US 12,234,675 B2
Safety door assembly
Holger Kempf Hansen, Ejstrupholm (DK); Emma Sofie Marquart Loeber, Vejle (DK); and Jeferson Luiz Villalta, Vejle (DK)
Assigned to SIEMENS GAMESA RENEWABLE ENERGY A/S, Brande (DK)
Filed by Siemens Gamesa Renewable Energy A/S, Brande (DK)
Filed on Jan. 6, 2023, as Appl. No. 18/094,139.
Claims priority of application No. 22151556 (EP), filed on Jan. 14, 2022.
Prior Publication US 2023/0228134 A1, Jul. 20, 2023
Int. Cl. E05C 7/06 (2006.01); E06B 3/36 (2006.01); E06B 3/42 (2006.01)
CPC E05C 7/06 (2013.01) [E06B 3/36 (2013.01); E06B 3/42 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A safety door assembly for a hoist window of a structure, the safety door assembly comprising:
a sliding door arranged to reveal or conceal the hoist window in an essentially vertical wall of the structure; 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;
wherein the barrier assembly is configured to prevent the sliding door from revealing the hoist window when the barrier assembly is open, and the sliding door is configured to prevent opening of the closed barrier assembly when the sliding door reveals the hoist window.