Door curtain assembly having variable screening rate structure
US10926612B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Oct 17, 2018 |
| Grant date | Feb 23, 2021 |
| Priority date | — |
| Expiry date | Jul 17, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60J1/2083
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A door curtain assembly having a variable screening rate structure may include an internal curtain provided to be wound in a door trim and having patterns; an external curtain provided to be wound in the door trim and having a plurality of patterns; a control knob to which an upper edge portion of the internal curtain and an upper edge portion of the external curtain are fixed, and which is configured to adjust the positions of the internal and external curtains so that a rate at which the patterns of the internal curtain and the patterns of the external curtain overlap with each other may be changed, whereby the screening rate may be adjusted; and a curtain hook disposed on an upper end portion of a door frame so that the control knob may be locked to the curtain hook.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.