Title:
AUTOMATIC DOOR OPENING/CLOSING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2024/090621
Kind Code:
A1
Abstract:
Disclosed is an automatic door opening/closing apparatus. The automatic door opening/closing apparatus automatically opens a closed door or automatically closes an open door. The automatic door opening/closing apparatus according to an embodiment of the present invention comprises a housing, an inner support portion, a piston assembly, an inner support driving portion, and a piston driving portion. Also, an automatic door opening/closing apparatus according to another embodiment of the present invention comprises a housing, an inner movement portion, a damper assembly, a damper driving portion, and a body driving portion.
Inventors:
KIM YONGJUN (KR)
Application Number:
PCT/KR2022/016650
Publication Date:
May 02, 2024
Filing Date:
October 28, 2022
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
E05F15/53; E05F3/04; E05F15/614
Foreign References:
| US20040035057A1 | 2004-02-26 | |||
| EP2510174B1 | 2020-12-30 | |||
| JPH0953365A | 1997-02-25 | |||
| JP2005282303A | 2005-10-13 | |||
| KR100899783B1 | 2009-05-28 |
Attorney, Agent or Firm:
PARK, Jang-Won (KR)
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