Device for adjusting backrest of commercial baby carriage in home, has positioning element provided with tooth section, and channel formed on rear section of tooth section of positioning element, where band is extendable from channel

摘要

The device has two main frames (11) arranged symmetrically to each other, and an adjustable backplate mechanism (2) provided with an adjusting band (23) that is plugged into left and right boreholes (211, 212) on a clamping plate (21) for attachment on the main frames. A band (233) withdraws from a band outlet, and a positioning element (24) is provided with a tooth section. A resettable torsion spring presses against the positioning element, and a channel is formed on a rear section of the tooth section of the positioning element, where the band is extendable from the channel.