Title:
FLAT-TYPE VENTILATION DOOR-WINDOW STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2021/232917
Kind Code:
A1
Abstract:
A flat-type ventilation door-window structure, comprising: a frame (1), a first swing leaf (2) and a second swing leaf (3), the first swing leaf (2) and/or the second swing leaf (3) sliding up and down in an opening (11) of the frame (1), a first guide device (300) and a second guide device (400) being respectively provided between the first swing leaf (2) or the second swing leaf (3) and the frame (1), the first guide device (300) and the second guide device (400) being able to guide the first swing leaf (2) or the second swing leaf (3) to change a sliding path. The flat-type ventilation door-window structure can block outdoor sound, rain and air, and improve sound insulation and water and air tightness.
Inventors:
ZHANG DEYOU (CN)
Application Number:
PCT/CN2021/081511
Publication Date:
November 25, 2021
Filing Date:
March 18, 2021
Export Citation:
Assignee:
TAROKO DOOR & WINDOW TECH INC (CN)
International Classes:
E06B3/50; E05D15/22; E05D15/48; E06B3/42; E06B3/44
Foreign References:
| CN111980556A | 2020-11-24 | |||
| US20090265991A1 | 2009-10-29 | |||
| CN102486072A | 2012-06-06 | |||
| CN109339651A | 2019-02-15 | |||
| CN1052523C | 2000-05-17 | |||
| GB2291916A | 1996-02-07 | |||
| CA2011239A1 | 1991-09-01 | |||
| TW498924U | 2002-08-11 | |||
| TWM274437U | 2005-09-01 | |||
| TWM250028U | 2004-11-11 |
Other References:
See also references of EP 4134510A4
Attorney, Agent or Firm:
SHENZHEN JAHONGBO INTELLECTUAL PROPERTY AGENT OFFICE (CN)
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