Title:
INDUSTRIAL AUTOMATIC DOOR APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/054486
Kind Code:
A1
Abstract:
An industrial automatic door apparatus is disclosed. An industrial automatic door apparatus having a sheet member that moves up and down by means of a motor, according to one embodiment of the present invention, comprises: a guide frame having a sheet receiving portion for accommodating both ends of the sheet member so that the sheet member can move in the vertical direction; a sheet roller member installed on the upper side of the guide frame to wind the sheet member therearound; and a protruding portion formed over the entire vertical range of both ends of the sheet member to couple the sheet member to the sheet receiving portion of the guide frame, wherein the protruding portion is provided to move up and down while being accommodated in the sheet receiving portion.
Inventors:
KIM HO-TAE (KR)
KIM KYOUNG-DEOK (KR)
KIM KYOUNG-DEOK (KR)
Application Number:
PCT/KR2019/011969
Publication Date:
March 25, 2021
Filing Date:
September 17, 2019
Export Citation:
Assignee:
COAD CO LTD (KR)
International Classes:
E06B9/17; E06B9/58; E06B9/80
Foreign References:
| JP2004211298A | 2004-07-29 | |||
| KR200363450Y1 | 2004-10-02 | |||
| KR20170061352A | 2017-06-05 | |||
| JP2003013680A | 2003-01-15 | |||
| KR980002616A | 1998-03-30 |
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
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