Patent · US Active

High speed rollup door with rollable door leaf

US8684064B2 · kind B2 · utility

4Cited by

6References

15Claims

0Family size

Assignee

Assa Abloy Entrance Systems AB · SE

Inventor

Friedhelm Frede · Erwitte, DE

Key dates

Filing date	Jun 6, 2008
Grant date	Apr 1, 2014
Priority date	—
Expiry date	Aug 10, 2029

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE06B9/15
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

An industrial rollup door to selectively cover a doorway opening or to provide industrial guarding is presented. The rollup door comprises door leaf, comprised of lamellae, or panels a flexible strip as a lifting belt for selectively lifting and lowering the door, a continuous dampening profile running along the outer surface of each lamellae near an end, and a rotatable spiral disc to accept the lamellae as the door is lifted and to release the lamellae as the door is lowered.

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