is not represented, and in the last post the extractors are shown in pushed in position and are carried out in another constructive variant, according to the invention;
• Fig,63 is a perspective view of the power outlet presented in Fig.62, in the position in which the semi-casings are not assembles together;
• Fig.64 is a top view of a platform made in another constructive variant according to the invention.
• Fig.65 is a bottom view of the platform shown in Fig.64;
• Fig.66 is a view in the direction K-i of the platform shown in Fig.65;
• Fig.67 is the constructive detail l_i of the platform shown in Fig.66;
• Fig.68 is a perspective view of an extractor made in another constructive version according to the invention.
• Fig.69 is a bottom view of the extractor shown in Fig.68;
• Fig.70 is a perspective view of a movable multiple power outlet with three posts, carried out in another constructive variant according to the invention- of which in the first post the extractors are not represented and the platform is presented to the outer side, in the second post the extractors are shown in the retracted position and the platform is located at the lower side of the receiving enclosure, as in the situation in which the plug, not represented, would have been introduced into the enclosure, and in the third post, the platform is situated at the lower side of the enclosure, and the lamellas of the extractors are placed into the enclosure;
• Fig.71 is a top view of a multiple power outlet shown in Fig.70;
• Fig.72 is a section about the plan R-1-R1 shown in Fig.71 , through the power outlet;
• Fig.73 is a perspective view of an extractor of a power outlet shown in Fig.70;
• Fig.74 is a perspective view of a platform equipping the power outlet shown in
• Fig.75 is a perspective view of a movable multiple power outlet with three posts, carried out in another constructive variant, according to the invention, of which in the first post the extractors are not represented and the platform is represented to the outer side, in the second post the extractors are shown in retracted position and the platform is situated to the lower side of the receiving enclosure, as in the situation in which a plug, not represented, would have been introduced into the enclosure, and in the third post the platform is situated at the upper side of the enclosure and the extractors lamellas are placed into the enclosure;
• Fig.76 is a top view of a multiple power outlet, shown in Fig.75;
• Fig.77 is a section according to the plan S-I-S-I, shown in Fig.76, through the power outlet;
• Fig.78 is a bottom view, in perspective, of the multiple power outlet shown in
• Fig.79 is a perspective view of a resilient lamella of the power outlet shown in
• Fig.80 is a perspective view of a platform belonging to the power outlet shown in
• Fig.81 is a perspective view of an extractor belonging to the power outlet shown in Fig.75.
• the power outlet according to the invention may be simple or double, situation in which the embodiment is presented for a type "F" double power outlet, illustrated in Figures 1 and 2 and it consists of a socket A to which there is secured a cover B having mounted therein two extractors C for each post - all these being known per se - having the role of extracting a plug D, to which there is attached an independent self-sticker platform - according to the invention - from the electric contact.
• the socket A has a body 1 wherein there are placed some lamellar electric contacts and some securing jaws are mounted, respectively, in a box positioned and secured in a wall, situation known per se, not represented in the figures.
• the cover B whose body 2 has a cylindrical wall a which delimits a receiving enclosure b and in which there are machined two elongate slots, arranged diametrically opposed, or four elongate slots arranged two by two, diametrically opposed in front of which in body 2 there are provided some recesses c, diametrically opposed, each delimited by a profiled lower wall d.
• an extractor C whose body 3 has a portion e provided with a profiled impression for the contact with a finger of a hand and a portion f, respectively, said portion may have one or two lamellas g.
• a body 4 of the plug D may be manufactured of any plastic material that is a good dieletric, such as rigid, semi-rigid, or flexible polyvinyl chloride or ceramics and in this there are secured two metal terminals 5 and 6.
• the rigidity of the body 4 may be lower or higher than that of the plastic material from which there is manufactured the body 3 of the extractor C that has the lamellas g.
• the platform E has a flat profiled body 7 following an external contour j of the surface i and that is provided with two external prominences k located diametrically opposed, that are within the contour j and are characteristic to the body 4 of the type "F" plug D.
• Within the body 7 there are provided some cut-outs I located diametrically opposed, staggered in relation to some prominences m by an angle of 90°, and in front thereof, in the body 7 there are machined two through holes n, located to the middle.
• a self-sticker double thin layer 8 having a contour of the same shape as the shape of contour j.
• the layer 8 there are machined two through holes located in front of the holes n not represented in the figures.
• the body 7 has on the outline two straight portions p located diametrically opposed, which are convex in the cross section and have the shape of an arc of circle of a 2...6 mm radius, in which, in the middle, there are provided the prominences m. Between the portions p the outline j has the shape of a sphere sector with the large diameter arranged towards the upper side.
• a type ⁇ " plug D there is used another self-sticker independent platform F, according to the invention, that has a flat body 9, which follows an external circular outline of the body 4, to which this is attached.
• the body 9 there are machined two through holes q, located at the middle, having the centres diametrically opposed, and a peripheral through hole r arranged so that between the centre of the hole r and the centers of holes q there is an angle of 90°.
• a self-sticker double thin layer 10 On the upper surface s of the body 9 there is secured a self-sticker double thin layer 10, having a contour of the same shape as that of a contour of the body 9.
• the latter has an outline surface t having the shape of a sphere sector with the large diameter located in front of the surface s.
• the hole r may be crossed by an earthing terminal which, subsequently, penetrates into a recess provided in the body 4, situation not represented in the figures.
• the bodies 7 and 9 are manufactured of a plastic material which is a good dielectric, such as polyamides and, preferably, polypropylene and have a thickness of 1 ,5...3,0 mm.
• a leading front short flat portion u of the lamella g is permanently located in an open channel v machined in a lower wall w, which delimits a receiving enclosure b.
• the power outlet according to the invention in another constructive variant, may be of type "C” or type "E” or type "F”; the embodiment is presented for a simple type "E” power outlet, illustrated in the Figures 7... 17, which consists of a socket A to which there is secured a cover G, wherein there is located and retained a free platform H double-guided laterally, with self-blocking.
• the cover G consists of a body 11 that has a cylindrical wall x which delimits a receiving enclosure y and wherein there are machined four elongate slots, arranged two by two diametrically opposed.
• a body 11 In front of each pair of slots in the body 11 there are provided two recesses z, each delimited by a profiled lower wall a'.
• a bilamellar extractor ! In each recess z there is located a bilamellar extractor !, whose body 12 has a portion b' with an external impression and an inner portion c', respectively, said portion being provided with two constructively identical semi-rigid lamellas arranged in parallel to each other.
• Each lamella d' has an active surface e' consisting of two portions f and g', namely a lower concave portion and an upper concave portion, joined together by an intermediary, short, convex portion h'.
• a short lower end i' of the portion f is located in an open channel j', machined in a lower flat wall k' which delimits the receiving enclosure y.
• the portions f and g' are in the shape of arcs of the circle with equal radii, each radius having a value of 10...15 mm, and the lengths of the chords of the arcs of circle are unequal, the length of the chord of the portion f being higher than the length of the chord of the portion g' by 15...25%.
• the tangent to this forms with a straight line parallel to the lower horizontal edge I' of the lamella d' a lower angle of attack a, having a value of 9...15°, and in the immediate vicinity of the upper end m' of the portion g' the tangent to this makes with a straight line parallel to a vertical edge n' of the lamella d' an upper angle of attack ⁇ having a value of 17...23°.
• the convex portion h' has the shape of an arc of circle with a radius of 2...6 mm and has the constructive role of increasing the resistance of the lamella d', under the conditions in which there exists a cut-out o', located under the portion h', which ensures the displacement on a length of 10...12 mm of the extractor I, maintaining at the same time the elasticity created in portion h', which contributes to relatively reducing the extraction time.
• the body 12 is provided, in front of the portion b' with two lateral guides p' penetrating into two channels q' machined in the body 11 , in front of the recess z.
• the piece 14 has an outer flat portion u' and a resilient S-shaped inner portion v', respectively, that is placed in a recess w', machined in the body 13 which, for retaining the piece 14, is provided with two guiding open "T"-shaped channels x', located on either side of the recess w', wherein two lateral guides y' of the piece 14 penetrate.
• the body 13 and the piece 14 which form together a circular outline are provided with one of some positioning profiled prominences z' and a", placed between the guides s' and between the guides t', respectively, and which, by mounting the platform H in the receiving enclosure y, are permanently in contact with the cylindrical wall x. After positioning the platform H in the receiving enclosure y, this may no longer be extracted as a consequence of the fact that the resilient portion v' may no longer be compressed, and the channels r' are closed to the upper side. Inside the receiving enclosure y the platform H can be moved freely and may be positioned to the upper side by means of the extractors I, for maintaining the enclosure y clean and, where appropriate, for the contact with body 4 of the plug D.
• a central through hole g" for the access to a screw securing the cover G to the socket A, situation not represented in the figures, and another lateral through hole h", respectively, having the centre staggered by an angle of 90° in relation to the centres of holes b" and c" and located opposite to the piece 14, through which an earthing terminal 15 may penetrate into a recess machined in the body 4, not represented in the figures.
• each extractor I there is fixed an interior thin rigid plate 16 together with a resilient lamella 17, both having the same dimensions.
• the resilient lamella 17 is provided with a pin k" that is located in front of a through hole I" machined in the plate 16.
• the platform H is positioned to the upper side, closing the enclosure y, in the hole j" there penetrates the pin k" which crosses the hole I", maintaining it in this position, that allows, that in a relatively short time, the terminals 5 and 6 to be introduced through the holes b" and c", there being guided by means of the portions e" and f".
• the body 13 has two zones m" and n" located diametrically opposed, provided with some active outline surfaces o" and p", each having, in the cross-section the shape of an arc of circle with a 2...6 mm radius, that are in contact with the lamellas d ⁇
• the body 13 has a thickness of 2..3 mm.
• each extractor I in the cover G is made by the rigid plate 16 which comes into contact with a rear lower shoulder q" of each lamella d'.
• the extractors I when the platform H is mounted freely in the receiving enclosure y, the extractors I have the lamellas d' placed in the enclosure y, so that the platform H is situated at the upper side of the enclosure y, situation in which the latter is protected against the ingress of dust or of other foreign bodies.
• the enclosure y is lowered below the level of the body 11 , inside the box, in order to obtain a prescribed depth of the enclosure y with a value of 15mm, according to the international standards.
• the power outlet according to the invention in another constructive variant, is type "F" double power outlet, illustrated in Figs.18...30and consists of the socket A, to which there is secured a cover J in which there is placed and retained a free platform , simple-guided laterally, with commanded blocking.
• the cover J consists of a body 18 that has a cylindrical wall r" delimiting a receiving enclosure s" and wherein there are machined four elongate slots, arranged two by two diametrically opposed, situation not represented in the figures. In front of each pair of slots in the body 18 there is provided a recess t", delimited by a profiled lower wall u".
• each recess t" there is located a bilamellar extractor L whose body 19 has a portion v" with outer impression and an inner portion w", respectively, said inner portion being provided with two rigid lamellas x" and y", constructively different from each other and arranged in parallel.
• the lamella x" has an active surface z" formed by two differently inclined flat portions a'" and b'", namely a long upper one and a short one, the length of the portion a'" being bigger than the length of portion b'" by 85...95%. Between the portion b'" and the horizontal plan there is a lower dihedral angle of attack ⁇ , with a value of 18...22°, and between the portion a'" and a vertical plan there is an upper dihedral angle ⁇ with a value of 27...35°.
• the lamella y" has an active surface c'", consisting of two portions d'" and e" ⁇ namely an upper concave one and a front short horizontal plane one, respectively, connected between them.
• the portion e'" has a 2...3 mm length and it is located in an open channel f", machined in a lower wall g'" delimiting the receiving enclosure s"'.
• the portion d'" has the shape of an arc of the circle, having a 25...35 mm radius, and the length of the circle arc chord is equal to 10...13 mm.
• the slider 20 has two lateral guides " that penetrate into the channel k" ⁇
• the body 21 of the platform K is provided in the middle with two recesses m'" situated diametrically opposed, and with two resilient guides n'", respectively, said guides being arranged diametrically opposed - placed in front of some external guides of the type "F" plug D in front of some active straight outline surfaces o" ⁇ which are convex in the cross-section and have the shape of a arc of circle of a 2...6 mm radius.
• the body 21 there are machined two through holes p'" and q"' that can be crossed by the terminals 5 and 6, as well as another through hole r'" for the access to a screw 22 securing the cover J to the socket A.
• the slider 20 is positioned along a direction that forms an angle of 45° with the axis joining the centers of the holes p'" and q" ⁇
• the body 21 is provided with two linear profiled borders s'" and t'", having a height of 1 ...2 mm, that are arranged in parallel with each other and which enclose the holes p'" and q'", in order to guide the terminals 5 and 6 of the plug D within the latter.
• the body 19 has in a portion w" a short lateral lower shoulder y'" which blocks the extractor L in the cover J, wherein there are fixed in a manner known per se, preferably, by means of a screw 23, four short resilient pieces 24.
• Each piece 24 has a concave portion z'", which confers elasticity on it, as well as a short pin a lv , for positioning inside a lower blind hole b lv machined in the portion v" of the extractor L, after having crossed a through hole, machined in the wall u", not positioned in the figures, and a tall profiled stopper c lv , respectively, which after crossing a through hole d lv provided in the wall u" comes into contact with the shoulder y" ⁇
• Each stopper c lv is located in front of a lamella y".
• the body 19 is provided with two lower lateral guides e lv , of which the one on the side of the lamella y" is provided with the shoulder y" ⁇
• the guides e lv are located in some channels f* v , machined in the body 18.
• the platform K is mounted and retained in the receiving enclosure s", being located to the upper side, as a consequence of the fact that the lamellas x" and y" are situated entirely in the enclosure s", before introducing the plug D into the enclosure s", for achieving the electric contact.
• the height of the body 18 of the cover J ensures the depth of the receiving enclosure s" which is equal to 18 mm, according to the international standards, without placing the wall g'" into the box, that allows a constructive simplification of the lamellas x" and y", in that they do not present a constructive recess required in the situation in which the wall g'" would be placed inside the box.
• the power outlet according to the invention in another constructive variant may be type ⁇ " simple or double power outlet, situation in which the embodiment is presented for a double power outlet with earthing, illustrated in Figs. 31...42, which consists of the socket A to which there is fixed a cover , wherein there are mounted two bilamellar extractors N for each post, one having the role of extracting the plug D, in the situation in which in a receiving enclosure g l , provided in a body 25 of the cover there is placed a free platform O, guided at the lower side, sustained in an upper position.
• the enclosure g lv is confined by some walls h lv and i lv , namely a lateral cylindrical one and a lower flat one, respectively.
• the wall h lv there are machined, for each post, four elongate slots, not represented in the figures, arranged two by two diametrically opposed and in front of each pair of slots in the body 25 there is provided a recess j lv confined by a lower wall k lv , provided with an inner threshold ⁇ ' ⁇ under-whieh there are situated two supports m lv and n lv , that are continued with two long profiled guides o lv which are integral with the wall h lv .
• each recess j lv there is placed a bilamellar extractor N whose body 26 has two portions p lv and q lv with impression, namely an external one and an internal one.
• the latter has two constructively different rigid lamellas r lv and s lv arranged in parallel to each other, of which the lamella s lv is constructively identical to the lamella y".
• Lamella r lv has an active long concave portion t lv having the shape of an arc of circle with an 18...24 mm radius, and the length of the chord of the arc of circle is equal to 14... 16 mm.
• a marginal blind hole a v located between the lamellas r lv and s lv , wherein there penetrates a marginal short stud b v of a long resilient lamella 27.
• the latter further has a marginal short stud b v , and between the two studs b v there is provided a through hole, not represented in the figures, through which there crosses a screw for fixing the lamella 27 to a lower short support c v of the body 25, situation not positioned in the figures.
• the guides y lv come into contact with the guides o lv , and the shoulders z lv come into contact with two lower limiters d v of a piece 28 closing the recess j lv .
• the piece 28 has two lower lateral long walls e v , which confine a lower front profiled wall f v that comes into contact with the cylindrical wall h lv .
• the platform O has a body 29 which has an upper flat portion h v of a circular shape, which is continued with two lower thin long hollow guides i v located diametrically opposed.
• the portion h v has two through holes j v located in the middle, machined therein, that can be crossed by the terminals 5 and 6 of the plug D. Between the holes j v , in the vicinity of an external cut-out k v of the portion h v , in the latter there is also machined another peripheral through hole l v that is crossed by an earthing terminal 30, fixed in the body 1. Through the cutout k v the access to a screw 31 for fixing the body 25 to the body 1 is allowed.
• the socket A allows the wall i lv to be provided with the guides o v .
• the flat portion h v has two regions q v arranged diametrically opposed, placed in front of the pairs of lamellas r lv and s lv , that have some active curved outline surfaces r v , that are convex in the cross-section and have the shape of an arc of circle with a 2...6 mm radius.
• the portion h v has two long profiled borders s v and t , arranged parallel to each other, with a height of 1 ...2 mm, which frame the holes j v delimiting a wide channel u v for guiding the terminals5 and 6 towards the holes j v .
• the platform O is mounted and retained in the receiving enclosure g lv and it is placed to the upper side, as a consequence of the fact that the lamellas r lv and s lv are entirely situated in the enclosure g lv .
• the plug D must be introduced into the enclosure g lv for achieving the electric contact, there takes place the contact between the terminals5 and 6 and the profiled borders s and t , for the purpose of guiding them towards and into the through holes j v .
• the lamellas r lv and s l are moved towards the inner side of the enclosure g lv in a relatively short time and by applying a force with a relatively reduced value and variation in time, due to the different geometrical shapes of the active surface of the lamella s lv and of the active surface t l of the lamella r lv , respectively; during the extraction, the contacts thereof with the surfaces r take place alternately, but diametrically opposed, diagonally, that ensures a continuous and smooth extraction.
• the height of the body 25 of the cover M ensures a depth of the receiving enclosure g lv , which, according to the international standards has a value of 15 mm, so that the socket A allows the achieving of the guides o v , located to the lower side on the body 25 of the cover , wherein there can be moved, in both directions, the guides i v of the platform O.
• the latter is retained inside the enclosure g lv by the stoppers 32.
• the power outlet according to the invention in another constructive variant, may be type "C" simple or double, illustrated in Figs. 43...51 , consisting of the socket A, to which there is fixed a cover P, in whose body 33 there are mounted two bilamellar extractors Q for each post, having the role of extracting the plug D, in the situation in which in a receiving enclosure w v provided in the body 33 there is placed a free platform R, guided at the lower side, sustained in the upper position.
• a free platform R In a lower wall x v which delimits the receiving enclosure w v provided in the body 33 there is located a free platform R, guided to the lower side, sustained in the upper position.
• the platform R has a body 34 provided with an upper flat portion having a circular shape which is continued with two lower thin long hollow guides ' b vl , arranged diametrically opposed.
• the guides b vl enter some hollow guides e vl , open to the ends, of the body 33 retained in the latter by some stoppers 32
• the portion a vl has two lower zones f vl , each provided with a curved outline surface g lv , which is convex in the cross-section and has the shape of an arc of the circle with 2...6 mm radius.
• Each extractor Q consists of a body 35 which has two hollow portions h vl and i vl with impression, namely an outer one and an inner one, the latter has two lamellas j vl and k vl , namely a rigid one and a semi-rigid one, arranged parallel to each other.
• the lamella j vl has a construction identical to the one of the lamella y" of the extractor L, and the lamella k vl has an active surface, having a same geometry with that of the active surface e' of the lamella d', made up of two concave portions m vl and n vl , namely a lower one and an upper one, joined between them by a short convex portion o vl , said portions being constructively identical with the portions f , g' and h' of the lamella d' of the extractor !.
• a cutout p vl In front of the convex portion o vl in the lamella k vl there is provided a cutout p vl , conferring elasticity on it during the contact between the portion o l and the platform R.
• the cutout p l is open at the lower side and it is delimited by a wall q vl in the shape of an arc of circle.
• Each extractor Q is retained in the cover P by means of a closing piece not represented in the figures, having a construction identical to that of piece 28, which by means of some lower limiters, blocks some shoulders s vl of the extractor Q, and the positioning of the latter in the cover P is carried out by means of a lateral pin t vl of a long resilient piece 36 - whose construction is identical to that of the piece 27 - which enters a blind hole u vl of the extractor Q, which surrounds the receiving enclosure w v .
• the piece 36 is fixed to the cover P in a manner known per se, for example, by means of a screw, which penetrates a through hole, provided in the centre of the piece 36 and, another through hole, respectively, said hole being machined in the body 33, finally penetrating in the hole u l , situation not represented in the figures.
• the shoulders s vl are positioned on some lower long guides v vl of the body 35, which in their turn are positioned in contact with some supports of the body 33, not represented in the figures, having a same construction with that of the supports m lv and nlv .
• the platform R is mounted and retained in the receiving enclosure w v and it is placed at the upper side as a consequence of the fact that the lamellas j vl and k vl are situated entirely in the enclosure w v .
• the height of the body 33 ensures the depth of the receiving enclosure w vl , and the cutout p vl in the lamella k vl ensures only the elasticity in portion o vl of this lamella k vl which makes possible the movement along the guides l vl , in both directions, of the guides b vl .
• the holes c vl and d vl machined in the body 34 may be surrounded by two long borders or surrounded by some truncated cone shaped portions with a height and a depth of 1 ...2 mm, respectively, situations not represented in the figures.
• the power outlet according to the invention in another constructive variant, may be, preferably type "F" simple or double, with earthing, situation in which the embodiment is presented for a simple adapting power outlet, illustrated in Figs. 52...54 which consists of a lower semi-casing S to which there is undetachably fixed an upper semi-casing T.
• the semi-casing S consists of a body 36, wherein there are fixed two terminals 37 and 38 as well as two earthing lamelias 39, and which has two prominences w vl arranged diametrically opposed.
• the terminals 37 and 38 have mounted to the upper side a pair of resilient lamelias, in which the terminals 5 and 6 of the plug D may penetrate, situation known per se, but not represented in the figures.
• the semi-casing T consists of a body 40 provided with a thin cylindrical wall x which delimits a receiving enclosure y vl and with two frames z vl and a v ", respectively, which are integral with the wall x vl .
• the lamellas g v " and h v " are constructively identical, with guiding at the lower side and limitation of the stroke, situation in which only the construction of the lamella g v " will be presented, said construction having an active flat surface i v " consisting of a lower flat portion j v ", inclined by an angle ⁇ in relation to the horizontal, with a value of 16...18°, located in front of the sole e v ".
• the portion j v " is continued with a curved flat upper portion k v ", in the shape of an arc of circle, with a radius of 17...24 mm, and the length of the chord of the arc of circle is 1.8....2.2 times longer than the length of the - portion j v ", which has a value of 4...7 mm.
• the value of an angle of attack ⁇ between the tangent in a point ! VM situated at the transition of the portion k v " with a flat upper portion m v ", parallel to the soleplate e v " is of 24...26°.
• the body 41 has some portions n " and o v “, namely a rear flat portion provided with an impression and an anterior curved portion having the lamellas g VM and h ", respectively.
• the portion o v " surrounds the thin wall x vl .
• the body 41 has a recess p v " which confines an outer lateral lower guide q v " of the lamella g v " and it is continued by means of a shoulder r v " of the soleplate e VM .
• the lamellas g v “ and h v " are introduced through the slots b v “ and c v “ into the enclosure y vl , thereafter through a lower cutout s v “ machined in a lower wall t v " of the frame a v " there is introduced a piece 42 for retaining and limiting the stroke of the guide q v " by the contact with the shoulder r v ".
• the piece 42 is curved having the shape of the wall x vl and it is provided with two open upper recesses u v " and v v " whose dimensions allow them to partially dress at the upper side the lamellas g v " and h v " and it is located in the recess p ".
• the wall t there are machined three through holes w , x and y in which there enter some pins z v ", a vl “ and b vl ", namely a short one, a long one and a short one, of a resilient piece 43, provided with a front curved zone c vl " that follows the curvature of the wall x vl .
• a free platform V In the enclosure y vl , prior to interlocking the bodies 36 and 40, there is located a free platform V, guided laterally with commanded locking so that some ends i vl " of a slideway 44, that is guided in a lower open channel j vl ", machined in a body 45 of the platform V, penetrate in the channels g vl " open at the lower side.
• the body 45 is provided with two through holes k vm placed in the middle - delimited by two long linear borders l vl ", arranged parallel to each other, with a height of 1 ...2 mm that can be crossed by the terminals 5 and 6 and has two diametrically opposed zones m vm , delimited by one of two active straight outline surfaces n VIM , each being convex in the cross section, and having the shape of an arc of the circle with a 2...6 mm radius.
• the terminals 5 and 6 come into contact with the pairs of resilient lamellas of the terminals 37 and 38, thereby the supply with electric power being achieved.
• the profiled surfaces n vm progressively come into contact with the concave and straight portions k v " and j v ", namely, a concave one and a straight one, so that in the end the portions j v " are placed frontally on either sides of some resilient guides o vl " placed in the middle of the surfaces r vni
• the extractors U are moved by pushing with two fingers of a hand, so that the lamellas g v " and h VM are moved with the soles e VM and f v " on a flat wall p vm , that delimits to the lower side the enclosure y vl .
• the surfaces n VIM progressively come into contact with the surfaces j v " and with the surfaces k VM , until the plug D is taken out of the enclosure y l and the platform V remains in the enclosure y vl in the upper position, as a consequence of the fact that the pushers U are retained with the lamellas h v " and g v " inside the enclosure y vl by the pins a vl " of the piece 43, that penetrate into the holes d vl " of the bodies 41.
• the shape and ' dimensions- -of the active surfaces i " of the extractors U lead to a compact construction and to reliability in operation, respectively.
• the power outlet according to the invention in another constructive variant, is a type "F" mobile multiple power outlet, with at least two posts, with earthing, situation in which the embodiment is presented for a mobile multiple power outlet, illustrated in Figs. 55...61 with three posts, that consists of some lower and upper semi-casings W and X, respectively.
• the semi-casing W consists of a hollow body 46, wherein there are provided six lower short hollow supports q vl ", wherein there are placed some springs 47 and six lateral stoppers r vl ", respectively, said stoppers being placed inside an inner skirt s vm . Both in this skirt and in a border t vl " there is machined one of some front holes u VMI and v vm , wherethrough there passes an electric cable, connected to some lamellas for the electric contact, situation known per se, not represented in the figures and to three "U"- shaped earthing lamellas 48, respectively, known per se.
• each lamella 48 Some arms w and x of each lamella 48 are located in some pairs of slots y arranged diametrically opposed, two by two, provided in a thin cylindrical wall z vl " which confines together with a lower wall a lx , a receiving enclosure b lx belonging to a body 49 of the casing X.
• the wall a lx has two lower hollow short guides c lx , which by joining together the semi-casings W and X come into contact with the supports q vm , and the springs 47 penetrate into the guides c lx .
• the wall z VMI there are provided two channels f* x located diametrically opposed, open to the upper side, through which there are moved towards the wall a lx some outer prominences g lx , located diametrically opposed, of a body 50 of a free platform Y, guided at the lower side with self-positioning in the upper position.
• the body 50 is provided with an outline border h lx of an upper flat portion i lx that has two recesses not positioned, located diametrically opposed, through which the arms w vl " and x vm pass.
• the body 50 In the body 50, inside the border h lx , there are machined two through holes, placed in the middle, diametrically opposed through which there my pass the terminals 5 and 6 of the plug D.
• the body 50 has two lower hollow guides k lx , in which, after introducing them through the holes d lx there are mounted some stoppers 51 for the contact with the springs 47 and for retaining the guides k lx into the guides c lx , respectively.
• a unilamellar extractor Z is formed in a body 52 provided with two portions o lx and p lx , namely an exterior one with impression and an interior one, as well as with two elongate recesses q , located on either sides of a rigid lamella r with guiding at the lower side.
• the latter has an active surface s lx consisting of a lower flat portion t lx , inclined by an angle ⁇ relation to the horizontal, located in front of a soleplate u lx .
• the portion t lx is continued with an upper portion v lx , having the concavity value equal to that of the portion k v ".
• the portion v lx has the shape of an arc of circle with a 17...24 mm radius.
• the value of angle ⁇ between the tangent in a point w ,x situated at the transition of portion v lx with a flat upper portion x lx , parallel to the soleplate u lx with the vertical has a value of 24...26°.
• the portion v lx is convex and has to the upper side the shape of an arc of circle with a 2...6 mm radius.
• the lamella r lx has two lower long guides y lx between which there is machined a channel z lx open at the lower side and closed at the ends.
• the lamella r lx is introduced through the slot l lx into the enclosure b lx , so that the ribs mIX penetrate into the recesses q lx and the guides y ,x remain in contact at the upper side with the ribs m lx , and the stopper r vl " penetrates into the channel z lx .
• the body 52 is placed between two lateral walls a x .
• the mobile multiple power outlet is supplied from a low-voltage power network, then, in turn, a plug D - depending on the number of posts - is placed in front of the enclosure b lx , and the terminals 5 and 6 are guided by the border h ,x and directed towards the holes j lx of the platform Y in which they enter, which allows the platform to be moved downwards, by pressing the plug D, and consequently to compress the springs 47 until the terminals 5 and 6 pass through the holes e lx and penetrate between the resilient lamellas, achieving the electric contact, During this whole period the extractors Z are moved towards the outer side of the enclosure b lx and the stoppers r vl " placed in the channels z lx limit the strokes of the extractors Z.
• the border h lx has some upper semi-borders b x with a height of 1...2 mm, each provided with one of some active lower outline surfaces c x , in the shape of a sphere sector with the large diameter placed towards the upper side, that are in contact with the concave surfaces s lx , during the movement of the platform Y along the enclosure b lx .
• the extractors 2 are pressed by two fingers of a hand, so that the portions t lx initially having the distance between their front ends equal to the value of the small diameter of the surfaces c x , are moved towards the inner side of the enclosure b lx , advancing together with the portions v lx towards the centre of the enclosure b lx , raising the platform Y in a time and with a force of relatively low values.
• the springs 47 may be tared so as to allow or not to maintain in electric contact the terminals of a type "C" earthing-free plug, whose diameters are of 4.0 mm in relation to the diameters of the terminals 5 and 6 of the plug D that has a value of 4.8 mm.
• the upper surface of the border h ,x may be placed at the upper level of the cylindrical wall z vl " confining the receiving enclosure b lx . This fact is possible due to the presence of the border h lx which allows the guiding of the terminals 5 and 6.
• the power outlet according to the invention in another constructive variant, is a type "E" mobile multiple power outlet with at least two posts, with earthing, situation in which the embodiment is presented for a mobile multiple power outlet with three posts, illustrated in Figs. 62...69, which consists of two semi-casings A' and B ⁇ namely a lower one and an upper one, respectively.
• the semi-casing A' consists of a hollow body 53 wherein there are provided some inner "U"-shaped limiters d which are integral with an upper border e x of the body 53.
• a hole f x for passing therethrough an electric cable connected to some electric contact lamellas and
• Each limiter d x has two arms g x and h x , namely a resilient one and a rigid one, respectively, the latter being integral with the border e x .
• the limiters d x are placed face to face, two by two, and the arms g x and h x cross one slot i x , machined in a lower wall j x of a recess k x , provided in a body 55 of the semi-casing B', where there is positioned partially a body 56 of a unilamellar extractor C.
• the body 56 has some portions l x and m x namely a smooth curved front one and a rear one, respectively, the latter having a rigid lamella n x , with guiding at their lower side, with the limitation of the stroke crossing a vertical slot o x , machined in a thin cylindrical wall p x , 15 mm tall, which delimits, together with a flat lower wall q x , a receiving enclosure rX in the body 55.
• the slot o x communicates to the lower side with a channel s x , that is machined in the wall j x and that has a width bigger than that of the slot o x .
• In the wall q x there are machined two through holes t x , placed in the middle, diametrically opposed, for passing the terminals 5 and 6 therethrough, and a marginal through hole uX through which the terminal 54 passes.
• the wall p x there are provided two vertical channels v x , open lengthwise and closed to the upper and lower sides, placed diametrically opposed, wherein there may penetrate one of some external shoulders w x and x x of a flat body 57 and of a positioning resilient movable flat thin piece 58, respectively, that belong to a free platform D ⁇ guided laterally, simple-guided, with self-locking placed in the enclosure r x .
• the piece 58 has an outer flat portion y* and a resilient "S"-shaped inner portion z x , respectively, and it is placed in a recess a xl machined in the body 57, wherein for retaining the piece 58 there are provided two guiding, open, "T"- shaped channels b xl located on either side of the recess a xl wherein two lateral guides c xl of the piece 58 penetrate.
• the shoulders w x and x x are located diametrically opposed and close to them the body 57 has a prominence d xl and the piece 58 has another prominence e xl that are located diametrically opposed.
• the body 57 is bordered by an active outline surface f*' having the shape of a sphere sector with the large diameter placed upwards.
• an active outline surface f*' having the shape of a sphere sector with the large diameter placed upwards.
• the body 57 there are provided three through holes g xl , h xl and i xl with diameters equal to one another, of which the holes g xl and h xl are placed diametrically opposed, in the middle, and they are for guiding the terminals 5 and 6, and the hole i xl is intended for the penetration of the terminal 54.
• the lamella n x has two rear lower long guides l xl and m xl continued with two wide anterior lower guides n xl and o xl , namely an average one and a short one, respectively.
• n xl and o xl In the guide l xl , in the immediate vicinity of the portion l x there is machined a recess p xl delimited by a wall having a shape conjugated with a profiled end of the arm g x .
• the lamella n x has an active surface s xl consisting of a lower flat portion t xl , inclined by the angle of attack ⁇ to the horizontal, placed in front of a soleplate u xl .
• the portion t xl is continued with an upper portion v 50 , constructively identical to the portion v lx , which in the cross-section is convex and has the shape of an arc of the circle with a 2...6 mm radius and which is curved in the shape of an arc of the circle with a 17...24 mm radius, and the length of the chord of the arc of the circle has a value of 1 ,8...2,2 times longer than the length of the portion t xl that is of 4...7 mm.
• the angle ⁇ between the tangent in an upper point w xl of the portion v*' with the vertical line has a value of 24...26°.
• the movable multiple power outlet is supplied from a low-voltage power network, thereafter a plug D, in each case - depending on the number of posts - is placed in front of the enclosure r x and the terminals 5 and 6 are guided by the flared portions j xl and h xl and directed into the holes g xl and h xl of the platform D', which is moved downwards, by pressing the plug D with the consequence of moving the lamellas n towards the outside of the enclosure r*, as a consequence of the platform D' being guided by the shoulders w x and x x along the channels v*, and the prominences d xl and e xl center the platform D' , coming into contact with the wall p x .
• the resilient arm g x releases the lamella n x , by its coming out form the recess p xl of the guide l xl , after the terminals 5 and 6 enter the holes g xl and h xl and the platform D' begins to descend.
• the movement of the lamellas n x towards the oputer side of the enclosure r* is performed as a consequence of the contact of the surface f* 1 with the surface s xl up to achieving the final electric contact, situation in which the thresholds q xl and r xl come into contact with the arms g x and h x .
• the extractors C are pressed by two fingers of a hand, so that the portions t xl , having initially the distance between their front ends equal to the value of the small diameter of the surface f* 0 are moved towards the inner side of the enclosure r x , lifting the platform D' with a force and in a time with relatively low values and safely, until the plug D is taken out.
• the power outlet according to the invention in another constructive variant is a type F mobile multiple power outlet, having at least two posts, with earthing, situation in which the embodiment is presented for a mobile multiple power outlet with three posts, illustrated in Figs. 70...74, which consists of two semi-casings E' and F', namely a lower one and an upper one.
• the semi-casing E' consists of a hollow body 59, in which there are provided two long supports y* 1 and z xl , parallel to each other, situated close to an upper border a x " of the body 59.
• the support y 1 has six short transversal walls located parallel to one another, which at the lower side, two by two of them delimit some portions c x " in the support y* 1 , said portions being placed in front of three recesses d x " machined in a body 60 of the semi-casing F.
• Two by two the walls b x " are in connection with one of some walls e x ", wherein there is provided an opening f x ", intended to placing the children protection, not represented in the figures.
• the support z xl has six transversal short walls h x ", located parallel to one another, which, at the lower side, two by two of them delimit some portions i x " in the support z xl , said portions being placed in front of three recesses d x ". Two by two of the walls h x " children protection therein.
• the support z l has two narrow shoulders l x ". In front of each recess d XM the body 60 has two narrow shoulders m x ".
• each lamella 61 partially enter a receiving enclosure p x " through two elongate slots q XM , placed diametrically opposed, machined in a thin cylindrical wall r*" having an 18 mm height.
• the enclosure p XM is delimited by a lower wall x x ", wherein there are provided two through holes y*" for passing the terminals 5 and 6 therethrough, two elongate slots z x " preferably having the longitudinal axes slightly curved, placed diametrically opposed, wherethrough there pass two guides a xl " of a body 63 of a free platform H', guided at the lowerside, said platform being with self-blocking in the upper position.
• Each guide a xm has two resilient lower arms which are integral with an upper flat portion c x,M of the body 63. Between the arms b xl " there is provided an upper circular cutout continued with a slot e xl " open at the lower side.
• An arm b xl " has a lower portion having the shape of a trapeze with the small base arranged towards the lower side, both small bases and the width of the slot e xl " having a length smaller than the length of slots z x ".
• the portion f xl " is continued with a lower intermediary rectangular portion g XMI under which there is a lower blocking shoulder h xl ".
• the summed amount of the widths of the long sides of the portions g xl " and the width of the slot e xl " is equal to the value of the upper portion of the guide a xl " and with the length of the slot z XM , respectively.
• the portion g xm is continued with a trapeze-shaped middle, intermediary portion j xm with the long side placed towards the upper side, which is common to the small side of a trapeze-shaped upper intermediary portion k xl ".
• the flat portion c xl " has an upper border m xm , wherein there are provided two cutouts n xl ", that are located in front of the lamellas 51 and that are bordered by an active outline surface o xl ", in the shape of a sphere sector with the large base situated towards the upper side.
• the border rn XMI follows externally the outline of body 63 and to the inner side it has a cylindrical shape with a depth of 1 ...2 mm.
• a lamella t x " has an active surface q XIM consisting of a lower flat portion r XIM , inclined by an angle ⁇ in relation to the horizontal, placed in front of a soleplate s xl ".
• the portion r xl " is continued with a concave upper portion t XIM , having a concavity value equal to that of the concavity or portion v lx which in the cross-section is convex and has, at the upper side, the shape of an arc of circle with a 2...6 mm radius and which is curved in the shape of an arc of circle with the radius of 17...24 mm, and the length of the chord of the arc of the circle has a value equal to 1.8...2.2 times bigger than the length of the portion r 1 that is of 4...7 mm.
• the value of angle n between the tangent in an upper point u xlll of the portion t xl " with the vertical has a value of 24
• the body 52 has two narrow lateral lower guides, continued to the rear side with two wide short guides z xl ", with some shoulders a xlv therebetween.
• the multiple power outlet is power supplied from a low-voltage power network, then initially, a plug D is located in front of an enclosure p x ", and the terminals 5 and 6 are guided by the border m xl " and directed to the holes p xl " of the platform H', which subsequently is moved downwards, by pressing the plug D, that has as a consequence the movement of the lamellas t x " to the outer side of the enclosure p x ", under the conditions in which the guides a xl " with the arms b xl " are introduced through the slots z x ", wherein they are blocked by the shoulders h xl ", and the prominence !
• the extractors G' are pressed by two fingers of a hand, so that the front pieces b xlv are moved towards the inner side of the enclosure p x ", lifting the platform H' with a force and in a time with relatively low values and safely, until the plug D is taken out.
• the power outlet according to the invention in another constructive variant is a type "F" mobile multiple power outlet, having at least two posts, with earthing, situation in which the embodiment is presented for a movable multiple power outlet with three posts, which consists of two semi-casings and J', namely a lower one and an upper one.
• the lower semi-casing consists of a hollow body 64, wherein there are provided some supports c xlv , placed two by two in a face-to-face arrangement, and under each support c xlv there is mounted a resilient lamella 65 having two profiled ends e xlv , which run through two narrow slots f xlv , machined under and in the immediate vicinity of a support c xlv .
• the lamella 65 has a profiled prominence g xiv and it is provided with a through hole xlv , delimited by a wall with thread, placed in front of a through hole i xlv , machined centrally in the support c xlv .
• a support c xiv is delimited by two transverse walls k xiv and a front wall I XIV , and in the latter there is provided a recess m xlv .
• the upper semi-casing J' has a hollow body 67, wherein there are provided some recesses o x,v , under which the supports c xlv are placed.
• the recesses m xiv placed two by two in a face-to-face arrangement allow the mounting of a children protection, situation not represented in the figure.
• some semi-holes p xlv and q xlv come face to face and allow to pass therethrough a cable for power supply from a power network, situation not presented in the figures, and some "U"-shaped earthing lamellas 68, whose arms enter through some slots r ⁇ 7 into a receiving enclosure s xiv , delimited laterally by a thin wall t xlv , having a height of 18 mm, and at the lower side by a wall u xlv .
• the border c xv has two recesses e xv placed diametrically opposed, in order to pass in front of the arms of the lamellas 68 and follows at the outer side the outline of the body 69, and at the inner side has a cylindrical shape and has a depth of 1 ...2 mm for guiding the terminals 5 and 6 .
• Each resilient guide a xv has two lower long resilient portions f xv separated by a channel g xv , provided with one of some blocking lower shoulders h xv .
• portions b xv there are machined two through holes i xv placed in the middle, diametrically opposed for introducing the terminals 5 and 6 therethrough.
• a lamella w xiv belongs to a rear portion j xv which together with another anterior portion k xv with impression, constitutes a body 70 of the extractor L' and has an active surface l xv consisting of two portions m xv and n x , namely an inclined lower flat one, and a concave upper one.
• the latter is constructively identical to the portion v* v and it is convex in the cross section and it has the shape of an arc of circle with a 2...6 mm radius and in the plan it has the shape of an arc of circle, with a 17...24 mm radius, and the length of the chord of the arc of circle has a value of 1.8...2.2 times bigger than the length of the portion m xv ' which is of 4...7 mm.
• the portion m xv is inclined by an angle ⁇ in relation to the horizontal and it is placed in front of a soleplate o xv .
• the value of the angle n between the tangent in an upper point p xv of the portion n xv in relation to the vertical has a value of 24...26°.
• a recess t* y Between the soleplate o xv and a lower wall q xv of the body 70 there is provided a recess t* y , and to the front side the wall q xv has a front open recess, which together with the recess r allow the mounting of a children protection, situation not represented in the figures.
• the body 70 has two rear long narrow lateral guides t xv and u xv and two anterior short flat guides u xv , respectively, with some shoulders v* v for limiting the extractor travel L' provided therebetween.
• the multiple power outlet is power supplied from a low-voltage power network, thereafter a plug D is placed in front of the enclosure s xlv , and the terminals 5 and 6 are guided by the border c xv and directed towards and into the holes i xv of the platform ', which is moved downwards, by pressing the plug D, which has the consequence of moving the lamella w lv to the inner side of the enclosure s xlv , under the conditions in which the guides a xv of the platform K' enter the holes z xlv , being blocked in the wall u xlv by means of the shoulders xv .
• the platform K' is positioned and retained by the screws 66 that are partially lifted and partially enter, with the ends j xlv , into the holes w xv , until the terminals 5 and 6 are introduced into the holes i xv . Then, by the permanent contact between the surface d xv and the active surfaces ! xv of the lamellas w xlv there takes place a relatively rapid continuous smooth movement downwards, into the enclosure s xlv , of the platform ' and the movement outwards of the extractors L'.
• the extractors L' are pressed by two fingers of a hand, so that the front parts x xv are moved towards the inner side of the enclosure s xlv , lifting the platform K' by a force and in a time with low values and safely, until the plug D is taken out.
• the screw 66 passes through the whole hole w xv , blocking the extractors L', and the platform K' is
• all the bodies 13, 57, 21 , 45, 63 and 69 of the platforms H, D', K, V, H' and K' are made of a dielectric plastic material consisting of a polyamide and, preferably, of polypropylene, such as polypropylene PA6. From the same material selected for manufacturing the bodies 13, 57, 21 , 45, 63 and 69 there are also manufactured the bodies 12, 19, 26, 35, 41 , 52, 56, 62 and 70 of the extractors I, L, N, Q, U, Z, C',G' and L', in order to prevent, to a great extent, the wearing thereof during the operation, with direct consequences in respect of maintaining relatively low values of the pressing force and of the extraction time.

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