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Patent Searching and Data


Title:
EXTENSION LADDER WITH BUFFER FUNCTION
Document Type and Number:
WIPO Patent Application WO/2017/197654
Kind Code:
A1
Abstract:
Disclosed is an extension ladder with a buffer function, comprising a plurality of step units (1) and a buffer device (2). The buffer device (2) is arranged between two adjacent step units (1). When the step units (1) descend and are drawn close to each other, the buffer device (2) contracts slowly in the length direction under the force applied between the adjacent step units (1), so as to allow the step units (1) to be slowly drawn together to avoid the occurrence of safety incidents and also to avoid the abrasion of the step units (1) due to rapidly drawing same close to each other.

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Inventors:
YIN, Yelin (Easytec Corporation, No.5 Industrial Park Xiegang Tow, Dongguan Guangdong 0, 523000, CN)
Application Number:
CN2016/082924
Publication Date:
November 23, 2017
Filing Date:
May 20, 2016
Export Citation:
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Assignee:
EASYTEC CORPORATION (No.5 Industrial Park, Xiegang TownDongguan City, Guangdong 0, 523000, CN)
International Classes:
E06C7/08; E06C1/12; E06C7/06
Attorney, Agent or Firm:
DONG GUAN HUA NAN PATENT & TRADEMARK OFFICE CO., LTD. (Room 1401A, Floor 14thHuakai Building, Shenghe Road, Nanchen, Dongguan Guangdong 1, 523071, CN)
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