Braking element support
SUBSTANCE: braking device for canvas blind drive comprises support element, friction braking element and coupling ring. Support element has mounting seat wherefrom braking element extends. Braking element can displace between first position whereat it stays in surface contact with clamping ring and second position braking element and clamping ring are spaced apart. Braking element and support are provided with locking appliance to retain the former locked on the latter. Locking appliance represents a convex zone of mounting seat edge that surrounds braking element perimetre. Said convex zone is directed towards the support center. Canvas blind drive comprises aforesaid braking device.
EFFECT: higher drive efficiency.
7 cl, 7 dwg
The invention relates to a reference parts for brake friction element, in particular for drive roller blinds, awnings and the like.
Known friction brake device for actuators roller blinds (which, as an example and for simplicity, there are links in the future), these devices are used for braking and/or deceleration of rotation of the roller due to the weight roller blinds, which are wound around it. An example of such devices is described in utility model Italy room 0000227599 where the end of the motor shaft is placed inside a cylindrical seat in the sleeve, coaxial him and made in one piece with the supporting detail for the brake element is made of a material which has a high coefficient of friction.
The sleeve has two side through holes, which are diametrically opposite to each other and which are connected with a cylindrical seats, while the end of the shaft has diametrically through hole, such that when the end is inserted into the cylindrical seat of the sleeve, the opening end of the shaft and the sleeve hole can be aligned relative to each other, and they can be placed rod that zapressovyvajutsja in the hole in the shaft end. The stem protrudes from the opening end of the shaft and gears inside the hole at back the Oia sleeve, allowing you not only to transmit rotary motion between the shaft and the supporting detail when putting the shaft in the movement, but also to shift the support piece along the axis of the shaft due to the pressure of the rod in the axial direction correspondingly shaped walls of the holes inside the sleeve.
Axial displacement of the support piece causes the brake element to come into contact or out of contact with a fixed surface. When the shaft is in motion, it forces you to turn the rod, which, acting on the shaped wall hole sleeve, pushes the support piece and the brake element from the stationary surface, and thus the shaft can be rotated freely. When the shaft is at rest, the spring causes the support piece and the brake element against the stationary surface, blocking them, and, consequently, shaft and roller blind.
It is obvious that the braking action of the system depends on the friction created by the contact between the brake element and the surface. Friction depends on the materials used and the sizes of the two contacting surfaces. Commonly used brake materials have a high coefficient of friction and a high capacity for heat dissipation, but are very fragile. In addition, it is necessary to note that inside the tubular motor is available t is like small space which does not allow you to use the brake elements is large in size. Small area of contact surfaces limit the braking action.
For the system to be effective, the brake element must be rigidly connected with the supporting part, so that between the two parts was no relative slippage, while the braking action should be localized exclusively between the brake element and a stationary surface.
The above-mentioned utility model number 0000227599 does not describe any means for locking the brake element on the support piece, and it does not mention the problem, consisting in the fact that when using the above constructive solutions to the brake element slides on the supporting part, with resultant wear and/or failure of a supporting part or the brake element.
Commercial drives improvement applies, providing that the surface of the support piece are small rods, and brake element are formed corresponding seats or holes, to ensure mutual blocking action using the forced engagement. Seats, which often represent through holes, greatly reduce the area of the friction surface of the brake element (decrease thermotropically) and create a structurally weakened zone, in which concentrates a large number of voltage due to the forces exerted by the rods. It is in these zones are formed cracks and there are faults during the operation of the braking motors high power.
The aim of the present invention is to provide a brake device which does not have the disadvantages of the prototype.
This goal is achieved by the supporting part having a surface for mounting brake friction element, and this surface has locking means for locking the brake element, characterized in that the locking elements are made in such a way as to hold the brake element at least along a section of its peripheral edge. The main distinctive feature of the devices is a way to lock braking element with the specified brake element is forcibly rotated as a unit with the supporting part due to the gripping action of the locking elements on at least one section of the peripheral edge (i.e. on the outer or inner edge, if available) of the brake element.
Thanks to this solution it is possible to avoid weakening the braking element holes and to maintain maximum surface area, which corresponds to a greater braking action. As the brake cell battery (included) the t is not subjected to internal loads, it has longer service life and more reliable.
The advantages of the device according to the invention will be shown more clearly in the following description of a preferred variant of the invention with reference to the accompanying drawings.
Figure 1 - view from the spatially separated parts parts of the drive roller blinds, containing the device according to the invention.
Figure 2 - view of the drive components in figure 1 in the collection.
Figure 3 is a front view of the support piece according to the invention.
4 is a side view of the support piece shown in figure 3.
5 is a view in section along the plane a-a in figure 3.
6 is a axonometric image of the front side of the support piece shown in figure 3.
Fig.7 is a front view of a variant of the support piece and the brake element according to the invention.
Figure 1. shows the components of the device 10 according to the invention, which are placed inside the tubular body (not shown) of the drive roller blinds. These components include a shaft 12 of an electric motor (not shown)coaxial with the tubular housing and supported by suitable bearings 13, only one of which is shown; elastic means 14 (here, spring), which push the support piece 16, which carries an annular brake element 20 made of a material with a high coefficient of friction, in the direction to concatenate the he ring 18 (surface), made of the same material (for example, the material of the brake pads) and fastened on the housing 24, which, in turn, is placed inside the tubular body. The support piece 16 is slidable in the axial direction relative to the shaft 12 between the two positions: a first position in which the brake element 20 is in contact with the clutch ring 18, and a second position in which they are divorced; means 22 of the transmission located between the shaft 12 and the base part 16, contain the rod 50 inserted into the corresponding hole 52 of the shaft 12 in such a manner that it protrudes from both ends by the same amount. General function means 22 (which may be replaced by other, functionally similar elements) is to separate the support piece 16 and the brake element 20 from the clutch ring 18 when the shaft 12 is rotated, leaving them, however, in contact, when the shaft 12 is stationary. Elastic means 14 are pressed on the bearing 13 and the annular ledge 38 of the support piece 16 to push the latter in the direction towards the clutch ring 18; gear gear spindle 26, which is rigidly connected (made in one piece with the supporting part 16 and which passes through the element 20, the clutch ring 18 and the housing 24 to be connected kinematically with gear (not shown).
The device 10 operates following the way. When the motor (and hence the shaft 12) is fixed, the elastic means 14 press the support piece 16 and the brake element 20 to the clutch ring 18, preventing relative rotation of the latter two parts due to mutual friction. The rotation of the spindle 26, is connected to the support part 16, now blocked. As the spindle 26 through a gear connected with roller roller blinds, it keeps it motionless.
When the shaft 12 is rotated, the rod 50 is also rotated, operates inside the supporting part 16 (on the inclined surface 37, which converts the rotary movement into an axial displacement) and pushes it in the axial direction of the elastic means 14, overcoming their resistance. As a result, the element 20 is extended from the ring 18 at a certain distance, giving you the ability to rotate the support piece 16, the spindle 26 and, thereby, the roller roller blinds. It is obvious that the displacement of the support piece 16 and the brake element 20 occurs in both directions of rotation of the shaft 12.
Figure 3-6 shows the construction of the support part 16. It contains all the retaining disk 30 having formed on the surface of the seat 32 with the edge 33, which may accommodate the base of the braking element 20, leaving it protruding from the support piece 16. The edge 33 restricts the seat 32, which keepo essentially annular shape, with the exception of two convex zones 36, which are located diametrically, which is directed toward the center of the disc 30.
As can be seen in figure 1, the brake element 20 has a shape corresponding to the housing 32, and can be inserted precisely into it without slipping through the interaction of convex zones 36 with the response concave zones 20A of the element 20.
From the foregoing it is obvious that the invention eliminates the weakening of the brake element 20 holes and ensures that the maximum braking surface, as the edge 33 holds the brake element 20 along its entire peripheral edge (in this case, the outer perimeter). Obviously, that may be sufficient to hold the brake member along only part of its peripheral edge. Variants of embodiments of the invention provide that the edge 33 may be formed in it ledges, non-convex zones 36, different amounts and forms, not necessarily fulfilled along the edge 33, for example, forming a polygonal seat (and polygonal brake element). An alternative solution involves (round) seat without profiling, and friction and grip provided by the edge 33, which is sufficient to hold the element 20 is fixed, or the use of adhesives to lock it.
Instead of seats in pornos part 16 in the form of deepening possible to use the seat in the form of tabs - see Fig.7. For example, it would be enough to form a flat surface 132 of the support piece 116, corresponding to the lower side of the seat 32 in the previous embodiment, the embodiment, a number of protrusions 136 whose shape and location, if you look at the form in the plan that is similar to the convex zones 36, thereby eliminating edge 33. The action of the support piece 116 on the brake element 120 disposed between the protrusions 136, block rotation remains unchanged. There may be other types of protrusions, as regards their number and form, with the condition that when the brake element is housed inside a seat formed by the protrusions, interaction and/or friction to prevent its rotation relative to the support piece under it, and the braking element acts on the support piece by a sufficient margin to come into contact with the clutch ring (or surface).
Preferred results are obtained when the formation of the protrusions, as shown in Fig.7, along the periphery, cut off by the chord (preferably not diametrically). Thus, the protrusions may be in the form of segments of a circle. With the brake element 120 corresponding form (circle one or more missing segments of a circle on the outside or on mediametrie the chord) is ensured that it will not slide on the support piece 116. In SL the tea element 20 missing segments of a circle have a curved base 20A. In this case, may also be sufficient circular arrangement of the tabs (along the round brake element)that hold the bearing part by means of pressure and/or friction, but not with the interaction.
In the case of the brake element with a Central hole (peripheral) region Central (circular or non-circular) holes can also be used as a locking surface for the locking means.
1. Braking device for a drive system roller blinds or awnings, containing the support piece (16), brake friction element (20) and pin ring (18), the specified reference item (16) has a seat (32), which acts as a braking element (20) with the possibility of displacement between a first position in which the brake element (20) is in surface contact with the clutch ring (18), and a second position in which they are placed, and these brake element (20) and the support part (16) is provided with a locking means (36) for holding the brake element (20) is locked on the support piece (16), characterized in that the locking means is at least a convex zone (36) of the edge (33) of the seat (32)surrounding the outer perimeter of the brake element (20), and specified convex area (36) is directed towards the ru of the support piece (16).
2. The brake device according to claim 1, characterized in that the edge (33) of the seat (32) of the support piece (16) surrounds the entire outer perimeter of the brake element (20).
3. The brake device according to claim 1 or 2, characterized in that the edge (33) of the seat (32) is essentially round.
4. The brake device according to claim 1, characterized in that the brake element has essentially the shape of a circle with one or more missing segments of a circle.
5. Braking device according to claim 4, characterized in that the missing segments of a circle have a curved base (20A).
6. Braking device according to claim 4 or 5, characterized in that the brake element has a Central hole.
7. The drive system for roller blinds or awnings that contains the brake device according to any one of claims 1 to 6.
FIELD: textile, paper.
SUBSTANCE: machine containing the device for the filing the first fibre cloth and placing it on the ring bearing alternately in one direction and in the opposite direction between coaxial circular outer ring and inner-ring, located on each side of the ring supports, to form a transverse first ring canvas. Also the device contains elements to hold cross-ring canvas on the outer and inner ring, a unit for second fibre canvas feeding on the ring support and its installation in the circumferential direction between the outer and inner rings to form a circular second ring of the canvas, a unit for linking and cross-county circular canvases with each other, and a device for driving cross-county and circular canvases to rotate around the axis of the outer and inner rings.
EFFECT: reduction of textile operations and waste production, reduction of production cost.
22 cl, 2 ex, 2 tbl, 19 dwg
SUBSTANCE: in compliance with the first version, guide device comprises hub flange and plate flange. Hub flange has assemblage of plate mounting orifices, plate guide surface and plate mounting surface. Plate mounting orifices are arranged between guide surface and hub axle. Plate flange has hub mounting surface and multiple orifices for jointing to the hub. Plate guide surface engages with hub guide surface to align concentrically the plate with the hub, plate sleeve and plate flange that runs radially outward from the sleeve. Orifices for jointing to the hub are arranged between hub guide surface and sleeve. In compliance with the second version, guide device comprises encased wheel hub, hub axle and flange with lug, and plate. Hub flange is made on hub case. Hub flange has plate guide surface and outer edge. Plate has sleeve and flange running radially. Plate is attached to wheel hub. Plate flange comprises hub guide surface and outer edge. Note here that hub guide surface can interact with plate guide surface to align hub concentrically with plate in assembly. Plate flange is attached to hub flange by fasteners. Plate guide surface is made on lug for female coupling with hub guide surface.
EFFECT: lower mechanical strain and longer fatigue life.
15 cl, 7 dwg
FIELD: machine building.
SUBSTANCE: brake disk comprises flange or splines for it to be attached to wheel hub, working surfaces to interact with brake liners and vent channels. The latter are arranged between working surfaces. Vent channel width A and disk thickness B are selected to satisfy the relationship A/B>0.38.
EFFECT: higher efficiency of cooling, reduced wear, longer life; stable braking.
FIELD: machine building.
SUBSTANCE: brake disk comprises flange or splines for it to be attached to wheel hub, working surfaces to interact with brake liners and vent channels. The latter are arranged between the working surfaces. Transition radius of surfaces that make vent channels exceeds four millimetres.
EFFECT: higher efficiency of braking, reduced coefficient of friction.
FIELD: automotive industry.
SUBSTANCE: invention relates to automotive industry, namely, to disk brakes. Proposed brake disk is made in cast iron and represents a sliding disk of the disk-type brake. Proposed disk comprises outer edges, inner edges and alternating teeth and gaps along the said inner edges. Note here that it incorporates means designed to reduce fracture formation caused by irregular characteristics of the brake disk elongation. The disk features zones with reduced material thickness in every tooth, as compared with that along the radius outside the gaps between teeth, and has no similar thickness reduction on gaps between teeth. Aforesaid material thickness reduction zones formed in disk casting are located in transition between teeth and main part of brake disk, and pass partially along imaginary circumference with radius of the gap lower parts. Aforesaid zones represent either zones not forming through holes, or zones representing axial openings or holes. Arc-like transition parts with adjacent teeth and or rectilinear or almost rectilinear part between the said transition parts form lower part of every gap. Each transition part features radius R, while rectilinear part length is smaller than 1.5R.
EFFECT: reduced risks of fracture formation, higher strength.
10 cl, 3 dwg
SUBSTANCE: invention relates to automotive industry, particularly, to clasp brakes. The propose clasp brake incorporates a caliper enveloping one or more brake plates, a hub or a part linked up wit the hub. Spreader bars are arranged between the brake disk and hub or the part linked up wit the hub. The spreader bars are arranged to prevent contact between brake plate spline end faces and the hub spline end faces, or the part jointed to the hub, at whatever radial shift of the brake plate relative to the hub or the part jointed thereto. At least, one part of the spreader bar features such sizes and rigidity relative to the brake plate, hub or part splines that, at whatever radial shifts of the brake plate to the hub or part jointed thereto, all radial forces are transmitted from the brake plate to the hub or the part jointed to it only via, at least, one part of the spreader bar. The sizes are selected so as to provide a contact between the brake plate spline end faces those of the hub or the part jointed thereto in rotary engagement between the brake plate and hub or the part jointed thereto to transmit rotary motion in braking.
EFFECT: damping radial impacts or radial shifts between brake plate and hub, particularly, between end faces of appropriate splines.
13 cl, 9 dwg
SUBSTANCE: clasp brake incorporates a caliper with one or more brake-shoe linings surrounding one or more brake disks. One of the brake disks slides on over the central part representing a hub, sleeve or the like part. The said central part is fitted on the wheel axle or the like part. The disks are coupled with the central part with the help of teeth, splines or the like parts so the disks cannot rotate but are fitted to slide on along the axle. The contact parts of the teeth or the like parts of at least one disk and/or of the central part feature an arc-like shape if seen along the wheel axle. The contact parts represent the parts of the teeth surfaces to be engaged with each other with the brake released. The said contact parts of every tooth and/or spline of the said central part feature the arc-like shape with the total arc length exceeding 360°/Z, and preferably larger than 2(360°/Z), where Z is the number of teeth of the disk and central part respectively.
EFFECT: reduced noise and vibration with brake released, higher wear resistance in interface between brake disks and central part.
15 cl, 13 dwg
FIELD: mechanical engineering; vehicle multiple-disk brakes.
SUBSTANCE: proposed brake disk contains friction member made of carbon composition with rectangular slots uniformly spaced over circumference in each of which two metal U-shaped load-bearing clamp-like inserts are fitted. Each such clamp engages by walls with side surface of slot and end face surfaces of friction member, being secured on disk by rivets. At least two vertical cuts pointed to each other and displaced relative to each other are made in each clamp on walls in contact with end face surfaces of friction member. Cuts are made to provide elastic deformation of clamp and its mounting on friction member with preload to guarantee locking of clamp to prevent its turning relative to axis of rivet.
EFFECT: improved reliability and increased service life of disk owing to prevention of destruction of friction member made of monocarbon under action of thermal, power and vibration loads.
FIELD: mechanical engineering.
SUBSTANCE: disk brake comprises support that is rigidly connected to the brake and embraces one or more brake disks, at least one stop plate, and set of braking linings. The brake disks are mounted on the rotating hub without permitting rotation with respect to the hub and for permitting movement in the axial direction with respect to the hub by means of springs for transmitting brake moment from the brake disk to the hub. The braking linings are mounted for permitting movement in the axial direction inside the support that undergoes loading on the brake linings. The support has an opening through which the brake lining can be inserted or removed.
EFFECT: enhanced reliability.
13 cl, 15 dwg
FIELD: mechanical engineering.
SUBSTANCE: surface of the rotor is subjected to electric-spark grinding or electro-erosion treatment. The part of the rotor of the braking mechanism to be treated by electro-erosion is made of a conducting material, preferably of ferrous metal, iron, and gray cast iron. The braking disk of the rotor is solid or ventilated.
EFFECT: enhanced reliability.
60 cl, 4 dwg
SUBSTANCE: swiveling device is designed for door of vehicle with wall where opening is made framed by part of side wall which opening contains outer edge and inner edge perpendicular to outer edge. The mentioned part of wall has hollow opening in inner edge between outer side bead which runs along outer edge and opposite side bead. Swiveling device contains U-shaped joint, the first end of which is rigidly connected with door and the second end installed on axis in the hollow near outer side bead. The door is made capable to swivel around axis between closed position when closes opening itself and when U-shaped joint is at least partially in the hollow and open position when the door is retracted from opening and when U-shaped joint is at least partially pulled out of the opening. In closed position the door is spaced from wall, while the hollow is opened and the first end of U-shaped joint is near opposite side bead. Swiveling device contains flexible strip connecting sideward the side bead and the first end to seal the said hollow in closed position.
EFFECT: implementation of hollow and U-shaped joint covering by flexible strip when door is in closed position; and when strip colour matches vehicle body colour contrast between them becomes less visible than contrast between L-shaped joint and body.
7 cl, 2 dwg
FIELD: machine building.
SUBSTANCE: erection screw is used for fixation of accessory details, particularly of details of loops, to profiles, which allows at least one fixing wall, to which it is adjoined accessory detail, and passing in parallel fixing wall the second wall. Screw contains allowing external thread worm gear portion, which is threaded into opening in fixing wall, and bearing part, which is co-axial to worm gear portion and which is introduced into opening in the second wall. Worm gear portion and bearing section are connected to each other so that total length of erection screw is adapted to distance between fixing wall and the second wall of profile. Bearing part is provided for threadless interaction to opening in the second wall.
EFFECT: simplicity and security of attachment of accessory details to profiles, which differs in distance between fixing wall and the second wall.
8 cl, 3 dwg
SUBSTANCE: butt hinge plate for plate of hinged connection of leaf and frame includes hinged part containing a tubular section and attachment part that is rigidly connected to hinged part. Side surface of tubular section includes a flattened area passing along some part of external periphery. There is permanent connection between attachment part and hinged part in flattened area. In flattened area there provided are slots and ribs passing parallel to hinge axis. Narrow side of attachment part, which forms permanent connection with hinged part, is fitted to the shape and location of slots and ribs. Manufacturing method of butt hinge plate involves the following steps: cutting of workpiece for hinged part of butt hinge plate from tubular material; cutting of workpiece for attachment part from flat material, flattening of some part of external tubular section periphery in order to form flattened area, provision of slots and ribs, which pass parallel to hinge axis, in flattened area, and fitting of narrow side of attachment part to be rigidly connected to slots and ribs, and providing fixed connection between attachment part and hinged part.
EFFECT: peculiar features of manufacture of this hinge are simplicity and economy.
7 cl, 4 dwg
FIELD: construction industry.
SUBSTANCE: device intended namely for hinge is fixed in the slot with undercut of metal or plastic window or door profile, or their frames. Device has the first protrusion entering the first slot undercut, and at least one clamp member having the second protrusion which, at the protrusion entered the first undercut, enters the second undercut lying opposite to the first undercut. The second protrusion when in position to enter the second undercut is pressed to the surface restricting the second undercut on external side.
EFFECT: designing the device which could be fixed on the profile with simple method thus providing more reliable installation.
20 cl, 35 dwg
FIELD: instrument making.
SUBSTANCE: proposed element, designed to attach furniture to metal window and door cases, comprises one-piece metal casing with the central cylindrical part, furnished with inner threaded hole, and insert truncated-cone part, its diametre decreasing from that of the said central cylindrical part to its one end. It incorporates also the locking part including circular neck restricted the ledge with diametre exceeding that of the central part. The ledge outer diametre is jointed to the central cylindrical part with the help of aforesaid truncated-cone part. The fist row of through lengthwise cutouts passes along a section of the central cylindrical part and insert part. Aforesaid holes define the first section elastically deformed into relatively not deformable structure, staying at the state of rest. The second row of the like cutouts passes along a section of the central cylindrical part and locking part. Aforesaid holes define the second section elastically deformed into relatively not deformable structure, staying at the state of rest.
EFFECT: reduced time of fastening self-tapping bolt into metal section, elimination of possible strain in window and door cases in tightening said bolt.
4 cl, 6 dwg
SUBSTANCE: hinge for doors, windows and similar components is intended for mounting on flap of frame structure that has profile slot with surface of side recesses. At least one part of hinge, comprises fastening element with contact surface to seat on the said profile outer surface, fastening plate with locking surface to seat on the profile slot side recess surface and, at least, one clamping screw. The said screw passes through the hole in the fastening element and is screwed into the locking plate threaded hole to draw in the locking surface to against the profile slot side recess surface for the hinge joint to be made. The hinge comprises appliances that ensure geometrical match between locking part and profile.
EFFECT: hinge with increased confining force intended, preferably, for heavy flaps.
7 cl, 3 dwg
SUBSTANCE: hinge is provided with at least one hinged part to be installed in the opening made in the thin wall, for example metal-plated cabinet doors, and head part such as flange or hinge extension. Head part overlaps the opening edge on the external side of thin wall. The body stands apart from head part and may be moved with pressure through the opening in the thin wall. Holding part is situated on the body and provided with support at the rear side of the thin wall not forming the integral part of the body. Holding part is formed by fastening elements projecting so that they can bend in the direction from the body to its external surface. Free end of holding part is provided with sloping surface to ensure backlash-free support for the body at opening edges.
EFFECT: easy installation and automatic adjustment to different thickness of metal plates.
29 cl, 108 dwg
SUBSTANCE: invention is referred to manufacture of leaf hanging tools. The furniture includes hinge plate and counterplate. The glass forming a leaf of the glass door is provided with cut where door furniture is inserted. The door furniture is provided with lighting device installed in the above glass cut.
EFFECT: development of optical and visual effects, effective protection of the lighting device from external influence.
7 cl, 3 dwg
SUBSTANCE: loop unit includes vertical stand with hole, rotation element, holed wall bracket for axle fixed on rotation element and axle. Axle is made with unbent end having at that G-shaped form. Rotation element contains hole made in plane of its rotation. Wall bracket is fixed on rotation element so that rotation element holes and wall bracket are located concerning each other. Radial groove made on wall bracket provides axle unbent end fixation. Axle fixation provides support in form of lobe turning axle unbent end. Axle is located in hole of box frame or safe with the help of plug.
EFFECT: technology improvement of loop unit construction and decrease of net cost of its production.
3 cl, 5 dwg
FIELD: wing suspension devices, particularly hinges.
SUBSTANCE: hinge assembly comprises the first hinge and the second hinge connected with each other through pin. Pin includes the first and the second parts fixedly connected to the first hinge. The second hinge includes central part and at least one insert, which create support surface between pin part and central part. Pin part and insert retain the first and the second hinges so that the hinges are spaced apart, which results in creation of hinge assembly with bearing pin.
EFFECT: increased simplicity of surface hinge assembly surface treatment.
9 cl, 6 dwg
FIELD: suspension devices for doors, windows and so on, particularly means for attachment thereof.
SUBSTANCE: fittings are secured to profiled rod having profiled slot formed on connection side thereof. The slot is opened from outer side and has edges facing one another and defining an orifice. Fittings have clamping member, which may be pressed to fastening device by means of at least one attachment member passing through profiled slot orifice. Fastening device 40 includes at least two parts 50, 60, which are formed so that the parts may be inserted in orifice 8 of profiled slot 4 and positioned so that parts 50, 60 engage one edge 7 of the slot 4.
EFFECT: increased mounting ability.
14 cl, 10 dwg