This is the SD-190 series, a type of lecture hall desk seat where the seat springs up. The design of this desk seat was developed in 1953. It has been popular among students and professors as the standard for stationary desk seats in the classrooms and lecture halls of Japanese universities. While evolving over a long period of time, even now, this product boasts an unwavering popularity.
With spring-up type seats, there is a risk of pinching your fingers when lowering or raising the seat, but there is no concern with the SD-190 series. This is because the stopper for sitting and standing in the SD-190 series is built in the standing unit. It was designed with safety and security in mind.
The seating consists of two materials; molded synthetic resin and molded plywood. It is possible to select whether or not to install a pad on the backrest and/or the seat. By using school colors for the pad, it is possible to create a space that is unique to the university.