Title:
LADDER
Document Type and Number:
WIPO Patent Application WO/2020/220241
Kind Code:
A1
Abstract:
A ladder, which comprises a front ladder (001) and a rear ladder (002). The tops of the front ladder (001) and the rear ladder (002) are rotatably connected so as to allow adjustment of the angle therebetween; support rod assemblies (400) are disposed on the front ladder (001) and/or the rear ladder (002); and/or insertion members (300) allowing insertion of an accessory board assembly (700) are disposed on the top of the front ladder (001) and/or on the top of the rear ladder (002).
Inventors:
ZHOU XIAOYING (CN)
BAO MINGHUA (CN)
BAO MINGHUA (CN)
Application Number:
PCT/CN2019/085119
Publication Date:
November 05, 2020
Filing Date:
April 30, 2019
Export Citation:
Assignee:
SUZHOU ZHONGCHUANG ALUMINIUM PRODUCTS CO LTD (CN)
International Classes:
E06C1/14
Foreign References:
| CN101960084A | 2011-01-26 | |||
| CN208294408U | 2018-12-28 | |||
| CN103590743A | 2014-02-19 | |||
| CN206438979U | 2017-08-25 | |||
| US20090032334A1 | 2009-02-05 | |||
| US5590739A | 1997-01-07 | |||
| CN201747249U | 2011-02-16 | |||
| CN203308377U | 2013-11-27 | |||
| CN203308374U | 2013-11-27 |
Attorney, Agent or Firm:
METIS IP (CHENGDU) LLC (CN)
Download PDF:
Previous Patent: HYDRAULIC ELECTRICAL-ENERGY CONVERSION DEVICE
Next Patent: LAMINATED IRON CORE AND MANUFACTURING METHOD THEREFOR
Next Patent: LAMINATED IRON CORE AND MANUFACTURING METHOD THEREFOR