Used under the judo mat! Coil springs and leaf springs that excel in cushioning and have a fast return speed are suitable.
We would like to introduce the "Underfloor Spring" solution from Higashi Hatsu Springs. It has a proven track record in facilities such as the Nippon Budokan, which was used during the Tokyo Olympics in 1964, as well as in gymnasiums across various prefectures, schools, and police stations, receiving positive feedback. At that time, tatami mats were laid on the floor, and it seems that many people were injured on the hard tatami. It is said that coil springs and leaf springs, which excel in cushioning and have a quick return speed, are suitable for this purpose. Please feel free to contact us if you have any inquiries. *For more details, please refer to the PDF materials or feel free to reach out to us.
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The powerful springs that were first standardized in Japan using non-circular cross-section materials have become the standard in Japan. Based on customer requests, we have standardized high deflection powerful springs and powerful spring α. The resin guide has been developed and standardized to maintain the original lifespan of the springs. Additionally, they are adopted in manufacturing machines and presses used worldwide, based on the international standard ISO 10243, such as ISO STANDARD. We offer sizes that match manufacturing machines used in various industries around the world, ensuring high strength and durability.