DE1957869A1 - Prefabricated wooden stairs with adjustable and exchangeable wooden steps - Google Patents

Description

for the invention of a prefabricated wooden staircase with adjustable and interchangeable wooden steps.

The invention relates to a wooden staircase without risers @ the steps are arranged between the wooden wall cheek and the one on the not cheek side Stair harp arranged from square tubular steel profiles.

The starting point for the invention was to find a staircase that has the following @characteristics and advantages: The staircase construction found has through its characteristic that it has no cheekbones and no risers, the vault, because @ it appears transparent and elegant. It thus leads to an optical magnification of the stairwell.

Since the steps are not wedged into the wall cheek, there are no treads @ nar @ noises on and the sound transmission into the staircase house wall caused by the Entering it is reduced to an absolute minimum.

Due to the clear, simple construction it is an industrial, inexpensive one Prefabrication possible. The stairs can be manufactured in series because the after the DIN ib 201 permissible dimensional tolerances of the shell construction due to the adjustability the construction can be compensated for during installation. The static system is simple and definite, as the traffic load of the stairs acts as a tensile force on the vertical tubular steel profiles occurs.

During the construction period, the staircase construction can be used as a construction staircase as the ready-to-use treated and varnished natural wood or opaque lacquered and textile-covered steps provide a stable and hard-wearing Packaging received, which is only removed after moving into the houses.

In a further development of the invention, it is thought that the staircase construction with all associated aids, such as fastening elements ctc., precise installation instructions etc.

To be sent protectively packaged, so that interested builders under Saving the assembly costs in your own building.

Due to the peculiarity of the door construction, @@ @@ is the same, also to at a later point in time on the simplest @rt and w @ ise damaged stairs to replace, chne to have to disassemble the whole instruction like this can be the case with conventional types of stairs.

The invention of the stair construction is used for all @ stair shapes and types as well as for any floor height and gradient. On-site The only prerequisites are compliance with the specified stair hole dimensions and the guarantee that the desired staircase complies with the local building regulations is equivalent to.

The invention is shown on the 7 drawings of the appendices 1-7.

Appendix 1: Shows the overview to find de @ on the following Details shown in annexes Annex 2: Shows floor plan and horizontal section of the step connection to the vertical tubular steel profiles on the light string side and the view of the vertical tubular steel profiles and the end grain of the step seen against the light cheek side.

Attachment 3: Shows the same projection of the same place as on Appendix 2 shown, but with an alternatively released connecting element between Step and vertical stable tube protiles.

Appendix 4: Shows the vertical and horizontal section of the step connection on the wall cheek by means of an adjustable connecting element and the attachment the wall cheek on the masonry.

@ nl @ ge @: Shows the same projection @@@ @ the same slope as on @ n @ age 4 d @ r set, but with an alternative @@ detached link @ men @ between St @ fe and wall stringer.

@nlage @: Shows the vertical section of the fastening of the vertical @ real St @ hl @ o @ pr @ fil @ @@ @@@@ pe @@@. @ n @ the view @@@ ser attachment from the T @@ ppe off against the @ n @@ nk @@ te des Trepp @@ loches. With this @nsicht @@ rde the @ r @ ppenloch @@ r clothing made of wood not shown for the sake of clarity.

Enclosure 7: On @@@ t @ 7 it is shown how the attachment of the vertical Steel tube profiles are made under the ceiling.

On sheet 1 of the annex is the overview drawing of a staircase shown. Your aim is to find the individual construction points on the following Facilitate investments.

On sheet 2 of the annex is the connection of the stair step riiit @en vertical tubular steel profiles by means of a height-adjustable fastening element Shown from l-ietall. A screw is created through the vertical tubular steel profile guided with inside machined thread plate. This threaded plate has internal threads and engages in the spacer to which the support lip is attached, into it. A set screw is inserted vertically through the spacer and the G @ winding plate guided. The height of the spacer can be adjusted by pressing the adjusting screw and thus also the level can be changed. The support lip of the spacer is Rounded in plan and engages in the milled groove of the wooden step.

On sheet 3 of the annex there is an alternative fastening element for the same place on the stairs as described on Appendix 2. The spacer with molded support lip from all is so excepted in the spacer and provided with an elongated hole that after loosening the going through the tubular steel profile Screwing changes the height of the fastening element and thus also the step can be.

On sheet 4 of the annex you can see the step fastening on the wall cheek shown. The fastening element used here is the same Principle like the one described on Appendix 2. The attachment is different @@@ en @ over the on Ger Eichtwangseite only because @ the on - @@ gerlippe smaller sit and not connect with two @@ s @ an @ brackets The @andwange seibst is in self @ chrenden splaying @ leg from @@@@@ @@, which are in that @auerwerk @ ing @@ assch, fastened with a ve @@@@@ t lieg @ n @ ch screw.

@ on sheet 5 of the annex is the @ lterantiv fastening element z @@ @@ uf @ n @@ consolidation at the @@ ndwange @ argeste @@ t. This fastening element is after the same principle as described in Appendix 3. Here is the support lip Provide a recess so that the pin holder can be loosened or tightened @ the screw connection can be inserted and operated.

On sheet 6 of the annex is the fastening of the vertical tubular steel profiles shown at the stairwell. On the vertical reinforced concrete edge of the stair hole an anchor rail is attached or dowelled. In this anchor rail is a hammer head screw inserted. The screw goes through the adjustable constructed metal spacer sleeve and the vertical tubular steel profile. This vertical tubular steel profile has vertical slots, which are covered with cover plates the construction is tightened with a cap nut. Thanks to this construction the vertical tubular steel profiles can be adjusted in three directions and at the same time the stairhole cladding made of wood can be attached.

On sheet 7 of the annex is the fastening of the vertical tubular steel profiles shown on the lower edge of the ceiling, e.g. if the stair hole in the overlying one Floor is bricked up. In this case, an anchor rail is attached to the lower edge of the ceiling dowelled.

The vertical tubular steel profiles are welded in at the upper end with a T-head screw provided so that they can be hooked in and screwed tight. The wooden stairhole cladding is placed between the vertical tubular steel profiles with @@@@ head screws and cap nuts are also attached to the anchor rail.

The assembly is done in such a way that the wall cheek and the vertical Steel tube profiles are attached, then the reinforcement elements for the Steps to the desired height - @@ cht. In order to loosen the screw later - @@@@@@ dun @@@ z @ ver @ eiden, screws and nuts are sold with @@ t @@@ lk @@ ber @ @uf the @un fixed support lips are provided with a groove in the end grain Steps pushed on from the front and fastened from below with fixing screws. Thereafter the rear step groove is closed with glued-in wooden dowels because of the optics.

Claims (8)

P A T E N T A N S P R Ü C H E 1. Holzt @ eppe, characterized in that the stairs @@@ nholzseiten of metal fastening elements whose support lips grip into the stepped groove, is held. The steps are without risers on the wall string and the vertical @ real ones Steel tube profiles and mounted at a distance from them. The wall cheek is fitted with self-drilling metal expansion dowels @auerwerk invisibly attached from the side of the stairs. The holes in the cheek are pegged. 2. The wooden stairs are represented by those shown on the attachments Mounting elements adjustable in height. 3. The fastening of the vertical steel ear profiles to the edge of the stair hole is adjustable in three directions (see @nlage @). When the stair construction is installed over two floors, i.e. 2 stairs one above the other, and difficulties for the introduction of the correspondingly long tubular steel profiles are to be expected encountered the profiles at this point. 4. The fastening of the steel pipe profile ends under the ceiling is in two directions are possible because the steel tube profiles are once in the longitudinal direction the anchor rail can be moved and, on the other hand, that the anchor rail itself attached at right angles to its longitudinal axis as required> earthed. 5. With appropriate packaging, the finished Steps are used as building stairs during the construction period. 6. The design features shown make it possible at any time to replace damaged steps in a simple manner. It must do this only unscrewed the fixing screws and the rear dowelling of the stepped groove can be removed and the step can be removed from the front. 7. The invention and the claims for protection affect all here Design features shown, even if individual parts of the construction alone Or combined with each other in a different way, come into play. 8. The invention finds @nwendun the same for all possible stairs which door and shape as well as each dimension, direction of travel, floor height, incline ratios. After a thorough examination, thought is given to the fasteners if possible also made of plastic.