Patent · US Active

Lower door section having a folding roller bracket

US11585135B2 · kind B2 · utility

0Cited by
5References
22Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 2, 2018
Grant dateFeb 21, 2023
Priority date
Expiry dateOct 4, 2039

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE05Y2900/132
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A door having a door body that can be lifted, along a predetermined path, from a closed position in which it closes a wall opening into an open position in which it is located substantially overhead, the door body having two, three or more door body elements arranged one on top of the other in the closed position, is modified according to the invention in that a lower edge of the door body in the closed position and trailing during the lifting can be lifted separately, when the door reaches the open position, by a pivoting movement of a lower door body element having said edge in a lifting direction with respect to a door body element situated above it in the closed position relative to the predetermined path.

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