Tha 椅子 by Jun Nakano is a highly esteemed winner of the very prestigious 2024 A' Design Award 铜奖 in 家具设计 Competition Category.

铜家具· 2024

Tha 椅子

by Jun Nakano

Client: Jun Nakano

A' Design Award 铜奖 Winner in 家具 Category

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The Design

About Tha 椅子

Tha是一款四腿扶手椅，可从前方与后方双向叠放。这在椅类设计史上是一个革命性的创意，已获得专利，且极为便利。即使前方摆放着桌子，只需从椅背轻轻抬起，便可轻松顺畅地完成叠放。为实现这一功能，设计美感与坐感舒适度均未做出任何妥协。整体以简洁的线条塑形，无需过多的手工加工。

The Recognition

About the A' Design Award 铜奖

Tha 椅子是 A' Design Award 铜奖得主，这是授予以创造力、独创性和敏锐见长的杰出设计的极具声望的认可。铜奖得主是技艺娴熟、创意惊人的作品，印证了其设计师丰富的经验、想象力与机智。预计Tha 椅子将成为一件备受推崇、令人钦佩且被珍爱的物品，兼具显著的专业性与创新性。这件赢得 A' Design Award 铜奖的设计融入艺术、科学、设计和技术领域的最佳实践，并因注重细节而出类拔萃。Tha 椅子出色地满足需求，触动渴望，迷住情感，并吸引好奇心。

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties: "THA Chair" is a four-legged armchair that can be stacked not only from the front but also from the back.
This is a revolutionary idea in the history of chairs and is very convenient. For example, if you want to stack regular chairs with a table in front, it is very difficult to pull the chairs out wide and stack them from the front. Additionally, it must be raised to seat height. Meanwhile, this chair can be stacked smoothly with only a slight lift.
Dimensions & Packaging: Width 650mm x Depth 540mm x Height 820mm
Tags: Chair, Stacking, Furniture, Patented, Innovative
Production Technology: The curved surface of the backrest is smooth and provides firm back support. The armrest is composed of straight lines and curved lines, which eliminates excessive manual work and contributes to cost reduction. The aim was to create a simple and functional design that eliminates unnecessary decorations. The structure is also very simple and does not require any moving parts to flip up the seat like traditional nesting chairs.
Design Challenge: This structure had problems with its strength, but by making the legs and armrests thinner, it was able to flexibly withstand the load. It has a structure that does not sacrifice functionality or comfort as a chair. The name THA comes from the silhouette of the chairs when lined up.
Research: Regular stackable chairs cannot be stacked from the back, regardless of whether they have armrests or not. And in the history of chair design, which is said to have a history of 4,000 years, armchairs that can be stacked from the back have not become popular at all. The improved positioning of the armrests and front legs contributes to this innovative feature.
Inspiration: Why did we never question the fact that chairs can only be stacked from the front? To eliminate this inconvenience, we improved the positioning and processing of the legs and armrests so that they could be stacked from the back.
This patented idea and structure can also be applied to steel chairs, creating a new trend in stackable chair design.
Project Duration: We applied for a patent and design in 2019, presented a prototype of this chair design in Tokyo in 2021, updated it further, and exhibited it at the IFFT Tokyo International Furniture Fair in March 2024. The prototype has been completed and sales are about to begin.
Operation Flow: You can stack the chairs in different ways depending on the situation, such as from the back if the table is in front of you, or from the front if it is leaning against a wall. When stacked from the front, they have the same functionality as regular chairs, but when stacked from the back, they don't have to be lifted as high and are even more functional. This is especially important if you are loading the cart high up.
Image Credits: All image and video rights are reserved by Jun Nakano.