Patent · US Active

Shading device

US12280639B2 · kind B2 · utility

1Cited by

8References

19Claims

0Family size

Assignee

Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Bernhard Schmid · Friedberg, DE
Yongpeng Xia · Beijing, CN
Xiaofei Yang · Qidong, CN

Key dates

Filing date	Apr 1, 2021
Grant date	Apr 22, 2025
Priority date	—
Expiry date	Nov 15, 2041

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60J1/2066
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A shading device includes a shading curtain and a drawing device. The shading curtain includes a first and second shading layer that have at least two types of light transmission areas with different light transmission properties. The drawing device includes a first and second drawing member. The first drawing member is connected with the first shading layer and is configured to draw the first shading layer. The second drawing member is connected with the second shading layer and is configured to draw the second shading layer. The first and second drawing members are movable relative to each other between a first relative position and a second relative position. The first and the second shading layers parallelly move relative to each other. In the first relative position, the shading curtain has a first light transmission property, and in the second relative position, the shading curtain has a second light transmission property.

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