Title:
LADDER CLIMBING AID
Document Type and Number:
WIPO Patent Application WO/2017/211005
Kind Code:
A1
Abstract:
Provided is a ladder climbing aid, comprising a motor (2), a speed reducer (1), a driving wire rope pulley (3), an idler pulley (5), a bottom plate (6), a strain column (7), a strain gauge (8) and a mounting clamping block (10), a ladder upper reverse wheel (11), and a housing. The ladder climbing aid provides a lifting force of about 75% of a user's weight and can stay in any position so that ladder climbers can save a lot of physical strength, and the ladder climbing aid provides for a certain tool-carrying capacity.
Inventors:
YANG YUE (CN)
Application Number:
PCT/CN2016/095091
Publication Date:
December 14, 2017
Filing Date:
August 14, 2016
Export Citation:
Assignee:
YANG YUE (CN)
International Classes:
E06C7/12; B66D1/46
Foreign References:
| CN201495080U | 2010-06-02 | |||
| CN105936482A | 2016-09-14 | |||
| CN103850644A | 2014-06-11 | |||
| CN204125128U | 2015-01-28 | |||
| CN202325220U | 2012-07-11 | |||
| DE202009013288U1 | 2011-02-17 | |||
| CN202467629U | 2012-10-03 | |||
| US20030031546A1 | 2003-02-13 |
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