AT77300B - Adjustable length beam for shuttering concrete ceilings. - Google Patents

Adjustable length beam for shuttering concrete ceilings.

Info

Publication number
AT77300B
AT77300B AT77300DA AT77300B AT 77300 B AT77300 B AT 77300B AT 77300D A AT77300D A AT 77300DA AT 77300 B AT77300 B AT 77300B
Authority
AT
Austria
Prior art keywords
locking piece
adjustable length
length beam
concrete ceilings
shuttering
Prior art date
Application number
Other languages
German (de)
Inventor
Frantisek Petras
Original Assignee
Frantisek Petras
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 Frantisek Petras filed Critical Frantisek Petras
Application granted granted Critical
Publication of AT77300B publication Critical patent/AT77300B/en

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  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Description

  

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Der Träger gemäss der Erfindung besitzt eine einfache, leichte und dabei feste Konstruktion, während seine Länge leicht und schnell   veränderbar iat.   



    PATENTANSPRÜCHE :   1. Träger mit veränderbarer Länge für die Verschalung von Betondecken, Bestehend 
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The carrier according to the invention has a simple, light and at the same time solid construction, while its length can be changed easily and quickly.



    PATENT CLAIMS: 1. Beam with variable length for shuttering concrete ceilings, existing
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Claims (1)

welche Haken (9, 10) Ketten (12, 13) eingehängt sind, deren Länge geändert werden kann und die durch eine Spannvorrichtung (14) verbunden sind. which hooks (9, 10) chains (12, 13) are suspended, the length of which can be changed and which are connected by a tensioning device (14). 3. Träger nach Anspruch l, dadurch gekennzeichnet, dass der innere Trägerteil (b) um Ende mit einem unten gezahnten Sperrstüclc (/5) versehen ist, an das sich unten eine mit ihrem Ende am Bolzen (17) des äusseren Teiles (a) hängende Zahnstange (16) anschliesst, wobei das Sperrstück (15) init einem an der Querschraube (18) hängenden und mit seinen Enden die Eisen der beiden Teile (a, b) umklammernden Bügel (19) versehen ist, der eine vertikale Schraube (20) besitzt, mittels welcher die Zahnstange (16) an das Sperrstück (15) angedrückt werden kann, während durch das Anziehen der im Sperrstück be- findlichen Querschraube (18) die Winkeleisen (2, 2', 3, 3') der beiden Teile (n, b) 3. Carrier according to claim l, characterized in that the inner carrier part (b) is provided around the end with a locking piece (/ 5) which is toothed below, to which one with its end on the bolt (17) of the outer part (a) hanging rack (16), the locking piece (15) being provided with a bracket (19) hanging from the cross screw (18) and clasping the iron of the two parts (a, b) with its ends, which has a vertical screw (20 ), by means of which the rack (16) can be pressed against the locking piece (15), while by tightening the cross screw (18) in the locking piece the angle iron (2, 2 ', 3, 3') of the two parts (n, b) durch die Bügelenden fest aneinander gepresst werden können. can be pressed firmly together by the temple ends.
AT77300D 1915-12-09 1915-12-09 Adjustable length beam for shuttering concrete ceilings. AT77300B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT77300T 1915-12-09

Publications (1)

Publication Number Publication Date
AT77300B true AT77300B (en) 1919-07-25

Family

ID=3598908

Family Applications (1)

Application Number Title Priority Date Filing Date
AT77300D AT77300B (en) 1915-12-09 1915-12-09 Adjustable length beam for shuttering concrete ceilings.

Country Status (1)

Country Link
AT (1) AT77300B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2835358A (en) * 1952-08-28 1958-05-20 Hubert J Lusum Form carrier and form skeleton constructed therewith
US4768938A (en) * 1987-09-21 1988-09-06 Greeson Logan C Apparatus for pouring concrete slabs
US4921649A (en) * 1987-09-21 1990-05-01 Greeson Logan C Method for pouring concrete slabs

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2835358A (en) * 1952-08-28 1958-05-20 Hubert J Lusum Form carrier and form skeleton constructed therewith
US4768938A (en) * 1987-09-21 1988-09-06 Greeson Logan C Apparatus for pouring concrete slabs
US4921649A (en) * 1987-09-21 1990-05-01 Greeson Logan C Method for pouring concrete slabs

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