State Intellectual Property Office of China Publishes Ge Xiaobing's Patent Application for Automatic Horizontal Door Device of Hoistway Elevator Car

Publication Date13 January 2022
Publication titleGlobal IP News (India)
The patent application number is CN202011459823 20201211. The patent publication number is CN112499446 (A). International Patent Classification codes are B66B13/08, B66B13/14, B66B13/16, B66B13/18 and B66B13/20. Cooperative Patent Classification codes are B66B13/08 (CN), B66B13/14 (CN), B66B13/165 (CN), B66B13/185 (CN) and B66B13/20 (CN)

The abstract issued by State Intellectual Property Office of China explains, "The invention discloses an automatic horizontal door device of a hoistway elevator car. The automatic horizontal door device comprises a door frame, a first horizontal door and a second horizontal door, wherein the first horizontal door and the second horizontal door are arranged on a door frame rail. The first horizontal door and the second horizontal door synchronously move oppositely or reversely through a linkage mechanism above the doors; an automatic door opening and closing...

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