Steadily supported ladder

• Main Authors: XU FENGGE, LYU FANGZHENG
• Format: Patent
• Language: Chinese; English
• Published: 25.06.2021
• Subjects: DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; FIXED CONSTRUCTIONS; LADDERS

The invention provides a steadily supported ladder, and belongs to the technical field of ladders. The problems existing in an existing ladder are solved. According to the steadily supported ladder, lock catches are fixedly installed at the two ends of each pedal of the ladder, the pedals are fixed to ladder legs through telescopic devices on the lock catches at the two ends, the telescopic devices can be further used for adjusting the telescopic state of the ladder legs, gear transmission holding devices are arranged on the lock catches, the gear transmission holding devices enable the lock catches to be stably held on the ladder legs, a single-face ladder and a supporting leg are connected through a locking device, the locking device enables the relative positions of the single-face ladder and the supporting leg to be locked, the ladder further comprises an unlocking device which is used for unlocking the single-face ladder and the supporting leg so that the single-face ladder and the supporting leg can rot