We will provide you with a case study collection: How to use the new self-locking mechanism, Shoji Lock?
This is a reduction device with a new self-locking mechanism (Shoji Lock) that replaces worm gear reducers. The lineup includes reduction gears, rack jacks, and winches.
Compared to conventional worm gear reducers, our compact design and high efficiency have received positive feedback. However, we also hear many voices expressing resistance or anxiety towards new products, as well as those who prefer to stick with traditional options. We encourage both those who are hesitant and those who love new things to take a look at our case studies and consider them. Conversely, we welcome valuable suggestions on potential applications as well!
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<Case Introductions> - Antenna support frame lifting device - Device for lifting from solar cell crucibles - Dredging vessel control panel opening and closing device - Equipment for food manufacturer production line - Equipment for aluminum plate manufacturing line - Show window lighting lifting device - Temple gate opening and closing device and so on.
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New product information: A new modular type of self-locking rack jack has been introduced, featuring a rack movement of 17 mm with one rotation of the input shaft.
This is the second product that combines a modular jack with a gearbox featuring a new self-locking mechanism that does not use the conventional self-locking worm gear at all. The input shaft torque is light at 1.01 kgm at 100K, and a fast advancement of 17 mm per rotation has been achieved. We propose this to customers who want to lift quickly with minimal force and aim for space-saving in various factory production lines. Additionally, it is possible to attach guide rods (twin shaft type).
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New Product Information: Manual Small Winch - New Pulley Drum Type Now Available in the Self-Locking Winch Series
The new compact and lightweight winch "S-Winch" series, which incorporates the already well-received new self-locking mechanism (Shoji-Lock), now features an internal pulley model that has been highly requested. Originally designed to be compact, lightweight, and with a sleek appearance, the addition of the internal pulley further enhances space-saving capabilities. It supports a maximum load torque of 5 kgm, achieving a light handle operation force (approximately 6 kg with a handle diameter of 120 mm). It can rotate in both forward and reverse directions and locks in place when stopped. It can be widely used in locations without power, as well as for disaster preparedness and energy-saving measures. Additionally, since it is not a ratchet, it operates very quietly, making it suitable for nighttime work and environments such as hospitals and stage equipment. As an application, a chain sprocket drum type is also possible.
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We have changed our organization to a corporation.
As of May 22, 2012, our company has changed its organization from a "limited liability company" to a "joint-stock company." We will strive to achieve further growth and expansion of our business with this opportunity. We sincerely ask for your continued support and patronage.
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The load-holding function equipped reduction mechanism (shoji-lock) has been developed for application products such as winches and rack jacks since the early 2000s. Steady sales activities have borne fruit, and it has begun to be adopted for various applications. Unlike conventional worm reduction gears with self-locking functions where the input and output shafts are orthogonal, our design features them in a straight line (inline), allowing for a compact design and space-saving, which has received high praise and resulted in a diverse range of practical examples. (Patents have been obtained in Japan, the United States, the EU (Germany, France, the UK), China, South Korea, and Taiwan.) Furthermore, starting in April 2023, we launched a new overseas parts procurement business, beginning with Vietnam. Currently, a majority of our parts are procured overseas, and leveraging our achievements and network, we aim to assist companies struggling with cost reduction in parts procurement.


















































