Patent · US Active

Telescoping formwork support with twist-proof region

US11319714B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

DOKA GMBH · AT

Inventors

Anton Plank · Ybbs an der Donau, AT
Gerald Burgstaller · Ybbs an der Donau, AT
Erich Spreitzer · Ybbsitz, AT

Key dates

Filing date	Oct 28, 2020
Grant date	May 3, 2022
Priority date	—
Expiry date	Oct 28, 2040

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21D15/24
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

Formwork support comprising an outer support part and a telescopic inner support part, wherein the inner support part comprises a twist-proof portion and the outer support part comprises a twist-proof region with a first inner contour, wherein during telescoping of the inner support part, the twist-proof region of the outer support part cooperates with the twist-proof portion of the inner support part in such a manner that a twisting of the inner support part about its longitudinal axis with respect to the outer support part is blocked, wherein the outer support part comprises a guide region with a second inner contour which differs from the first inner contour for guiding the inner support part.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.