Patent · US Active

Safety door assembly

US12234675B2 · kind B2 · utility

0Cited by
0References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 6, 2023
Grant dateFeb 25, 2025
Priority date
Expiry dateJan 6, 2043

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E10/72
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A safety door assembly for a hoist window of a structure includes a sliding door arranged to reveal or conceal the hoist window; and a barrier assembly which is closed to inhibit access to an area in front of the hoist window or opened to permit access to the area in front of the hoist window; and wherein the barrier assembly is adapted to prevent the sliding door from revealing the hoist window when the barrier assembly is open; and the sliding door is adapted to prevent opening of the closed barrier assembly when the sliding door reveals the hoist window.

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