UNLOCKING STRUCTURE FOR LADDER PILLAR OF PLATFORM

WIPO Patent Application WO/2019/024163

A1

Disclosed is an unlocking structure for a ladder pillar of a platform, the platform comprising a platform surface (2) and two ladder pillars (1) hinged onto two ends of the platform surface (2), wherein the unlocking structure (5) is arranged on a hinge point (9) corresponding to the platform surface on each of the ladder pillars (1), and the unlocking structure (5) comprises an operating button (22), a rotatable lock tongue (17) and a first elastic member; the rotatable lock tongue (17) is rotatably arranged in a column (61), the upper end thereof is of a lock hook (20), and the lock hook (20) locks a lock plate (21) positioned at the bottom of the platform surface (2); the first elastic member acts between the rotatable lock tongue (17) and the column (61), and drives the lock hook (20) to be positioned facing towards the lock plate (21), thus achieving the locking of the ladder pillar (1) and the platform surface (2); and the operating button (22) acts on the rotatable lock tongue (17) for overcoming the first elastic member and driving the lock hook (20) to move in a direction opposite to the lock plate (21), thus achieving the unlocking of the ladder (1) and the platform surface (2). Compared to the prior art, this unlocking structure is ingenious in design and has practical improvements, such as being easy to unlock.

XIE XIAOYAN (CN)
LU LONGYUAN (CN)

PCT/CN2017/100074

February 07, 2019

August 31, 2017

Click for automatic bibliography generation  

SUZHOU PICA ALUMINUM IND LTD (CN)

E04G1/00; B25H5/00

CN107553457A	2018-01-09
CN207245136U	2018-04-17
CN2908669Y	2007-06-06
CN2248482Y	1997-03-05
CN103990971A	2014-08-20
JP2002201794A	2002-07-19

SUZHOU CREATOR PATENT & TRADEMARK AGENCY LTD. (CN)

View/Download PDF      PDF Help

Previous Patent: INTENTION OBTAINING METHOD, ELECTRONIC DEVICE, AND COMPUTER-READABLE STORAGE MEDIUM

Next Patent: CONTROL METHOD FOR HYBRID ELECTROMAGNETIC SUSPENSION