EP0761920A2 - Window/door with pivot and/or tilting fitting - Google Patents

Abstract

A window or door with pivot or tilt mechanism has locking elements, at least one of which has an entry slot (25) which is rigidly connected to the control rod (8) of the fitting (6) and operates in the tilted and locked positions. A mushroom bolt (9) aligned to this locking element, is also rigidly located at this point. This locking element is attached to the cover slide (7) of the fitting at least over the length of the entry slot, and is also fixed to the control rod. The control rod and the cover slide are located on a securing plate (13) behind the fitting groove (5) and against the door or window frame.

Description

The present invention relates to window / door according to the preamble of claim 1.

Such a window is known for example from G 93 08 472 or EP 94 107 819.

The object of the present invention is to further develop the known window so that even more secure protection against prying out of the casement is achieved by providing additional locking pairs. This object is achieved in the window / door mentioned at the outset by the features of claim 1.

Advantageous further developments result from the subclaims.

Fig.1

ein erstes Ausführungsbeispiel der Erfindung,

Fig.2

einen Querschnitt der Darstellung gemäß Fig.1 entlang der Linie II-II,

Fig.3

eine Detailansicht der Darstellung gemäß Fig.1 mit Deckschiene, Treibstange und Hintergreifplatte,

Fig.4 bis 7

weitere Variationsmöglichkeiten der Erfindung,

Fig.8

Einzelheiten zur Hintergreifplatte,

Fig.9

Querschnittsansicht eines Fensters/einer Tür,

Fig.10

ein Ausführungsbeispiel mit Sicherungsplatte fest mit der Treibstange verbunden,

Fig.11

ein Ausführungsbeispiel mit Sicherungsplatte fest mit der Deckschiene verbunden,

Fig.12

Sicherungsplatte mit Verzahnung entlang ihrer Längskanten, und

Fig.13

Ansicht eines Fensters/einer Tür.

The invention is explained in more detail below on the basis of exemplary embodiments. Show it:

Fig. 1

a first embodiment of the invention,

Fig. 2

2 shows a cross section of the illustration according to FIG. 1 along the line II-II,

Fig. 3

2 shows a detailed view of the illustration according to FIG. 1 with cover rail, drive rod and rear gripping plate,

Fig. 4 to 7

further possible variations of the invention,

Fig. 8

Details of the back plate,

Fig. 9

Cross-sectional view of a window / door,

Fig. 10

an embodiment with locking plate firmly connected to the drive rod,

Fig. 11

an embodiment with locking plate firmly connected to the cover rail,

Fig. 12

Locking plate with toothing along its longitudinal edges, and

Fig. 13

View of a window / door.

Unless otherwise stated below, the following description always applies to all figures.

Fig. 13 shows a window / door with a so-called turn-tilt sash. The sash 1 is tiltable about a lower horizontal axis 30 or rotatable about a vertical axis of rotation 31 on the frame 11. To define the respective axis of rotation, so-called locking pairs 32 between frame 11 and sash 1 are provided. Each of these locking pairings 32 consists of individual locking partners, one of which sits on the frame 11 and the other locking partner on the sash 1. Depending on the locking partners engaged, either the horizontal tilt axis or the vertical axis of rotation of the window / door is defined. Which of the locking pairings is in engagement is specified by rotating the handle 33 on the sash frame in connection with a known turn-tilt fitting.

In this way, in the tilted position, the lower locking pairings 32 engage, in the rotational position none of the locking pairings is engaged, in the closed position all locking pairs are engaged.

The locking pairings 32 in engagement are formed from a mushroom pin 9 which interacts with an associated entry slot 25 on the other frame part. This is done in that mushroom pin 9 and entry slot 25 are movable relative to each other in the longitudinal direction of the entry slot. The mushroom pin 9 can therefore enter the opening slot 25 from the open side thereof. The mushroom head-like end of the mushroom pin 9 engages behind the entry slot 25 in such a way that the sash 1 is reliably held when trying to pry it open via the tension-proof connection between the mushroom pin 9 and the entry slot 25.

It is therefore essential that a coherent train connection is created between the sash frame 1 and the frame 11, which, in particular in the tilted position, prevents the sash frame 1 from being levered out of its predetermined position on the frame 11.

This is known per se (see EP 94 107 819).

However, what is special is the special interaction of the locking partners, which will be discussed in the following with reference to FIGS. 1 to 3. 1 shows a section of a window / door. The entire frame is made of hollow plastic profiles. At least the frame 11 additionally shows a metal reinforcement 34 which is continuously inserted into a cavity of the frame 11. A so-called striker 10 is attached to the air gap side 35 of the frame 11 and is firmly connected to the frame 11. Here, the striker 10 is advantageously screwed with continuous screws against the frame 11, the screws in particular also penetrating the metal reinforcement 34 and in this way firmly anchoring the striker 10 on the frame 11. In contrast, the sash 1 has the hardware groove 5 here. The window fitting 6 is inserted in the fitting groove 5. Such window fitting 6 consists of a cover rail 7 and a drive rod 8 which slides along the cover rail 7. The drive rod 8 is, as is known per se, set in motion via the handle 33 and thereby moved along the cover rail 7. The drive rod 8 in turn drives a locking partner 12, which is assigned to the striker 10. The locking partner 12 is therefore rigidly connected to the drive rod 8. For this purpose, the cover rail 7 has 8 elongated holes 37 in the connection area between the locking partner 12 and the drive rod 8. These elongated holes 37 are from drive rod bolts 36 enforced. In this way, a rigid connection is created between the drive rod 8 and the locking partner 12 on the drive rod, by means of which the locking partner is moved synchronously and in the same direction with the drive rod 8 when the handle 33 is actuated. The securing plate 13, which is supported in a suitable manner behind the fitting groove 5 against the sash frame 1, is used here for the additional attachment of the fitting 6 to the sash frame 1. This will be discussed later. At least the securing plate 13 is arranged so that it engages behind the fitting groove 5. It is also essential, however, that depending on the actual installation conditions between sash 1 and frame 11, a securing plate 13 is not absolutely necessary. In any case, the use of the securing plate 13 creates additional security against prying open the sash 1. This will be discussed further.

What is essential now is the special design of the locking pairings alone or preferably in combination with the fastening of the fitting to the sash frame by means of a securing plate 13.

For this purpose, it is provided that of the locking partners 10, 12 of the locking position and the tilting position, at least one of the locking partners 12 with an insertion slot 25 is rigidly connected to the drive rod 8 of the fitting 6. This locking partner has an associated mushroom pin 9 on the frame 11. Entry slot 25 and mushroom pin 9 are movable relative to one another in order to allow the mushroom pin with its hat to engage behind the undercut region of the entry slot 25 either in the closed position or in the tilted position.

This rear grip alone makes it considerably more difficult to pry open the sash even in the tilted position, since for this purpose the fitting would have to be torn out of its fitting groove 5 in the sash.

This is an essential aspect of the invention. The locking partner with the insertion slot must extend over a relatively large length on the fitting, at least the length of the insertion slot 25. The locking partner with the insertion slot 25 is connected to the drive rod 8 of the fitting 6, preferably laid flat against the cover rail. The large extension length of this locking partner 12 along the cover rail 7 additionally reinforces the fitting 6 in this area, since the locking partner 12 in question is seated on the drive rod 8 and additionally acts as a longitudinal reinforcement of the drive rod 8. As a result of the thickening of the drive rod 8 at this point with the interposition of the cover rail 7 over the length of at least the insertion slot 25, the fitting 6 is additionally reinforced to be rigid.

In the area of this longitudinal reinforcement of the drive rod 8, in a further development of the invention, the rear locking plate 13 should also be arranged. This results in a large-scale distribution of the supporting forces from the securing plate 13 to the areas of the sash frame 1 that are gripped behind, so that immense force is necessary to destroy this area of engagement.

To complicate this possibility, it can therefore additionally be provided that the fitting, consisting of drive rod 8 and cover rail 7, is held at least in the longitudinal region of the locking partner 12 attached to it with an insertion slot 25 by means of a securing plate 13 engaging behind the fitting groove 5. This locking plate 13 engages behind the plastic profile of the casement 1 and is connected in the direction of the frame 11 either with the connecting rod 8 or with the cover rail 7 of the fitting 6. In this way, the securing plate 13 can be supported in the area behind the sash frame 1, provided that when the sash frame 1 is pried open, the mating mushroom pin insertion slot (9-25) is loaded in the pulling direction. For this reason, the sash frame 1 struck in this way forms a structural unit with the frame 11 that can only be separated under extreme force. An essential aspect for the best lever protection is therefore the combination of one or more locking partners 12 with insertion slot 25 on the sash 1 and the arrangement of the locking plate 13 behind it in such a way that the connecting rod 8 and cover rail 7 of the fitting are protected not only by means of the locking plate 13 against being pulled out of the fitting groove, but also largely against due to the flatly attached locking partner 12 with the insertion slot 25 Deflection secured.

In principle, the securing plate 13 can reach behind any area of the casement 1. Advantageously, however, a projection of the fitting groove 5 should be gripped. This offers the advantage that known plastic profiles can be used without any modification.

1 and 4 correspond in that the insertion slot 25 and mushroom pin 9 sit raised on the drive rod 8. They form a so-called first closing part. For this purpose, the entry slot 25 and mushroom pin 9 are arranged on a common connecting plate 26. The connecting plate 26 lies with its flat back surface 27 close to the counter surface of the adjacent cover rail 7 and is moved together with the drive rod 8 via the drive rod bolts 36 shown in FIG. 3 and already described. Entry slot 25 and mushroom pin 9 on the drive rod 8 are assigned a further mushroom pin 9 and an associated entry slot 25 on the frame 11. The latter two locking elements sit on a further connecting plate 26 and form the so-called second locking part. Consequently, one of the locking parts is firmly connected to the fitting 6 and the other of the locking parts is fixed to the frame 11. In any case, the insertion slot 25 and mushroom pin 9 of one locking part (4 of the first locking part on the drive rod) must also be arranged between the insertion slot and the mushroom pin of the other locking part (4 of the second locking part on the frame) and be movable between two end positions. In each of the two end positions, the first locking part on the drive rod engages in the second locking part on the frame. An intermediate middle position, shown in Fig. 1,4, is for the first and second Locking part without intervention. In this middle position, the sash 1 can therefore be opened relative to the frame 11.

5 and 6 show further embodiments. In both cases, the closing part 12, which is connected to the drive rod 8, has a laterally open slot 28 into which the mushroom pin 9, which is rigidly connected to the frame 11, can enter laterally. After the mushroom pin 9 has been retracted to a certain extent into the lateral slot 28, it reaches a longitudinal plane in the associated striker 12. Both sides of the side slot 28 extend in this longitudinal plane to both longitudinal directions of the fitting 6, the insertion slot 25, as described above. If the striker 12, which is connected to the drive rod 8, is in the middle position shown, the sash 1 can therefore be opened or closed with respect to the frame 11. If the sash 1 is closed, the drive rod 8 is then set in motion via the handle 33. The striker 12 is driven accordingly and the associated mushroom pin 9 on the frame 11 can move into the associated entry slot 25.

The difference between Figures 5 and 6 is that only one mushroom pin is provided in the case of Figure 5. This mushroom bolt therefore interacts with a different entry slot 25, depending on the rotational position or the tilting position of the casement 1. In contrast to this, FIG. 6 shows that two mushroom bolts are provided, which in turn are arranged on a common connecting plate 26. In this case, only one mushroom bolt acts either for the closed position of the window sash or for the tilt position. The side slot 28 must, however, be correspondingly wider. This also has the advantage that the striker 12 is attached to the fitting 6 on the casement with a correspondingly larger contact area. Therefore, the fitting 6 is additionally reinforced against deflection.

7 also shows that a closing part 12 can be attached to the drive rod 8, which has two entry slots 25 which are open at the end. In this case, a pair of mushroom bolts 9 is rigidly connected to the frame 11. One of the mushroom bolts works in the closed position and the other mushroom bolt in the tilted position cooperates with one of the insertion slots. In order to achieve increased stability here, too, it is proposed to arrange both mushroom bolts 9 on a common connecting plate 26.

As already mentioned, the relatively large contact area between the striker 12 and the fitting 6 counteracts a violent deflection of the fitting. Additional security can therefore be created by the locking plate 13. This issue is discussed in more detail below.

The following Fig. 8 to 12 show a casement, as is known for example for windows or doors. Such sash 1 consists of frame spars 2, 3 which are assembled at right angles in the area of miter points 4. Such frame spars are usually made of plastic profiles, but without restricting the invention to plastic profiles. As is known per se, such sash frames are also made of wood. Furthermore, such wooden frames have become known in which the fitting groove 5 (see FIG. 9) consists of a plastic insert which is screwed tightly to the material of the casement.

As can be seen from FIGS. 1 to 3 and 8.9, the fitting groove 5 forms a longitudinal material recess on the casement 1. The fitting groove 5 has two mutually opposite projections 14, which have the narrowest cross section of the fitting groove 5 define. In the direction of the glass side of the casement, the fitting groove 5 widens behind the projections 14 and thus forms an undercut area.

As is known per se, the fitting groove 5 serves to receive a window fitting 6. Such a window fitting 6 consists of a cover rail 7 and a drive rod 8 guided longitudinally thereon. The cover rail 7 is usually screwed to the base of the fitting groove 5 by means of corresponding elongated holes in the drive rod 8 and held relative to the sash frame. As can also be seen, so-called mushroom bolts 9 are firmly connected to the drive rod 8. Mushroom bolts can also be provided in pairs (see EP 0 628 691), specifically a mushroom bolt for the closed position and a mushroom bolt for the tilting position of the casement. For this purpose, the associated striker 10 has corresponding longitudinal recesses into which the mushroom bolts enter with their stem region, so that the enlarged regions of the mushroom bolts engage behind these insertion slots and thus prevent the sash frame from being levered out. As already mentioned, the cover rail 7 can be fixed in the fitting groove 5 by means of suitable screws. It is specifically provided here as an anti-theft device that the cover rail 7 and drive rod 8 are held on the sash frame by means of a securing plate 13 engaging behind the projection 14 of the fitting groove 5 and that the fitting groove 5 has an entry opening 20 for the securing plate 13 lying outside the holding area 23. In addition, the special case is shown that the securing plate 13 is only provided in the longitudinal region 12 of the locking partner on the drive rod 8.

This results in the advantage that the area behind the mushroom pin 9 on the striker 10, and thus the fixing of the mushroom pin with respect to the frame 11, is given an immediately adjacent and thus correspondingly stable abutment on the sash frame 1. While on the one hand the striker 10 is firmly connected to the frame 11, so that the enlarged area of the mushroom pin 9 is held open against the frame 11, the corresponding counter-bearing of the window fitting 6 is carried out by the locking plate 13, which the projections 14 of the fitting groove 5 reaches out against break-ins.

For this purpose, the enlarged area 15 of the fitting groove 5 receives the securing plate 13, the width 16 of which is greater than that by the projections 14, the width 15 of the fitting groove 5 is reduced.

In the event of a possible attempt to break open, the securing plate 13 rests firmly against the projections 14 and thus prevents the window fitting 6 from being pulled out in the corner area of the window which is sensitive to break-open.

As can be seen in FIGS. 10 and 11, on the one hand the securing plate 13 can be firmly connected to the drive rod 8. It then makes the longitudinal movement of the drive rod 8 within the enlarged area 15 of the fitting groove 5 and is for this purpose mounted with play in the longitudinal direction within the fitting groove 5. 11 shows that the securing plate 13 is firmly connected to the cover rail 7 by means of bolts 17. The bolt 17 breaks through the drive rod 8 in the region of an elongated hole 19, so that the drive rod 8 can move freely from the fastening of the securing plate 13. This variant offers the advantage that additional force has to be used to break out the window fitting 6 in order to destroy the cover rail 7 together with the drive rod 8. The main advantage of this design is that in the event of a break-open attempt, cover rail 7 and drive rod 8 are pressed against one another and practically form an indestructible unit. This unit can practically only be broken open by impossible destruction of the bolts 17, 17a for the securing plate or mushroom bolts.

As can also be seen from the figures, the bolt 17 is mounted with its bolt head 18 in the locking plate 13 in a countersink 24, so that the top of the locking plate 13 is guided in the height direction to the fitting groove with play, which enables smoothness and smoothness.

In addition, FIG. 8 shows that the entry opening 20 for the securing plate 13 is created at the end of the frame spar 2 by a material recess. In the present case, the inlet opening 20 is arranged in the area of the miter point 4, but without restricting the invention. To this The only purpose is to mill the miter area 4 where the hardware grooves of the frame spars 2, 3 meet. The entry opening 20 for the window fitting 6 according to the invention thus inevitably results at the end of the frame spar 2.

In addition, FIG. 12 shows a securing plate 13, which is equipped on two of its opposite longitudinal edges 21 with teeth 22 pointing in the direction of the projection 14. By means of this toothing, the securing plate 13 claws behind the projection 14 when attempting to break open and thus achieves an additional counterforce which counteracts the breaking direction.

In order to achieve the effect of the flat support between the locking partner with an insertion slot on the drive rod 8 and the drive rod, and in this way to complicate the deflection of the drive rod when prying out the sash, several variations can be used.

1 to 7 show that the insertion slot 25 and mushroom pin 9 are each provided on a single locking part. This locking part 12 is rigidly connected to the drive rod 8. It is a component arranged along the drive rod 8. This component has both an insertion slot 25 and an opposite mushroom pin 9. The component can be made of chrome-nickel steel or a similar tough material, for example.

The associated locking part 10 on the frame 11 has a mushroom pin 9 on the side facing the insertion slot 25 of the locking part 12 on the drive rod 8, while the opposite end of the locking part 10 on the frame 11 has one for the mushroom pin 9 on the fitting 6 provided entry slot 25 is provided. Within the clear width between mushroom pin 9 and insertion slot 25 of the locking part 10 on the frame 11, the associated locking part 12 can be moved on the drive rod 8 such that either the right locking pair, the left Locking pair or no locking pair is engaged. These three positions correspond to the closed position of the window, the open position of the window and the tilted position of the window. 5 shows that it can also be provided that only one mushroom pin strikes the frame 11. For this purpose, a base plate 26 can be used, if necessary, in order to obtain a sufficiently large contact surface on the frame 11. In this case, it is additionally proposed that the closing part 12 of the drive rod 8 has a central entry slot 25, from which an entry slot 25 coming into engagement with the mushroom pin 9 extends in a longitudinal direction to the drive rod 8. Three positions are also provided here:
Either the mushroom pin 9 is in engagement with the right entry slot 25, can be freely moved out of the closing part 12 in the middle position, in the left end position with the other entry slot 25. In this way, the closed position, the open position, and the tilted position of the window sash are again realized and nevertheless in the closed position and in the tilted position a tension-proof and lever-proof connection between the sash frame and frame 11.

6 shows, as a further exemplary embodiment, the arrangement of two mushroom bolts 9 on the frame 11. The mushroom bolts 9 span a certain distance between them. Within this distance, a striker on the fitting or on the drive rod 8 of the fitting can be moved such that this fitting, with its ends open to the outside, is either inserted into one of the mushroom bolts or can be moved out in the central position relative to the mushroom bolts. The function of this locking point pairing corresponds to the function described above, if necessary also in combination with a locking plate 13 on the casement frame which engages behind the fitting groove. In this exemplary embodiment too, provision can be made for the mushroom pin pair 9 to be arranged on a common fastening plate 26 which is to be fastened to the frame 11 with a large contact surface.

The fastening of the locking parts on the frame 11 can in any case expediently by screwing with the Such windows are usually made of internal metallic reinforcement. Possibly. can also be provided to increase the pull-out security, screws with increased threads. With such screws, the core diameter is significantly smaller in relation to the nominal diameter in order to allow these screws to engage the corresponding reinforcing zone on the metallic reinforcement profile.

It is essential for the invention that at least one of the locking partners with an entry slot is arranged on the drive rod 8 of the fitting. Since such entry slots require a predetermined length of the associated closing part, namely at least the entry length, the connecting rod 8 of the fitting is disproportionately reinforced in this area against deflection, which means that an extraordinarily high lever protection of the sash frame is achieved with the use of the corresponding engaging locking plate 13.

Reference symbol list:

1

Casement / window

2nd

Frame spar

3rd

Frame spar

4th

Miter point

5

Hardware groove

6

Window fitting

7

Cover rail

8th

Connecting rod

9

Mushroom bolt

10th

Striker

11

Frame

12th

Longitudinal area of the locking partner on the drive rod

13

Locking plate

14

head Start

15

extended area

16

Width of the locking plate

17th

Bolt for locking plate

17a

Bolt for mushroom button

18th

Bolt head

19th

Elongated hole in the connecting rod

20th

Entrance opening

21

Long edge

22

Gearing

23

Stopping area

24th

Sinking

25th

Entry slot

26

Connecting plate

27

Back surface

28

side slit

30th

horizontal tilt axis

31

vertical axis of rotation

32

Closing pairing

33

Handle

34

Metal reinforcement

35

Air side

36

Espagnolette bolts

37

Long hole

Claims (16)

Window / door with turn-tilt fitting, consisting of drive rod (8) and cover rail (7), whereby interlocking locking partners are provided on the lower cross member between the frame and sash frame, both in the closed position and in the tilted position, which consist of opening slots and by means of the fitting there are mushroom bolts movable in the longitudinal direction of the entry slots, one locking partner each being attached to the frame and the other locking partner to the sash frame, characterized in that at least one of the locking partners with the entry position (25) is rigid with the closing position and the tilting position connected to the drive rod (8) of the fitting (6) and the associated mushroom pin (9) is arranged stationary relative to it. Window / door according to claim 1, characterized in that the locking partner connected to the drive rod (8) of the fitting is attached to the cover rail (7) of the fitting at least over the length of the insertion slot and is fastened to the drive rod (8). Window / door according to claim 1 or 2, characterized in that the drive rod (8) and cover rail (7) are held at least in the longitudinal region (12) of the locking partner on the drive rod with a securing plate (13) which is supported against the casement frame behind the fitting groove (5) are, preferably that the locking plate (13) engages behind the fitting groove (5). Window / door according to claim 3, characterized in that the securing plate (13) engages behind a projection of the fitting groove (5). Window / door according to one of claims 3 or 4, characterized in that the casement has an entry opening for the securing plate (13) which is outside the holding area. Window / door according to one of claims 3 to 5, characterized in that the securing plate (13) is fixedly connected to the drive rod (8) and is mounted within the fitting groove (5) with play in the longitudinal direction. Window / door according to one of claims 3 to 5, characterized in that the securing plate (13) is fixedly connected to the cover rail (7) by means of bolts (17) and that the bolt (17) drives the drive rod (8) in the region of an elongated hole (19) breaks through. Window / door according to one of claims 3 to 5, characterized in that the securing plate (13) together with mushroom bolts (9) and striker (10) is arranged in the end region of the associated frame spar (2). Window / door according to claim 8, characterized in that the window fitting (6) ends at the end of the frame spar (2) and that the free end of the window fitting (6) is held there with the securing plate (13). Window / door according to one of claims 5 to 9, characterized in that the inlet opening (20) is produced by a material recess lying transversely to the longitudinal direction of the casement. Window / door according to claim 10, characterized in that the entry opening (20) is located at the end of the frame spar (2) and preferably in the region of the miter point (4). Window / door according to claim 3, characterized in that the securing plate (13) is non-rotatably rigidly connected to the drive rod (8) or cover rail (7) and has a width (16) which corresponds to the clear width of the enlarged area (15) Fitting groove (5) corresponds. Window / door according to claim 3, characterized in that the securing plate (13) is provided on its lateral longitudinal edges (21) facing the projection (14) of the fitting groove (5) with a toothing which engages in the projection (14). Window / door according to claim 1, characterized in that the entry slot (25) and mushroom pin (9) sit on a connecting plate and slide raised on the cover rail (= 1st closing part) and that the assigned button pin and entry slot on a further connecting plate (= 2nd Locking part) sit on the frame, and that the entry slot and mushroom pin of the one closing part between the entry slot (25) and mushroom pin (9) of the other closing part are arranged and movable. (Fig.1.4) Window / door according to Claim 1, characterized in that the locking part (s) (12) connected to the drive rod (8) has two entry slots (25) which are open at the end, and that with the frame a pair of mushroom bolts is rigidly connected, of which one mushroom bolt (9) in the closed position and the other mushroom bolt (9) in the tilted position cooperates with one of the insertion slots (25) and that, preferably, both mushroom bolts sit on a common connecting plate (26). (Fig.7) Window / door according to claim 1, characterized in that the closing part on the drive rod (8) of the fitting has a laterally open slot (28) and a longitudinal slot (25) accessible via the side slot (28) which - starting from the side slot (28) - extends to both longitudinal directions of the fitting (6) and that one or more closely spaced mushroom bolts (9) interact with this longitudinal slot (25), the mushroom bolt (9) which is fixedly attached to the frame (11) ( are), preferably arranged on a mounting plate (26). (Fig.5,6)

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