AT66909B - Metal rung with inserted wooden bar for ladders and the like. - Google Patents

Metal rung with inserted wooden bar for ladders and the like.

Info

Publication number
AT66909B
AT66909B AT66909DA AT66909B AT 66909 B AT66909 B AT 66909B AT 66909D A AT66909D A AT 66909DA AT 66909 B AT66909 B AT 66909B
Authority
AT
Austria
Prior art keywords
ladders
wooden bar
rung
inserted wooden
metal rung
Prior art date
Application number
Other languages
German (de)
Inventor
Ferdinand Wittmann
Original Assignee
Ferdinand Wittmann
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ferdinand Wittmann filed Critical Ferdinand Wittmann
Application granted granted Critical
Publication of AT66909B publication Critical patent/AT66909B/en

Links

Landscapes

  • Ladders (AREA)

Description

  

   <Desc/Clms Page number 1> 
 
 EMI1.1 
 
 EMI1.2 
   Draufsicht. 



  Die aus Metallblech hergestellte Sprosse- ? ist doppelt-T-förmig gestaltet. Die na. ch obent gerichteten kürzeren Flanschen 2 dienen zur Aufnahme einer als Trittfläche in Verwendung   kommenden, leicht auswechselbaren Holzleiste 3, welche mittels Schrauben   J   befestigt    wird.   



    Durch diese nach oben gerichteten Flanschen wird die Holzleiste gegen ein verschieben nach vorne oder rückwärts geschützt ; ausgetretene Holzleisten können durch Entfernung der   Verbindungsschrauben leicht ausgewechselt werden. 



   Die Befestigung der Sprosse 1 an den vollen oder gesprengten Holmen 5 erfolgt in der Weise, 
 EMI1.3 
 seitliche und einen nach oben vorstehenden Lappen 7 besitzt, angeschraubt wird. Über diese Lappen 7 werden die Enden der nach unten gerichteten Flanschen 2 der Sprosse   1   aufgeschoben und durch Schrauben oder Nieten 8 mit ersteren fest verbunden. Die nach unten gerichteten Flanschen dienen gleichzeitig zur Versteifung der   Sprosse.   

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 
 EMI1.1
 
 EMI1.2
   Top view.



  The rung made from sheet metal? is designed in a double-T-shape. The shorter flanges 2 directed towards the top serve to accommodate an easily exchangeable wooden strip 3 which is used as a step surface and which is fastened by means of screws J.



    These upwardly directed flanges protect the wooden strip from moving forwards or backwards; Knocked out wooden strips can easily be replaced by removing the connecting screws.



   The rung 1 is attached to the full or blown stiles 5 in such a way that
 EMI1.3
 has lateral and an upwardly protruding tab 7 is screwed. The ends of the downwardly directed flanges 2 of the rung 1 are pushed over these tabs 7 and are firmly connected to the former by screws or rivets 8. The flanges facing downwards also serve to stiffen the rung.

** WARNING ** End of DESC field may overlap beginning of CLMS **.

Claims (1)

PATENT-ANSPRUCH : Metallsprosse mit eingelegter Holzleiste für Leitern und dgl., dadurch gekennzeichnet, dass sie einen doppelt-T-förmigen Querschnitt besitzt und ihre nach oben gerichteten Flanschen zur Aufnahme einer leicht auswechselbaren Holzleiste dienen, wogegen die Enden der nach unten gerichteten Flanschen über zwei seitliche und einen oben vorstehenden Lappen des Blechbeschlages der Holme aufgeschoben und mittels Nieten oder Schrauben befestigt sind. EMI1.4 **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. PATENT CLAIM: Metal rung with inserted wooden bar for ladders and the like., Characterized in that it has a double-T-shaped cross-section and its upwardly directed flanges serve to accommodate an easily replaceable wooden bar, whereas the ends of the downwardly directed flanges have two lateral and one Above protruding tabs of the sheet metal fitting of the bars are pushed and fastened by means of rivets or screws. EMI1.4 ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT66909D 1913-02-14 1913-02-14 Metal rung with inserted wooden bar for ladders and the like. AT66909B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT66909T 1913-02-14

Publications (1)

Publication Number Publication Date
AT66909B true AT66909B (en) 1914-10-26

Family

ID=3588826

Family Applications (1)

Application Number Title Priority Date Filing Date
AT66909D AT66909B (en) 1913-02-14 1913-02-14 Metal rung with inserted wooden bar for ladders and the like.

Country Status (1)

Country Link
AT (1) AT66909B (en)

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