PRE-EMBEDDED PIECE STAIRCASE ANGLE ASSISTANCE DEVICE

WIPO Patent Application WO/2022/061504

A1

A pre-embedded piece staircase angle assistance device, comprising a frame (1). Gravity sensors (2) are mounted on the upper side of the frame (1); tempered glass (3) is mounted on the left side of each gravity sensor (2); an alarm lamps (4) is mounted on the left side of each piece of the tempered glass (3); the upper side of each gravity sensor (2) is provided with an infrared sensor (9); the upper side of infrared sensors (9) is fixedly connected to balusters (10); the upper side of the balusters (10) is fixedly connected to a handrail (11); an air cylinder (12) is mounted on the inner side of the frame (1); a base (14) is disposed on the right side of the air cylinder (12); the upper side of the base (14) is provided with cylindrical grooves (15); springs (16) are mounted inside the cylindrical grooves (15); a rubber pad (17) is mounted on the upper side of the springs (16); a baffle plate (18) is mounted on the right side of the rubber pad (17); a rotating shaft (19) is mounted on the upper side of the baffle plate (18); and an electric control box (20) is mounted on the front side of the frame (1).

JP2514165	EXCAVATION CAPSULE
JPH072184	WALL SURFACE SLIDE ELEVATION TYPE MOORED AIRSHIP

GE WEICI (CN)

PCT/CN2020/116788

March 31, 2022

September 22, 2020

Click for automatic bibliography generation  

GE WEICI (CN)

A62B99/00; E04F11/00

JP2000248704A	2000-09-12
CN208948650U	2019-06-07
CN105986645A	2016-10-05
CN110390796A	2019-10-29
JP2009102815A	2009-05-14
CN207597753U	2018-07-10

RUNWEN PATENT LAW FIRM (CN)

View/Download PDF      PDF Help

Previous Patent: SIMPLE SUPPORT FOR TEMPORARY CRANE

Next Patent: METHOD FOR MANUFACTURING SEMICONDUCTOR STRUCTURE