AT77554B - Movable stair grate. - Google Patents

Movable stair grate.

Info

Publication number
AT77554B
AT77554B AT77554DA AT77554B AT 77554 B AT77554 B AT 77554B AT 77554D A AT77554D A AT 77554DA AT 77554 B AT77554 B AT 77554B
Authority
AT
Austria
Prior art keywords
grate
grating
stair
parts
movable stair
Prior art date
Application number
Other languages
German (de)
Original Assignee
Prager Maschb Aktien Ges
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 Prager Maschb Aktien Ges filed Critical Prager Maschb Aktien Ges
Application granted granted Critical
Publication of AT77554B publication Critical patent/AT77554B/en

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Description

  

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 bewegt. Bei einer anderen   Ausführungsform   können die Kuppelglied unten mit wagerechten ebenen Endflächen versehen sein, mit denen sie sich auf einer wagerechten ebenen   Stützfläche   hin-und her bewegen können. 



   PATENT-ANSPRÜCHE :
1.   Beweglicher Treppenrost   mit abwechselnd hin und her bewegten Rippenroststäben, deren Brennbahn aus einzelnen abnehmbaren Teilen besteht, von welchen jeder aus einer Anzahl ein Ganzes bildenden Stufenplatten mit dazwischen befindlichen Luftdurchtrittsöffnungen gebildet ist, dadurch gekennzeichnet, dass der obere Steg jedes Rippenroststabes   lappenförnie   Fortsätze besitzt, an welchen die mit entsprechenden Anpässen versehenen Brennbahnteile mittels Schrauben befestigt oder mittels nach unten gerichteter seitlicher, hakenförmiger Nasen   angehängt sind.  



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 EMI2.1
 emotional. In another embodiment, the coupling elements can be provided at the bottom with horizontal flat end surfaces with which they can move back and forth on a horizontal flat support surface.



   PATENT CLAIMS:
1. Movable stepped grating with ribbed grating bars alternately moved to and fro, the focal path of which consists of individual removable parts, each of which is formed from a number of step plates forming a whole with air passage openings in between, characterized in that the upper web of each rib grating bar has lobe-shaped projections, to which the internal path parts provided with corresponding adaptations are fastened by means of screws or are attached by means of downwardly directed lateral, hook-shaped lugs.

Claims (1)

2. Treppenrost nach Anspruch l, dadurch gekennzeichnet, dass dieBre11nbahnteile mittels oberer oder seitlicher, gerader oder achwalbenschwanzförmiger Nuten bzw. Federn mit den EMI2.2 gesicherten Brennbahnteile am unteren Ende des Roststabes ein abnehm-und auswechselbfu'pr. mit Schrauben oder in anderer Weise befestigter Riegel angebracht ist. 2. Stair grating according to claim 1, characterized in that dieBre11nbahnteile by means of upper or lateral, straight or axillary-tail-shaped grooves or tongues with the EMI2.2 secured fire path parts at the lower end of the grate bar a removable and exchangeable foot. attached with screws or otherwise fastened latch. 4. Treppenrostanlage nach Ansprüchen 1 bis 3, deren Rippenroststäbe aus zweioder mehreren l'eilen zusammengesetzt sind, dadurch gekennzeichnet, dass die Teile durch je ein Kuppelglied gelenkig verbunden sind, das sich mittels Schwingstelze, Rolle, ebener Fläche oder dgl auf einen im Räume unterhalb des Rostes liegenden Querträger beweglich stützt. 4. Stair grating system according to claims 1 to 3, the rib grating bars are composed of two or more l'eile, characterized in that the parts are articulated by a coupling element each, which is by means of swing stilt, roller, flat surface or the like on a room below of the grate lying cross member movably supported.
AT77554D 1913-08-18 1913-08-18 Movable stair grate. AT77554B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT77554T 1913-08-18

Publications (1)

Publication Number Publication Date
AT77554B true AT77554B (en) 1919-08-11

Family

ID=3599160

Family Applications (1)

Application Number Title Priority Date Filing Date
AT77554D AT77554B (en) 1913-08-18 1913-08-18 Movable stair grate.

Country Status (1)

Country Link
AT (1) AT77554B (en)

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