EP4010545B1 - Device for detachably fastening at least one railing arrangement to a scaffolding element - Google Patents

Description

The invention relates to a device for detachably attaching at least one railing device to a, preferably vertical, scaffolding element, preferably to a scaffolding tube, in particular to a scaffolding post or a scaffolding post, comprising a connecting head and a wedge, for detachably attaching the device to at least one opening for Pushing through the projection having a wedge, preferably in the form of a perforated disc, of the framework element, wherein the connection head can be positively locked to the projection with the aid of the wedge that can be inserted through the at least one opening in the projection to form a detachable connection and can be clamped to the framework element, and wherein the connection head has a connection part and a contact part, which are connected to one another in one piece, and wherein the contact part has contact wall parts that have contact surfaces for contact with scaffolding element outer surfaces of the scaffolding element, and wherein the connection usskopf has a first head part and a second head part which have wedge openings for the wedge which can be inserted or inserted through them and which are connected to one another in one piece, and wherein the first head part has a first wedge opening of the wedge openings for the wedge which can be inserted or inserted through the first wedge opening and has a first contact surface of the contact surfaces of the contact part for contact with a first outer surface of the scaffolding element, and wherein the second head part has a second wedge opening of the wedge openings for the wedge that can be inserted or has been inserted through the second wedge opening and a second contact surface of the contact surfaces of the contact part for contact with a second exterior surface of the scaffold member, and wherein the connector head is defined with a first wall portion containing the first wedge opening when viewed in a first direction and is defined with a second wall portion containing the second wedge opening when viewed in an opposite second direction, and wherein the connection head , viewed in a third direction, preferably perpendicular to the first or second direction, is delimited towards its contact side with the contact wall parts of the contact part and viewed in an opposite fourth direction, towards its connection side, is delimited with a rear wall part of the connection part , and wherein the connection head is delimited in a circumferential direction with side wall parts, and wherein the first wall part, the second wall part, the contact wall parts, the rear wall part and the side wall parts are designed to leave cavities, preferably useful spaces, in particular wedge receiving spaces, and the Ans chlusskopf with its side wall parts, viewed in the third direction, tapers towards its contact side, and wherein the side wall parts have side wall part outer surfaces, which, viewed in the third direction, wedge-like on an imaginary central axis, in particular on a longitudinal axis of the framework element, preferably a stem axis of a scaffolding stem, and which enclose a, preferably acute, wedge angle, preferably of 40 degrees to 50 degrees or 43 degrees to 46 degrees or about 44 degrees or about 45 degrees, and wherein the rear wall part is a rear wall part pointing in the fourth direction - has a surface, and wherein between the first head part and the second head part there is a plug-in slot, which extends as far as the connection part and is open to the contact side and to the side wall part outer surfaces of the side wall parts, viewed in the third direction, for plugging the connection head onto the projection, and whereby the slip-on slot, in the first en direction, is delimited towards the first head part with first slot surfaces of the first head part and, viewed in the second direction, towards the second head part is delimited with second slot surfaces of the second head part, which extend on both sides of an imaginary attachment slot center plane of the attachment slot , and wherein a passage for the wedge is formed between the first wedge opening and the second wedge opening, which passes through the first head part and through the second head part extends under the crossing of the imaginary slip-on slot, and wherein a railing fastening device for detachably fastening the at least one railing device is permanently fastened to the connection part of the connection head, preferably by welding.

According to a preferred embodiment, which relates to the connection head in its position of use, the invention relates to a device for detachably fastening at least one railing device to a, preferably vertical, scaffolding element, preferably to a scaffolding tube, in particular to a scaffolding post or a scaffolding post, comprising a connection head and a wedge for releasably attaching the device to a projection, preferably in the form of a perforated disk, of the framework element that has at least one opening for inserting the wedge, the connection head using the wedge that can be inserted through the at least one opening of the projection to form a detachable connection can be locked in a form-fitting manner with the projection and can be braced with the scaffolding element, and wherein the connection head has a connection part and a contact part which are connected to one another in one piece, and wherein the contact part has vertical contact wall parts which has vertical contact surfaces for contacting the scaffolding element outer surfaces of the scaffolding element, and wherein the connection head has a first upper head part and a second lower head part which have wedge openings for the wedge which can be inserted or inserted through them and which are connected to one another in one piece, and wherein the first upper, head part has a first upper wedge opening of the wedge openings for the wedge which can be inserted or inserted through the first wedge opening and a first upper contact surface of the contact surfaces of the contact part for contact with a first outer surface of the framework element, and wherein the second lower head part has a second lower wedge opening of the wedge openings for the wedge that can be inserted or inserted through the second wedge opening and has a second lower contact surface of the contact surfaces of the contact part for contact with a second outer surface of the framework element, and wherein the connection head is viewed in a first direction tet upwards, with a first top wall portion containing the first wedge opening and is bounded downwardly with a second lower wall portion containing the second wedge opening when viewed in an opposite second direction, and wherein the connection head, when viewed in a third direction, preferably perpendicular to the first and second directions respectively, forwards to its Abutment side, is delimited with the abutment wall parts of the abutment part and viewed in an opposite fourth direction, backwards, towards its connection side, is delimited with a vertical rear wall part of the connection part, and wherein the connection head is delimited in a circumferential direction with vertical side wall parts, and wherein the first wall part, the second wall part, the contact wall parts, the rear wall part and the side wall parts are designed to leave cavities, preferably useful spaces, in particular wedge receiving spaces, free, and the connection head with its side wall parts, viewed in the third direction, tapers towards its contact side , and wherein the side wall parts have vertical side wall part outer surfaces which, viewed in the third direction, run in a wedge-like manner towards an imaginary central axis, in particular towards a longitudinal axis of the scaffolding element, preferably towards a post axis of a scaffolding post, and which enclose a, preferably acute, wedge angle, preferably which is 40 degrees to 50 degrees or 43 degrees to 46 degrees or about 44 degrees or about 45 degrees, and wherein the back panel has a vertical back panel surface facing in the fourth direction, and wherein between the first header and the second header a reaching up to the connection part, viewed in the third direction, to the contact side and to the side wall part outer surfaces of the side wall parts open horizontal push-on slot is formed for pushing the connection head onto the projection, and wherein the push-on slot, viewed in the first direction, to the first head part back with first upper, slot surface en of the first head part and, viewed in the second direction, is limited towards the second head part with second lower slot surfaces of the second head part, which extend on both sides of a horizontal imaginary attachment slot center plane of the attachment slot, and wherein between the first wedge opening and the second wedge opening is formed a passage for the wedge, which extends through the first head part and through the second head part under crossing of the imaginary push-on slot, and wherein a railing fastening device for detachably fastening the at least one railing device is permanently fastened to the connection part of the connection head, preferably by welding.

Such devices, in particular those of the applicant, have been known for many years in the form of scaffolding components. These are scaffolding tubes that are provided with the connection heads mentioned at the beginning. Such scaffolding components are, for example, from DE 24 49 124 A , the DE 28 22 676 A , the DE 39 34 857 A1 , the EP 0 936 327 A1 , the EP 1 911 907 A1 and the the WO 2012/163349 A2 known. The connection heads of these scaffolding components can be divided into those for round tubes and those for U-profile tubes. The connection heads intended for round pipes are provided with a circular connection collar on their connection side and with connection elements for plugging into and welding to the round pipes. The connection heads intended for U-profile pipes are provided with a U-shaped connection collar on their connection side and with lateral connection elements for plugging into and welding to the U-profile pipes. These connection heads are permanently welded to the appropriate round tubes or U-profile tubes to form scaffolding components known as scaffolding walers. These are regularly used as connecting elements to connect adjacent module scaffolding standards. The modular scaffolding standards are characterized by the fact that they are equipped with several perforated discs, which are welded to the respective standard tube at regular longitudinal intervals, preferably in a grid dimension of 50 centimetres. Modular scaffolding can be constructed from such modular scaffolding posts. These are so-called system frameworks. Such a modular or system scaffolding by the applicant has been known for many decades under the name of all-round scaffolding or all-round scaffolding system and has proven extremely successful in practice.

The perforated discs of this modular scaffolding regularly have eight through-holes for detachable fastening of the scaffolding components provided with the connection heads by means of a wedge. In this case, four large through-holes and four small through-holes are regularly provided per perforated disc, which are arranged alternately in the circumferential direction and offset from one another at a circumferential angle of 45 degrees. It goes without saying that perforated disks or generally projections with fewer and/or differently arranged and/or designed through holes can be provided, as long as it is ensured that the connection heads of the scaffolding components can be detachably fastened by means of the respective wedge that can be inserted through the respective through hole . The scaffold walers consisting of these connection heads and the scaffold tubes welded to them can be used directly as railings. However, their scaffolding tubes can also be used to detachably fix railing devices thereon, preferably by means of so-called locking claws.

For example from the publications already mentioned above DE 24 49 124 A , DE 28 22 676 A and EP 0 936 327 A1 but scaffolding components in the form of so-called diagonal bars have also become known. In these diagonal bars, the connection heads are designed in one piece with connecting lugs protruding at an angle, which have round bolts or round holes, to which a flat-pressed tube end of a round tube is permanently attached in an articulated manner, but pivotable about a pivot axis relative to the connection head. Especially when such diagonal bars are installed horizontally, their round tubes can also be used for the detachable attachment of railing devices, preferably with the help of locking claws.

From the DE 10 2007 018 314 A1 a scaffolding post for a facade scaffolding or a facade scaffolding has become known, which has at least one fastening device for fastening at least one railing device, preferably a railing rod, to the scaffolding post. The fastening device comprises a holder in the form of a U-shaped bracket, which is welded to the frame post with its two bracket ends. The bracket and an associated wall part of the scaffolding post limit a full extent or completely or substantially completely closed or enclosed passage opening for inserting one end of the at least one railing device, in particular a railing rod. The opening formed in this special way is rectangular in shape, with its longitudinal axis extending parallel to the post axis of the scaffolding post. A locking lever is pivoted about a pivot axis on the upper leg of the U-bolt by means of a bolt, the bolt longitudinal axis of which extends perpendicular to the longitudinal axis of the opening and perpendicular to the stem axis. The locking lever can be pivoted downwards from an unlocking position into a locking position and vice versa, in which a locking surface of the locking lever faces a bearing surface of the lower leg of the U-bolt and is arranged at a vertical distance above the bearing surface of the bearing part. With this fastening device, railing devices can be releasably fastened via specially shaped railing rod ends, which are inserted into the through-opening formed between the bracket and the scaffolding tube of the scaffolding post and, when inserted, are placed on the lower leg of the U-bolt or hung on it. In a particularly advantageous manner, this construction enables the assembly of a leading railing by a fitter from a lower position, which is secured against unintentionally falling over railing devices that have already been assembled.

A similar but improved design is from the one that was unpublished on the filing date of the present property right German patent application no. 10 2018 114 244.7 known. This construction relates in particular to an improved design of the railing rod ends of the railing devices, with which a facade scaffolding can be assembled and disassembled again particularly easily, quickly and safely with a leading railing.

The content of DE 10 2007 018 314 A1 and the German patent application no. 10 2018 114 244.7 is at this point, particularly with respect to those disclosed therein Railing devices and the locking lever disclosed therein, included in full.

The modular scaffolding mentioned at the outset by the applicant or its company founder have proved to be very successful in practice for decades. Due to the special form-fitting connection of the scaffolding walers provided with the slotted connection heads to the scaffolding posts provided with the perforated discs by means of the wedges, such modular scaffolding cannot easily be constructed with leading railings formed from such scaffolding walers.

In order to avoid this disadvantage, in the already mentioned above WO 2012/163349 A2 a specially designed new connection head with an inner wedge support body and an inner wedge pivoting abutment as well as a specially designed new connection wedge and also a special new method for fastening at least one scaffolding component having such a new connection head to a vertical scaffold element . This construction and this method are comparatively complex. A connection head with a fastening strap is from the EP3315691 A1 known.

It is an object of the invention to provide a device of the type mentioned at the disposal of a simple and secure detachable attachment of at least one railing device or multiple railing devices, in particular those as in DE 10 2007 018 314 A1 and in the German patent application no. 10 2018 114 244.7 disclosed, on a scaffolding element provided with at least one projection having at least one opening, in particular on a modular scaffolding post provided with several perforated discs, with the help of which scaffolding can be erected and dismantled easily and quickly and with the help of which advantageous possibilities for installation and removal of such railings is made possible both from the same scaffolding level and from below as a leading railing. In addition, the device should provide advantageous options for the detachable and secure attachment of such railing devices on the one hand to modular scaffolding poles and on the other hand, on other scaffolding standards, in particular on façade scaffolding standards.

This object is surprisingly easily achieved with a device having the features mentioned at the outset in that the railing attachment device contains a rigid railing attachment bracket which is permanently connected to the rear wall part of the connection head, preferably by welding, and which has a rectangular or Elongated through-hole for releasably inserting at least one end of the baluster of at least one baluster of the at least one railing device and for receiving a baluster-support part of the at least one end of the baluster, and that the through-hole extends along its imaginary longitudinal axis, which extends perpendicularly to the imaginary center plane of the slot and/or which extends either in the direction of the (imaginary) central axis or parallel to the imaginary central axis. The device according to the invention can also be referred to as a railing adapter or railing attachment adapter.

According to an advantageous embodiment, it can be provided that the railing attachment bracket, which has a uniform bracket thickness, consists of a flat material. This enables simple and cost-effective production and particularly advantageous assembly and fastening options for the at least one railing device.

According to a preferred development, it can be provided that the railing attachment bracket has a preferably planar, first side surface and a preferably planar, in particular parallel, second side surface pointing away therefrom in the opposite direction, between which the through hole extends and the extend on either side of a tab center plane of the railing attachment tab. A further improvement in terms of the above advantages can thereby be achieved.

According to one embodiment, it can be provided that the imaginary longitudinal axis and/or the imaginary tab center plane is or are arranged in an imaginary plane which contains the imaginary center axis. As a result, the mounting and fastening options for the at least one railing device can be further improved

According to a particularly preferred embodiment variant, it can be provided that the side wall part outer surfaces, which are vertical in the position of use of the connection head, extend on both sides of an imaginary central plane of the connection head containing the imaginary central axis and preferably vertical in the position of use, which, in a projection into an imaginary, perpendicular considered to the imaginary connecting head central plane, has an angle of equal size to the side wall part outer surfaces of the side wall parts, which is half as large as the wedge angle, and that the imaginary tab central plane with the imaginary, preferably vertical in the position of use, The central plane of the connection head coincides, or that the side wall part outer surfaces, which are preferably vertical in the position of use of the connection head, are on both sides of an imaginary connection containing the imaginary central axis and preferably vertical in the position of use head-middle plane of symmetry of the connection head designed symmetrically thereto, which, viewed in a projection into an imaginary plane perpendicular to the imaginary connection head-middle plane of symmetry, has an angle of equal size to the side wall part outer surfaces of the side wall parts, which is half is as large as the wedge angle and that the imaginary tab center plane coincides with the imaginary connection head plane of symmetry. As a result, the object of the invention can be achieved in a particularly advantageous manner.

According to a further development it can be provided that the imaginary longitudinal axis and/or the imaginary tab center plane is or are either arranged in an imaginary plane which is parallel to the imaginary connection head center plane at a distance from the imaginary connection head center plane is arranged or coincides with the imaginary connection head center plane or with the imaginary connection head center plane of symmetry or coincide.

According to a particularly preferred embodiment, it can be provided that the imaginary attachment slot center plane and the imaginary connection head center plane or the imaginary connection head center plane of symmetry are formed perpendicular to one another. As a result, a particularly stable and safe construction can be achieved, which enables the at least one railing device to be fastened in a particularly simple and safe, detachable manner.

According to a further development, it can be provided that the railing fastening strap is permanently fastened, preferably by welding, to the rear wall part surface of the rear wall part of the connection head, which is formed perpendicularly to the imaginary attachment slot center plane. This enables a particularly stable and safe construction.

According to a preferred development, it can be provided that the rear wall part surface extends perpendicularly to the attachment slot center plane and/or either perpendicularly to the connection head center plane or perpendicularly to the connection head center plane of symmetry.

Particularly advantageous options for assembling or disassembling the at least one railing device can be achieved if the railing fastening strap extends in the first direction, preferably upwards in the position of use, beyond the first, upper head part, so that the through hole extends extends at least partially beyond the first head part, which is preferably the upper head part in the position of use.

According to a preferred embodiment it can be provided that the connection part is assigned at least in one of the first, preferably in the position of use of the connection head upper, head part, preferably in the When in use, the upper edge region has a collar or collar that protrudes beyond the surface of the rear wall part, viewed in the fourth direction, i.e. to the rear, and which is provided with an opening through which the railing fastening strap can be pushed in the first direction extends through the top, the opening having an opening width which is slightly larger than a strap thickness of the railing fastening strap in the area of the opening. This enables an even more stable and safe construction.

It can be provided that the opening, viewed in the third direction, ie forwards, towards the contact side of the connection head, opens into the first wedge opening, preferably the upper wedge opening when the connection head is in the position of use. In this way it can be ensured that the function of the wedge, in particular for producing a form-fitting locking and bracing with the projection and the scaffolding element provided with it, is not impaired.

According to a preferred embodiment variant, it can be provided that the rear wall part of the connection head is designed rectangular and/or that the rear wall part surface of the rear wall part has a rectangular outer contour, and that the contact part of the connection head, viewed in a fifth direction perpendicular to the center plane of the attachment slot, has a contact part height and, viewed in a sixth direction perpendicular thereto, a contact part width that is smaller than the contact part height. This enables a particularly stable construction with improved transmission of forces and moments as well as further improved fastening options for the railing fastening strap.

According to a preferred embodiment variant, it can be provided that the railing attachment bracket has a support part, preferably in a direction transverse or perpendicular to the central axis, extending away from it and preferably at the bottom in the position of use of the railing attachment bracket, one, preferably extending away from the central axis in a direction transverse or perpendicular to the central axis, preferably on the upper part in the position of use of the railing attachment bracket, one, preferably extending in the direction of the central axis or parallel to the central axis, preferably in the position of use of the railing attachment bracket vertical, first railing support part and one, preferably extending in the direction of the central axis or parallel to the central axis, preferably vertical in the position of use of the railing attachment bracket, second railing support part, which delimit the through-hole, preferably and uninterruptedly enclosing it, the support part having a support surface, preferably horizontal in the position of use of the railing attachment bracket, for supporting at least one railing rod, preferably vertical in the position of use of the railing attachment bracket nd has at least one railing rod of the at least one railing device in the second direction, preferably downwards in the position of use of the railing attachment bracket, and wherein the second railing support part is permanently connected to the rear wall part of the connection head, preferably by welding, and wherein the anti-lifting part has an anti-lifting surface pointing in the second direction, preferably in the position of use of the railing-fastening bracket downwards, and horizontally in the position of use of the railing-fastening bracket, to prevent a, preferably vertical in the position of use of the railing-fastening bracket , Raising the at least one railing device or the at least one end of the railing rod in the first direction, preferably upwards in the position of use of the railing attachment bracket. A further improvement in solving the object of the invention can be achieved by means of these measures.

According to a very particularly preferred embodiment, it can be provided that the bearing surface, viewed in the first direction, is either at a distance from the imaginary center plane of the attachment slot, the distance value of which is in a range between 23 mm and 63 mm, or one of about 43 mm, or of about 26 mm, or spaced from the first slot faces of the first header by a distance value of between 18 mm and 58 mm, or a distance of about 38 mm, or of about 21 mm having. This allows the assembly and disassembly possibilities to be further improved and greater safety of the construction with regard to the at least one railing device to be inserted into the through-hole of the railing fastening bracket or to be hung or placed on its bearing surface. In particular, there are particularly favorable options for connecting a modular scaffolding post provided with the railing attachment adapter to a facade scaffolding post provided with a matching railing suspension bracket, in particular a support or a scaffolding post with a bracket according to DE 10 2007 018 314 A1 or the German patent application no. 10 2018 114 244.7 , About at least one corresponding railing device, in particular according to DE 10 2007 018 314 A1 or the German patent application no. 10 2018 114 244.7 to reach.

According to a very particularly preferred embodiment variant, it can be provided that on the railing attachment bracket, in particular on the wall part or anti-lift device part, which is preferably upper in its position of use, a, preferably manually, order an imaginary or real, preferably transverse, in particular perpendicular the central axis and also transversely, in particular perpendicularly, to the first direction extending pivot axis, preferably rotation axis, relative to the connection head pivotable, preferably rotatable, locking lever is attached, which has a locking surface for positive locking, preferably without clamping forces, locking the at least one railing device against a, preferably in the position of use of the railing attachment bracket vertical, removing the railing device in the first direction, preferably in the position of use of the device upwards, in a locking position of the locking lever, and with the aid of a s fastening means containing the pivot axis, preferably a bolt or grooved pin, on the railing fastening bracket, in particular on the wall part or anti-lift part, and can be pivoted about the pivot axis from an unlocked position into the locked position and vice versa, and wherein the locking surface of the locking lever lies opposite the bearing surface of the bearing part in the locking position of the locking lever and viewed in the first direction , is arranged at a distance from the support surface, preferably vertical in the position of use of the railing attachment bracket, preferably above the support surface of the support part, and wherein the pivot axis in the locking position of the locking lever, viewed in the first direction, in a, preferably in the position of use of the railing-fastening tab is arranged vertical distance to the locking surface, preferably above the locking surface, of the locking lever. This creates particularly advantageous options for securing or locking the at least one railing device, preferably at least two, in particular identically designed, railing devices and/or for installing or removing at least one railing device and for a particularly stable construction.

The invention also relates to an arrangement of a, preferably vertical, scaffolding element, in particular a scaffolding post, particularly preferably a modular scaffolding post, and a device according to the invention, the scaffolding element being permanently connected, preferably by welding, to the projection, in particular a perforated disk or the perforated disk , which has at least one opening, and wherein the connection head of the device is placed with its slot on the projection, preferably horizontally, and the wedge is inserted through the first head part, through the opening and through the second head part, so that a detachable connection is established, in which the connection head of the device is positively locked to the projection with the aid of the wedge and clamped to the framework element via the contact surfaces of the contact wall parts resting on the outer surfaces of the framework element.

The invention also relates to a scaffolding with at least one arrangement according to the invention, which can be erected with a leading railing device or which is set up with a leading railing device, with at least one railing rod end of at least one railing rod of the at least one railing device going into the rectangular or slotted through hole in the railings -Fastening lug of the device according to the invention is inserted and there in the second direction, preferably in the position of use of the railing fastening lug downwards, is supported and/or hung on the railing fastening lug.

Further features, aspects, measures and advantages can be found in the claims and emerge from the following part of the description, in which a preferred exemplary embodiment of the invention is described with reference to the drawings.

Figur 1.1

eine dreidimensionale Darstellung des Geländer-Befestigungs-Adapters, dessen Verriegelungshebel sich in seiner Verriegelungsstellung befindet, in einer Ansicht schräg von vorne, oben;

Figur 1.2

eine dreidimensionale Darstellung des Geländer-Befestigungs-Adapters, in einer Ansicht schräg von hinten, oben;

Figur 2.1

eine dreidimensionale Darstellung eines separaten Anschlusskopfes des erfindungsgemäßen Geländer-Befestigungs-Adapters in einer Ansicht schräg von vorne und oben;

Figur 2.2

eine dreidimensionale Darstellung des separaten Anschlusskopfes in einer Ansicht schräg von hinten, unten;

Figuren 3.1 bis 3.6

unterschiedliche Ansichten des separaten Anschlusskopfes, wobei

Figur 3.1

eine zweidimensionale Seitenansicht des separaten Anschlusskopfes zeigt,

Figur 3.2

eine zweidimensionale Ansicht des separaten Anschlusskopfes von unten zeigt,

Figur 3.3

eine zweidimensionale Ansicht des separaten Anschlusskopfes von oben zeigt,

Figur 3.4

eine zweidimensionale Ansicht des separaten Anschlusskopfes von vorne zeigt,

Figur 3.5

eine zweidimensionale Ansicht des separaten Anschlusskopfes von hinten zeigt;

Figur 3.6

einen Schnitt des separaten Anschlusskopfes entlang der Schnittlinien A-A in Figur 3.2 zeigt;

Figur 4.1

eine zweidimensionale Seitenansicht der Geländer-Befestigungs-Lasche des erfindungsgemäßen Geländer-Befestigungs-Adapters;

Figur 4.2

eine zweidimensionale Ansicht der Geländer-Befestigungs-Lasche von oben;

Figur 5

eine dreidimensionale Darstellung des Modulgerüsts in einer ersten Montage- oder Demontagephase, bei welcher ein erster Geländerstab, der im Bereich eines ersten Geländerstabendes seiner beiden Geländerstabenden mit Hilfe des dort vorgesehenen Einhängehakens an einer Geländer-Befestigungs-Lasche eines Geländer-Befestigungs-Adapters eingehängt ist, der an der obersten Lochscheibe des vorne rechts gezeigten Gerüststiels mittels seines Keils lösbar befestigt ist, annähernd lotrecht frei nach unten hängt;

Figur 6

eine dreidimensionale Darstellung des Modulgerüsts in einer zweiten Montage- oder Demontagephase, bei welcher der erste Geländerstab und ein zweiter Geländerstab jeweils mit ihren Geländerstabeneden an jeweils einer Geländer-Befestigungs-Lasche eines zugeordneten Geländer-Befestigungs-Adapters sowohl des etwa in Bildmitte gezeigten Gerüststiels als auch des vorne rechts gezeigten weiteren Gerüststiels eingehängt sind, wobei sich die Geländerstäbe jeweils in einer vertikalen Schrägstellung und etwa parallel zueinander erstrecken;

Figur 7

eine dreidimensionale Darstellung eines Modulgerüsts, bei dem mehrere Geländerstäbe mit Hilfe mehrerer erfindungsgemäßer Geländer-Befestigungs-Adapter an zugeordneten Gerüststielen lösbar befestigt sind;

Figur 8.1

eine Seitenansicht eines Gerüststiels des Modulgerüsts in teilweise unterbrochener Darstellung, wobei an zwei Lochscheiben des Gerüststiels jeweils ein erfindungsgemäßer Geländer-BefestigungsAdapter mittels seines Keils lösbar befestigt ist;

Figur 8.2

einen Schnitt entlang der Schnittlinie B-B in Figur 8.1 zur Veranschaulichung einer Lochscheibe der Lochscheiben;

Figur 9

eine vergrößerte Seitenansicht im Bereich einer Lochscheibe der Lochscheiben eines Gerüststiels der in Figur 6 gezeigten Gerüststiele, wobei an dieser Lochscheibe ein erfindungsgemäßer Geländer-Befestigungs-Adapter mittels seines Keils lösbar befestigt ist.

Show it:

Figure 1.1

a three-dimensional representation of the railing attachment adapter, the locking lever is in its locking position, in a view obliquely from the front, above;

Figure 1.2

a three-dimensional representation of the railing attachment adapter, in a view obliquely from behind, above;

Figure 2.1

a three-dimensional representation of a separate connection head of the railing attachment adapter according to the invention in a view obliquely from the front and above;

Figure 2.2

a three-dimensional representation of the separate connection head in a view obliquely from behind, below;

Figures 3.1 to 3.6

different views of the separate connection head, where

Figure 3.1

shows a two-dimensional side view of the separate connection head,

Figure 3.2

shows a two-dimensional view of the separate connection head from below,

Figure 3.3

shows a two-dimensional view of the separate connection head from above,

Figure 3.4

shows a two-dimensional view of the separate connection head from the front,

Figure 3.5

shows a two-dimensional view of the separate connection head from behind;

Figure 3.6

a section of the separate connection head along the section lines AA in Figure 3.2 indicates;

Figure 4.1

a two-dimensional side view of the railing attachment bracket of the railing attachment adapter according to the invention;

Figure 4.2

a two-dimensional view of the railing attachment bracket from above;

figure 5

a three-dimensional representation of the modular scaffolding in a first assembly or disassembly phase, in which a first baluster, which is suspended in the area of a first end of the railing rod of its two railing rod ends using the hook provided there on a railing attachment bracket of a railing attachment adapter which is detachably attached to the uppermost perforated disc of the scaffolding standard shown on the front right by means of its wedge, approximately vertically hangs freely down;

figure 6

a three-dimensional representation of the modular scaffolding in a second assembly or disassembly phase, in which the first baluster and a second baluster are each fastened with their baluster ends to a railing attachment bracket of an assigned railing attachment adapter both of the scaffolding post shown approximately in the middle of the picture and of the further scaffolding post shown at the front right are suspended, the railing rods each extending in a vertical inclined position and approximately parallel to one another;

figure 7

a three-dimensional representation of a modular scaffolding in which several railing rods are releasably attached to associated scaffolding posts using several railing attachment adapters according to the invention;

Figure 8.1

a side view of a scaffolding post of the modular scaffolding in a partially interrupted representation, with a railing attachment adapter according to the invention being releasably attached to two perforated disks of the scaffolding post by means of its wedge;

Figure 8.2

a cut along line BB in Figure 8.1 to illustrate a perforated disc of the perforated discs;

figure 9

an enlarged side view in the area of a perforated disc of the perforated discs of a scaffolding standard in figure 6 shown scaffolding poles, a railing attachment adapter according to the invention being detachably attached to this perforated disc by means of its wedge.

The device 10, also referred to as a railing attachment adapter, is used for the detachable attachment of at least one railing device 11 to a scaffolding element that is vertical in its position of use, preferably to a scaffolding tube 28, in particular a scaffolding post 12.

The main elements of the railing attachment adapter 10 include a connection head 14 provided with a railing attachment bracket 15 and a wedge 16, preferably connected thereto in a captive manner, for the detachable attachment of the railing attachment adapter 10 to at least one opening 18 ; 18.1, 18.2 for pushing through the wedge 16 having projection 17, here designed as a perforated disk 17, of the scaffolding element 12. The railing attachment bracket 15 is permanently connected to the connection head 14 by welding. According to the in the Figures 1.1, 1.2 , 5-7 , 8.1 and 9 particularly preferred exemplary embodiment shown, a locking lever 20 that can be pivoted about a pivot axis 19 is articulated on the railing attachment bracket 15 .

The connection head 14 in the Figures 3.1, 3.2 and 4.1 to 4.6 is shown as a separate component, i.e. in a phase of manufacture of the railing connection adapter, before the connection head 14 and the railing attachment bracket 15 are permanently connected to one another by welding, and which is also shown in FIGS Figures 1.1, 1.2 , 5-7 , 8.1 and 9 each shown as a component of the railing attachment adapter 10 is described in more detail below. It is partly assumed that the connection head 28 is in a position of use or installation position, as is shown in particular in FIGS Figures 1.1, 1.2 , 9.1 and 9 is shown:
The connection head 28 consists of metal, preferably malleable cast iron, cast steel or steel. The connection head 14 is preferably galvanized. The connection head 14 has a connection part 21 and a system part 22, which are connected to one another in one piece. The contact part 22 of the connection head 14 of the railing attachment adapter 10 has on its contact side 23, in the usage position of the connection head 14, vertical contact wall parts 24.1, 24.2, the vertical contact surfaces 25.1, 25.2 for contact with scaffolding element outer surfaces 13 of a scaffolding element, in particular a scaffold post 12 has.

The connection head 14 has a first head part 26.1, which is upper in its position of use, and a second head part 26.2, which is lower in its position of use. The first head part 26.1 has a first wedge opening 27.1 of the wedge openings 27.1, 27.2, which is upper in the position of use, for the wedge 16 which can be inserted or has been inserted through the first wedge opening 27.1. Furthermore, the first head part 26.1 has a first contact surface 25.1 of the contact surfaces 25.1, 25.2 of the contact part 22, which is upper in its position of use, for contact with a first outer surface of the framework element 12. The second head part 26.2 has a second wedge opening 27.2 of the wedge openings 27.1, 27.2, which is lower in the position of use, for the wedge 16 which can be inserted or has been inserted through the second wedge opening 27.2. Furthermore, the second head part 26.2 has a second contact surface 25.2 of the contact surfaces 25.1, 25.2 of the contact part 22, which is lower in the position of use, for contact with a second outer surface of the framework element 12. The scaffolding tube of the scaffolding post 12 has an equally large outer diameter, at least in the area of the respective perforated disk 17 on both sides thereof, or in the position of use above and below it, so that the scaffolding post 12 has a circular-cylindrical outer surface 13 at least in these areas. The contact surfaces 25.1, 25.2 of the contact part 22 of the connection head 14 can be applied to this outer surface 13. Viewed in a first direction 31, that is to say in its position of use upwards, the connection head 14 has the first wedge opening 27.1 contained first, upper wall portion 37.1 limits. Furthermore, the connection head 14, viewed in an opposite second direction 32, ie in its position of use downwards, is provided with a second wedge opening 27.2 containing the second wall part 37.2, which is lower in the position of use.

Viewed in a third direction 33 perpendicularly to the first and second directions 31, 32, the connection head 14 is bounded at the front, towards its contact side 23, with the contact wall parts 24.1, 24.2 of the contact part 22. Viewed in an opposite, fourth direction 34 , the connection head 14 is limited to the rear, towards its connection side 38 , with a rear wall part 39 of the connection part 21 which is vertical in its position of use. In addition, the connection head 28 is delimited in a circumferential direction with side wall parts 41.1, 41.2, 41.3, 41.4 which are vertical in its position of use. The first wall part 37.1, the second wall part 37.2, the contact wall parts 24.1, 24.2, the rear wall part 39 and the side wall parts 41.1, 41.2, 41.3, 41.4 are cavities, preferably usable spaces, in particular wedge receiving spaces for receiving wedge parts of the wedge 16, designed to be free. The connecting head 28 tapers with its vertical side wall parts 41.1, 41.2, 41.3, 41.4 viewed in the third direction 33, ie forwards, towards its contact side 23. The rear wall part 39 has a rear wall part surface 40 which is vertical in the fourth direction 34 , ie rearwardly pointing when the connection head 14 is in the position of use.

The connection part 14 has a collar 42 that protrudes in the fourth direction 34, ie to the rear, over the rear wall part surface 40 of the rear wall part 39 and runs around in the circumferential direction. In the region of the first wall part 37.1 of the first head part 26.1 of the connection head 14, this collar or collar 42 has a first opening 43 for the railing attachment bracket 15. The first opening 43, viewed in the third direction 33, i.e. forwards, towards the contact side 23 of the connection head 28, opens into the first wedge opening 27.1 of the first head part 26.1 of the connection head 28. Furthermore, this collar 42 has in the area of the second wall part 37.2 of the second head part 37.2 of the connection head 14 has a second opening 44. This second opening 44 is used to drain liquid zinc during or after galvanizing the connection head. In addition, the rear wall part 39 of the connection head 14 has a central, preferably circular,

Through hole 45 on. This central passage opening 45 is also used to drain the liquid zinc during or after the galvanizing of the connection head 14.

The first head part 26.1, which is upper in the position of use of the connection head 14, is bounded by the side wall parts 41.1 and 41.2. The side wall part 41.1 has the side wall outer surfaces 46.1 which are vertical in the position of use. The side wall part 41.2 has the vertical side wall outer surfaces 46.2 in the position of use. The side wall outer surfaces 46.1 and 46.2 run in the third direction 33, ie forwards, towards the contact side 23, in a wedge-like manner towards an imaginary central axis 47 and enclose a wedge angle 48. The second, lower in the position of use of the connection head 14,

Head part 26.2 is bounded by side wall parts 41.3 and 41.4. The side wall part 41.3 has the side wall outer surfaces 46.3 which are vertical in the position of use. The side wall part 41.4 has the side wall outer surfaces 46.4 which are vertical in the position of use. The side wall outer surfaces 46.3 and 46.4 run in the third direction 33, ie forwards, towards the contact side 23, in a wedge-like manner towards the imaginary central axis 47 and enclose the wedge angle 48. In the preferred embodiment shown, wedge angle 48 is an acute angle. The wedge angle 48 here is about 44 degrees or about 45 degrees.

The side wall part outer surfaces 46.1 and 46.3 of the side wall parts 41.1 and 41.3 on the one hand, and the side wall part outer surfaces 41.2 and 41.4 of the side wall parts 41.2 and 41.4 on the other hand, extend on both sides of a connection head center plane of symmetry 50 containing the central axis 47 of the connection head 14, which is designed symmetrically thereto. The central plane of symmetry of the connection head 50 has, viewed in a projection in a plane perpendicular to the central plane of symmetry 50 of the connection head, an angle 51.1, 51.2 of the same size to the side wall part outer surfaces 46.1, 46.2, 46.3, 46.4 of the side wall parts 41.1, 41.2, 41.3, 41.4 on. This angle 51.1, 51.2 is half as large as the wedge angle 48.

Between the first head part 26.1, which is upper in the position of use, and the second head part 26.2, which is lower in the position of use, there is a head part that reaches as far as the connection part 21 and in the third direction 33, i.e. forwards, to the contact side 23 and to the outer surfaces of the side wall part 46.1, 46..2, 46.3, 46.4 of the side wall parts 41.1, 41.2, 41.3, 41.4 open, in the position of use horizontal, slot 52 for, preferably horizontal, plugging the connection head 48 on one of the perforated discs 17 is formed. Viewed in the first direction 31, i.e. upwards, the slip-on slot 52 is delimited towards the first head part 26.1 with first slot surfaces 53.1, 53.2 of the first head part 26.1, which is upper in the position of use and is, in the viewed in the second direction 32, i.e. downwards, towards the second, lower head part 26.2, with second slot surfaces 54.1, 54.2 of the second head part 26.2, which are lower in the position of use and border on both sides of a slot which is horizontal when the connection head 14 is in the position of use - Central plane 55 of the slot 52 extend. The center plane 55 of the attachment slot extends perpendicularly to the center axis 47. The center plane 55 of the attachment slot and the center plane of symmetry 50 of the connection head are formed perpendicular to one another.

A passage 56 for the wedge 16 is formed between the first wedge opening 27.1 and the second wedge opening 27.2, which passage extends through the first head part 26.1 and through the second head part 26.2, crossing the slip-on slot 52.

The connection head 14 can be positively locked with the projection 17 and braced with the framework element 12 with the aid of the wedge 16 that can be inserted or inserted through the at least one opening 18 of the projection 17 of the framework element 12 to form a detachable connection (see Fig Figures 5-7 , 8.1 and 9 ).

The wedge 16, which can also be called the connection wedge, is also made of metal. The wedge 16 is preferably galvanized. The wedge 16 has a first wedge end 57.1, which is upper in the position of use of the connection head 28, and a second wedge end 57.2, which is lower in the position of use of the connection head 14.

The wedge 16 tapers in the manner of a wedge from its first wedge end 57.1 to its second wedge end 57.2. Preferably, the wedge 16 is captively connected to the connection head. For this purpose, the wedge 16 has a thickening 58, for example a rivet head, at its second wedge end 57.2. The width of the thickening is greater than the width of the first wedge opening 27.1 designed as a rectangular wedge receiving slot. As a result, the wedge 16 inserted through the first wedge opening 27.1 cannot be pulled out of the connection head 14 in the first direction 31 or upwards.

The rear wall part 39 of the connection head 14 is rectangular in shape. The rear wall part surface 40 of the rear wall part 39 has a rectangular outer contour 59 . The connection part 21 of the connection head 14 has, in a fifth direction 35, viewed perpendicularly to the attachment slot center plane 55, a connection part height 60 and, viewed in a sixth direction 36 perpendicular thereto, a connection part width 61 which is smaller than the connection part height 60. The rear wall part surface 40 extends perpendicularly to the attachment slot center plane 55 and extends perpendicularly to the connection head-connection head center plane of symmetry 50. The rear wall part surface 40 is preferably flat.

A railing fastening device 62 for the detachable fastening of the at least one railing device 11 is permanently fastened by welding to the connection part 21 of the connection head 14 of the railing fastening adapter 10 . The railing fastening device 62 comprises the railing fastening bracket 15 and a locking lever 20. The locking lever 20 is pivoted relative to the railing fastening bracket 15 about a pivot axis 19 on the railing fastening bracket 15. The railing attachment bracket 15 is a rigid component Metal. The railing attachment bracket 15 is preferably galvanized. Consequently, the structural unit formed from the connection head 14 and the railing attachment bracket 15 is made of metal, preferably made of galvanized metal.

The railing attachment bracket 15, as a separate component in the Figures 4.1 and 4.2 is shown, ie in a phase of manufacture of the railing connection adapter 10 before the connection head 14 and the railing attachment bracket 15 are permanently connected to each other by welding, and also in the Figures 1.1, 1.2 , 5-7 , 8.1 and 9 each shown as a component of the railing attachment adapter 10 is described in more detail below:
The railing attachment bracket 15 has a rectangular through hole 63 for releasably inserting at least one railing rod end of at least one railing rod 11 of the at least one railing device and for receiving a railing rod support part of the at least one railing rod end. The through-hole 63 is delimited by wall parts 71, 72, 73, 74 of the railing fastening bracket 15 and is enclosed without a gap or without any interruptions. The through hole 63 has a through hole width 66 and a through hole length or height 70 . The through-hole length or height is much greater than the through-hole width 66. The through-hole length or height is at least twice or at least three times the through-hole width 66. Preferably, the through-hole Length or height 55 mm. The through-hole width is preferably 16 mm. The slot width 77 is 16 mm, for example. The slot height 78 is 55 mm, for example.

The rectangular through-hole 63 extends along its longitudinal axis 64. The longitudinal axis 64 of the through-hole 63 extends perpendicularly to the attachment slot center plane 55 of the connection head 14 and extends parallel to the center axis 47.

The railing fastening strap 15 consists of a flat material 65 and has a uniform strap thickness 67 . The railing attachment bracket 15 has a flat, first side surface 68.1 and a flat, second side surface 68.2 pointing in the opposite direction, which extends parallel to the first side surface 68.1. The through hole 63 extends continuously between the first side surface 68.1 and the second side surface 68.2. The side surfaces 68.1 and 68.2 extend on both sides of an imaginary tab center plane 69 of the railing attachment tab 15. Both the longitudinal axis 64 of the through hole 63 and the tab center plane 69 of the railing attachment tab 15 lie in an imaginary plane which the central axis 47 contains. In the exemplary embodiment, this plane extends parallel to the connection head center plane of symmetry 50 . The tab center plane 69 therefore coincides with the connection head center plane of symmetry 50 . In addition, the longitudinal axis 64 of the through hole 63 of the railing attachment bracket 15 lies in the connection head center plane of symmetry 50 of the connection head 14.

The railing fastening bracket 15 has a support part 71, a lift-off securing part 72, a first railing support part 73 and a second railing support part 74, which delimit and enclose the rectangular through-hole 63. The support part 71 which is lower in the position of use and the part 72 which secures the device from being lifted out, which is upper in the position of use, each extend away from the imaginary central axis 47 transversely or perpendicularly to the latter. The first railing support part 73, vertical in the position of use, and the second railing support part 74, vertical in the position of use, each extend parallel to the imaginary center axis 47. The center axis can be the post axis 47 of the scaffolding post 12. The support part 71 has a support surface 75, which is horizontal in the position of use, for vertically supporting at least one end of the railing rod of at least one railing rod 11 of the at least one railing device in the second direction 32, i.e. downwards in the position of use. The bearing surface 75 faces in the first direction 31 viewed, i.e. upwards in the position of use, from the first, in the position of use upper, slot surfaces 53.1, 53.2 of the first, in the position of use upper, head part 26.1 of the connection head 14 at a distance 76 of approximately 21 mm. Since the projection or the perforated disk 17 has a thickness of about 9 mm, the bearing surface 75, viewed in the first direction 31, i.e. upwards in the position of use, has a distance 78 of about 26 mm from the center plane 55 of the attachment slot ( please refer figure 9 ). The anti-lifting device part 72 has a horizontal anti-lifting surface 79 pointing in the second direction 32, i.e. downwards in the position of use, for preventing vertical lifting of the at least one end of the baluster of the at least one handrail 11 in the first direction 31, i.e. in the position of use of the connection head or . The railing attachment bracket 15 or its second railing support part 74 is permanently connected to the rear wall part 39 of the connection head 14, specifically to its rear wall part surface 40, by welding.

Viewed in the first direction 31, the anti-lifting part 72 of the railing attachment bracket 15 has a through-opening 80 for Fastening means, preferably in the form of a bolt or grooved pin 87 on. The fastening means 87 forms or comprises the pivot axis 19 for the locking lever 20 which can be pivoted about it. The pivot axis 19 extends perpendicularly to the central axis 47 and also perpendicularly to the first direction 31 or perpendicularly to the longitudinal axis 64 of the through hole 63 or perpendicularly to the tab center plane 69.

The railing attachment bracket 15 extends in the first direction 31, ie upwards in the position of use, beyond the first head part 26.1, so that the through hole 63 extends at least partially over the first head part 26.1 extends beyond. In the exemplary embodiment shown, the through-hole 63, viewed in the first direction 31, extends over more than two-thirds of its through-hole height or through-hole length 70 beyond the first head part 26.1.

In the preferred exemplary embodiment, the locking lever 20, which can be pivoted manually about the pivot axis 19 relative to the railing attachment bracket 25 or relative to the connection head 28, is attached to the anti-lifting part 72 of the railing attachment bracket 15, preferably captively. The locking lever is in the Figures 1.1, 1.2 , 5-7 , 8.1 and 9 shown. The locking lever 20 is preferably made of plastic. The locking lever 20 has, at a vertical distance from the pivot axis 19 in the position of use, a locking surface 82 for locking the at least one railing device 11 in a form-fitting manner and free of clamping force against a vertical, in the position of use of the connection head 14 or the railing attachment bracket 15 Removal of the railing device 11 in the first direction 31, ie in the position of use upwards, in a locking position 83 of the locking lever 20. The locking lever 20 is attached to the anti-lifting part 72 of the railing attachment bracket 15 with the aid of the attachment means containing the pivot axis 19 . The locking lever 20 can be pivoted about the pivot axis 19 from an unlocking position into the locking position 83 shown in the figures, and vice versa. In the locking position 83 of the locking lever 20, its locking surface 82 is opposite the bearing surface 75 of the bearing part 71 and, as viewed in the first direction 31, i.e. upwards in the position of use, in a vertical position in which the railing attachment bracket 15 is in the position of use Distance 84 to the bearing surface 75 of the bearing part 71, ie in the position of use above the bearing surface 75 of the bearing part 71, is arranged. The pivot axis 19 is in the locking position 83 of the locking lever 20, viewed in the first direction 31, i.e. in the usage position of the connection head 14 or the railing attachment bracket 15 upwards, in a distance 85 to or above the locking surface 82 of the locking lever 20, which is vertical in the position of use.

The railing attachment bracket 15 extends in the first direction 31, i.e. upwards in the position of use, through the first opening 43 in the fourth direction 34, i.e. backwards, over the rear wall part surface 40 of the rear wall part 39 of the connection head 14 protruding waistband or collar 42 through. The first opening 43 has an opening width 86 which is only slightly larger than the here uniform strap thickness 67 of the railing fastening strap 15 consisting of the flat material 65.

From the Figures 5-7 , 8.1 and 9 Arrangements 90 each of a scaffold post 12 and a railing attachment adapter 10 are shown. A plurality of perforated discs 17 are attached to each scaffold post 12 by welding at regular longitudinal intervals, preferably at a grid spacing of 50 centimeters. Each perforated disk 17 has several, eight here, openings 18; 18.1, 18.2 to push through the wedge 16. In each arrangement 90 of these arrangements, the connection head 14 of the railing attachment adapter 10 is placed horizontally with its slot 52 on the assigned perforated disk 17 and the wedge 16 is pushed through the first head part 26.1 and through the selected small opening 18.1 of the assigned perforated disk 17 as well as through the second head part 26.2 of the connection head 14, so that a detachable connection is established, in which the connection head 14 of the railing fastening adapter 10 is positively locked with the associated perforated disk 17 with the aid of the wedge 16 and via the circular-cylindrical outer surface of the associated Scaffolding post 12 abutting contact surfaces 25.1, 25.2 of the system wall parts 24.1, 24.2 of the connection head 14 are braced with the scaffolding post 12.

In the Figures 5-7 a scaffolding 91 is shown which is a modular scaffolding. The scaffolding 91 consists of several scaffolding posts 12; 12.1, 12.2 constructed, each having a plurality of perforated disks 17. On the perforated discs 17 are, inter alia, longitudinal bars 96 and crossbars 97 on their Attached connection heads by means of a wedge per connection head 28. In a first, lower floor 93.1 and in a second, next higher floor scaffolding floors 95 are hung on crossbars 97 . The scaffolding 91 is constructed on the first floor 93.1 with railing devices in the form of longitudinal bars 96. These are mounted about 50 cm above the scaffolding floors 95 of the first floor 93.1 on perforated discs 17 of the scaffolding posts 12.2 and form hip and back railings. Railing fastening devices 10 according to the invention are releasably fastened to perforated disks 17 of the scaffolding posts 12.1 of the second floor 93.2 by means of their wedges 16. On the second floor 93.2, the scaffolding 91 is set up with railing devices 11 that are or can be mounted in advance. These railings are straight railing rods 11; 11.1, 11.2. These each have a hanging hook 94 for hanging on or in a railing attachment bracket 15 of the railing attachment adapter 10 on their two railing rod ends pointing away from one another in opposite directions. The railing rods 11; 11.1, 11.2 can be hung or hung on railing attachment brackets 15 of the railing attachment adapter 10.

In figure 5 a first assembly phase is shown, in which a first railing rod 11.1, which is suspended in the area of a first end of its two railing rod ends using the suspension hook 94 provided there on a first railing attachment bracket 15 of a first railing attachment adapter 10, the is releasably attached to the uppermost perforated disk 17 of the first scaffolding post 12.1 shown in the front right by means of its wedge 16. This first scaffolding post 12.1 includes four perforated discs 17. The first scaffolding post 12.1 is attached to a second scaffolding post 12.2. The second frame post 12.2 comprises only two perforated discs 17. The second frame post 12.2 has an effective length which is half the effective length of the first frame post 12.1.

Proceeding from this or beforehand, a fitter 92, still standing on the floor or from the first floor 93.1, can still counter in a Falling secured position, also a second railing rod 11.2 on a second railing attachment bracket 15 of a second railing attachment adapter 10, which is mounted on the next perforated disc 17 of the same scaffolding post 12.1, in the same or similar way and Hang in the same way as described above. This second railing rod 11.2 has the same effective length as the first railing rod 11.1.

Then the fitter 92, still standing on the ground or from the first floor 93.1, in a position still secured against falling, can take a third scaffolding post 12.3, which has the same effective length as the first post 12.1 and, preferably four, perforated discs 17 includes. The fitter 92 can then fasten the first railing rod 11.1 and also the second railing rod 11.2 to the desired railing fastening bracket 15 of the respectively assigned railing fastening adapter 10, which with its respective connection head 14 is attached to the assigned perforated disk 17 of the third scaffolding standard 12.3 was attached and fixed there by means of the respective wedge 16. In this way a second assembly phase can be achieved, which in figure 6 is shown.

Based on this, the assembler 92, still standing on the ground or from the first floor, in a position still secured against falling, can grip the third scaffolding post 12.3 with his hands, together with the railing rods 11.1 also attached to the first scaffolding post 12.1 , 11.2, i.e. together with the first baluster 11.1 and the second baluster 11.2, in the next higher, here second floor 93.2 upwards, after which he can attach the third scaffolding post 12.3 to a fourth scaffolding post 12.4 already mounted on the first floor 93.1. This fourth frame post 12.4 has the same effective length as the second frame post 12.2. After attaching the third scaffolding post 12.3 to the fourth scaffolding post 12.4, a third assembly phase is reached, in which the first railing rod 11.1 forming a hip or back railing and the second railing rod 11.2 are fastened in advance, forming a knee railing, on the second floor 93.2 (see figure 7 ).

The fitter 92 can then climb onto the scaffolding floors 95 of the second floor 93.2 and is then secured there against falling over the two banister rods 11.1, 11.2 that have already been mounted in advance.

To disassemble, proceed in reverse order.

Reference List

10

Device/Railing Adapter/Railing Fixing Adaptor

11

Railing device/railing rod

11.1

(first) baluster

11.2

(second) baluster

12

Scaffolding element/scaffolding standard/modular scaffolding standard

12.1

(first) scaffolding post

12.2

(second) scaffolding post

12.3

(third) scaffolding post

12.4

(fourth) scaffolding post

13

Outer surface(s)/scaffolding element outer surface(s) of 12

14

connection head

15

Railing attachment bracket

16

wedge/connecting wedge

17

Projection/rosette/perforated disc

18

breakthrough

18.1

(small) opening

18.2

(big) breakthrough

19

Pan Axis/Rotation Axis

20

locking lever

21

connector

22

plant part

23

attachment side

24.1

first (upper) wall part

24.2

second (lower) wall part

25.1

first (upper) contact surface of 24.1

25.2

second (lower) contact surface of 24.2

26.1

first (upper) head part

26.2

second (lower) headboard

27.1

first (upper) wedge opening

27.2

second (lower) wedge opening

28

scaffold tube

31

first direction (up)

32

second direction (down)

33

third direction (forward)

34

fourth direction (backward)

35

fifth direction (double arrow)

36

sixth direction (double arrow)

37.1

first (upper) wall part

37.2

second (lower) wall part

38

connection side

39

rear wall part

40

rear panel surface

41.1

side panel part

41.2

side panel part

41.3

side panel part

41.4

side panel part

42

waistband/collar

43

(first) breakthrough

44

(second) breakthrough/zinc drain hole

45

(central) passage opening/zinc drain opening

46.1

(vertical) sidewall portion exterior surface

46.2

(vertical) sidewall portion exterior surface

46.3

(vertical) sidewall portion exterior surface

46.4

(vertical) sidewall portion exterior surface

47

center axis/stem axis

48

wedge angle

50

Connection head center plane/connection head center plane of symmetry

51.1

angle

51.2

angle

52

slot/slot

53.1

first (upper) slot surface

53.2

first (upper) slot surface

54.1

second (lower) slot surface

54.2

second (lower) slot surface

55

Midplane slot/midplane slip-on slot

56

passage

57.1

first (upper) wedge end

57.2

second (lower) wedge end

58

Thickening/rivet head

59

Outline of 40

60

Asset Height

61

Plant part width

62

Railing Fastening Device

63

(rectangular) through hole

64

Long axis of 63

65

flat material

66

through hole width

67

tab thickness

68.1

first face

68.1

second side face

69

tab midplane

70

Clearance Length / Clearance Height

71

support part

72

anti-jemmy part

73

(first) railing support part

74

(second) railing support part

75

Contact surface of 71

76

Distance

77

thickness/thickness of the washer

78

Distance

79

anti-lift area

80

passage opening

82

locking surface

83

locked position

84

(vertical) distance

85

(vertical) distance

86

Breakthrough Width (of 43)

87

fasteners (grooved pin)

90

arrangement

91

scaffolding/scaffolding

92

fitter

93.1

first floor

93.2

second/next floor

94

hanging hook

95

scaffolding floor

96

longitudinal bars

97

cross bar

Claims (15)

1. A device (10) for detachably fastening at least one railing arrangement (11) to a scaffolding element (12), comprising a connection head (14) and a wedge (16) for detachably fastening the device (10) to a projection (17) of the scaffolding element (12), which projection has at least one aperture (18) for fitting the wedge (16) therethrough,

   wherein the connection head (14) can be positively locked to the projection (17) by means of the wedge (16) which can be fitted through the at least one aperture (18) of the projection (17) in order to form a detachable connection, and can be braced against the scaffolding element (12),

   and wherein the connection head (14) has a connection part (21) and an abutment part (22), which are integrally connected to one another, and wherein the abutment part (22) has abutment wall parts (24.1, 24.2) which have abutment faces (25.1, 25.2) for abutting against scaffolding element outer faces (13) of the scaffolding element (12),

   and wherein the connection head (14) has a first head part (26.1) and a second head part (26.2) which have wedge openings (27.1, 27.2) for the wedge (16) which can be fit or is fit therethrough and which are integrally connected to one another,

   and wherein the first head part (26.1) has a first wedge opening (27.1) of the wedge openings (27.1, 27.2) for the wedge (16) which can be fit or is fit through the first wedge opening (27.1), and has a first abutment face (25.1) of the abutment faces (25.1, 25.2) of the abutment part (22) for abutting against a first scaffolding element outer face of the scaffolding element outer faces (13) of the scaffolding element (12),

   and wherein the second head part (26.2) has a second wedge opening (27.2) of the wedge openings (27.1, 27.2) for the wedge (16) which can be fit or is fit through the second wedge opening (27.2) and has a second abutment face (25.2) of the abutment faces (25.1, 25.2) of the abutment part (22) for abutting against a second scaffolding element outer face of the scaffolding element outer faces (13) of the scaffolding element (12),

   and wherein the connection head (14), as viewed in a first direction (31), is delimited with a first wall part (37.1) containing the first wedge opening (27.1) and, as viewed in an opposite second direction (32), is delimited with a second wall part (37.2) containing the second wedge opening (27.2),

   and wherein the connection head (14), as viewed in a third direction (33), is delimited towards its support side (23) with the abutment wall parts (24.1, 24.2) of the abutment part (22) and, as viewed in an opposite fourth direction (34), is delimited towards its connection side (38) with a rear wall part (39) of the connection part (21),

   and wherein the connection head (14) is delimited in a circumferential direction with side wall parts (41.1, 41.2, 41.3, 41.4),

   and wherein the first wall part (37.1), the second wall part (37.2), the abutment wall parts (24.1, 24.2), the rear wall part (39) and the side wall parts (41.1, 41.2, 41.3, 41.4) are formed leaving cavities,

   and wherein, as viewed in the third direction (33), the connection head (14) tapers with its side wall parts (41.1, 41.2, 41.3, 41.4) towards its support side (23),

   and wherein the side wall parts (41.1, 41.2, 41.3, 41.4) have side wall part outer faces (46.1, 46.2, 46.3, 46.4) which, as viewed in the third direction (33), run in a wedge-like manner towards a center axis (47) and enclose a wedge angle (48),

   and wherein the rear wall part (39) has a rear wall part face (40) pointing in the fourth direction (34),

   and wherein between the first head part (26.1) and the second head part (26.2), a fitting slot (52) which extends up to the connection part (21) and, as viewed in the third direction (33), is open towards the support side (23) and the side wall part outer faces (46.1, 46.2, 46.3, 46.4) of the side wall parts (41.1, 41.2, 41.3, 41.4) is formed for fitting the connection head (28) onto the projection (17),

   and wherein the fitting slot (52), as viewed in the first direction (31), is delimited towards the first head part (26.1) with first slot faces (53.1, 53.2) of the first head part (26.1) and, as viewed in the second direction (32), is delimited towards the second head part (26.2) with second slot faces (54.1, 54.2) of the second head part (26.2), which extend on either side of a fitting slot central plane (55) of the fitting slot (52),

   and wherein a passage (56) for the wedge (16) is formed between the first wedge opening (27.1) and the second wedge opening (27.2), which passage extends through the first head part (26.1) and through the second head part (26.2) by intersecting the fitting slot (52),

   and wherein a railing fastening device (62) for detachably fastening the at least one railing arrangement (11) is permanently fastened to the connection part (21) of the connection head (14),

   wherein the railing fastening device (62) contains a rigid railing fastening tab (15) which is permanently connected to the rear wall part (39) of the connection head (14), and

   characterized in that the connection head has a through hole (63) which is rectangular or formed as an elongated hole for detachably fitting in at least one railing bar end of at least one railing bar of the at least one railing arrangement (11) and for receiving a railing bar bearing part of the at least one railing bar end, and in that the through hole (63) extends along its longitudinal axis (64) which extends perpendicular to the fitting slot central plane (55) and/or which extends either in the direction of the center axis (47) or parallel to the center axis (47).
2. The device according to claim 1 , characterized in that the railing fastening tab (15) having a uniform tab thickness (67) consists of a flat material (65).
3. The device according to claim 1 or 2, characterized in that the railing fastening tab (15) has a first side face (68.1) and a second side face (68.2) pointing away therefrom in an opposite direction, between which the through hole (63) extends and which extend on both sides of a tab central plane (69) of the railing fastening tab (15).
4. The device according to any one of the preceding claims, characterized in that the side wall part outer faces (46.1, 46.2, 46.3, 46.4) extend on either side of a connection head central plane (50) which contains the center axis (47) and which, as viewed in a projection in a plane perpendicular to the connection head center plane (50), has an equal angle (51.1, 51.2) to the side wall part outer faces (46.1, 46.2, 46.3, 46.4) of the side wall parts (41.1, 41.2, 41.3, 41.4), which is half as large as the wedge angle (48), and in that the tab central plane (69) coincides with the connection head center plane (50),
   or
   in that the side wall part outer faces (46.1, 46.2, 46.3, 46.4) extend on either side of a connection head central plane of symmetry (50) which contains the center axis (47) of the connection head (28) configured symmetrical thereto and which, as viewed in a projection in a plane formed perpendicular to the connection head center plane of symmetry (50), has an equal angle (51.1 , 51.2) to the side wall part outer faces (46.1, 46.2, 46.3, 46.4) of the side wall parts (41.1 , 41.2, 41.3, 41.4), which is half as large as the wedge angle (48), and in that the tab central plane (69) coincides with the connection head central plane of symmetry (50).
5. The device according to any one of the preceding claims, characterized in that the longitudinal axis (64) or the tab central plane (69) is either arranged in a plane arranged parallel to the connection head central plane at a distance from the connection head central plane or coincides with the connection head central plane (50) or with the connection head central plane of symmetry (50) .
6. The device according to any one of the preceding claims, characterized in that the railing fastening tab (15) is permanently fastened to the rear wall part face (40) of the rear wall part (39) of the connection head (14), which is formed perpendicular to the fitting slot central plane (55).
7. The device according to any one of the preceding claims, characterized in that the railing fastening tab (15) extends in the first direction (31) beyond the first head part (26.1), so that the through hole (63) extends at least partially beyond the first head part (26.1).
8. The device according to any one of the preceding claims, characterized in that the connection part (21), at least in an edge region associated with the first head part (26.1), as viewed in the fourth direction (34), has a flange (42) or collar which projects beyond the rear wall part face (40) of the rear wall part (39) and which is provided with a first aperture (43) through which a wall part (74) of the railing fastening tab (15) extends in the first direction (31), wherein the aperture (43) has an aperture width (86) slightly greater than a tab thickness (67) of the railing fastening tab (15) in the region of the first aperture (43).
9. The device according to claim 8, characterized in that, as viewed in the third direction (33), the first aperture (43) opens towards the support side (23) of the connection head (14) into the first wedge opening (27.1).
10. The device according to any one of the preceding claims, characterized in that the rear wall part (39) of the connection head (14) is rectangular in shape and/or that the rear wall part face (40) of the rear wall part (39) has a rectangular outer contour (59), and in that the abutment part (22) of the connection head (14), as viewed in a fifth direction (35) perpendicular to the fitting slot central plane (55), has a abutment part height (60) and, as viewed in a sixth direction (36) perpendicular thereto, has a abutment part width (61) which is smaller than the abutment part height (60).
11. The device according to any one of the preceding claims, characterized in that the railing attachment tab (15) comprises a bearing part (71), an anti-lift protection part (72), a first railing support part (73) and a second railing support part (74) which delimit the through hole (63), wherein the bearing part (71) has a bearing face (75) for supporting at least one railing bar end of at least one railing bar of the at least one railing arrangement (11) in the second direction (32), and wherein the second railing support part (74) is permanently connected to the rear wall part (39) of the connection head, and wherein the anti-lift protection part (72) has an anti-lift protection face (79) pointing in the second direction (32) for preventing the at least one railing arrangement (11) from being lifted out in the first direction (31).
12. The device according to claim 11, characterized in that the bearing surface (75), viewed in the first direction (31), either has a distance (78) from the fitting slot central plane (55) of between 23 mm and 63 mm, or from 43 mm or from 26 mm, or a distance (76) from the first slot surfaces (53.1, 53.2) of the first head part (26.1) of between 18 mm and 58 mm, or from 38 mm or from 21 mm.
13. The device according to any one of the preceding claims, characterized in that a locking lever (20) which can be pivoted about a pivot axis (19) relative to the connection head (14) is fastened to the railing fastening tab (15), which locking lever has a locking face (82) for positively locking the at least one railing arrangement (11) against removal thereof in the first direction (31) in a locking position (83) of the locking lever (20) and which is fastened to the railing fastening tab (15) by means of a fastening means (87) containing the pivot axis (19) and is pivotable about the pivot axis (19) from an unlocking position to the locking position (83) and vice versa, and wherein in the locking position (83) of the locking lever (20), the locking face (82) of the locking lever (20) is opposite the bearing surface (75) of the bearing part (71) of the railing fastening tab (15) and, as viewed in the first direction (31), is arranged at a distance (84) from the bearing face (75) of the bearing part (71), and wherein in the locking position (83) of the locking lever (20), the pivot axis (19), as viewed in the first direction (31), is arranged at a distance (85) from the locking face (82) of the locking lever (20).
14. An arrangement (90) of a scaffolding element (12) and a device (10) according to any one of the preceding claims, characterized in that the scaffolding element (12) is permanently connected to the projection (17) which has the at least one aperture (18), and wherein the connection head (14) of the device (10) is fitted with its fitting slot (52) onto the projection (17) and the wedge (16) is fitted through the first head part (26.1), through the aperture (18) and through the second head part (26.2) such that a detachable connection is established in which the connection head (14) of the device (10) is positively locked to the projection (17) by means of the wedge (16) and is braced against the scaffolding element (12) via the abutment faces (25.1, 25.2) of the abutment wall parts (24.1, 24.2) abutting against the scaffolding element outer faces (13) of the scaffolding element (12).
15. A scaffolding (91) with at least one arrangement (90) according to claim 14, which can be constructed with a leading railing arrangement (11) or is constructed with a leading railing arrangement (11), characterized in that that at least one railing bar end of at least one railing bar of the at least one railing arrangement (11) is fitted into the through hole (63) of the railing fastening tab (15) of the device (10), which is rectangular or formed as an elongate hole, and is supported and/or suspended there in the second direction (32) on the railing fastening tab (15).

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