Folding point design of desks and chairs

    The folding structure of student desks and chairs is not only suitable for metal furniture, but also for wooden desks and chairs. The main folding forms of students' desks and chairs are folding folding components which are non-closed.

　　When in use, the folding member is placed into a triangle with no shape to control the functional Angle of the whole furniture. When the functional Angle is not used, the rotating shaft folding member is converted into a rotating shaft folding member in turn through a group of mutual constraints and a certain relative rotation Angle of the shaft plate connected with the sliding folding ft mechanism, a member moves on another member and some have relative rotation. According to the different folding components of several generations, students' desks and chairs can be divided into three-bar sliding type and four-bar sliding type.

　　Connecting rod type folding student desk and chair mechanism for multiple connecting rod through the rotation of the hinge is usually rivet, bolt connection. According to the different number of connecting rod, students' desks and chairs are divided into flash connecting rod, five connecting rod and six connecting rod.
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