news list
latest news

The website has been renewed.
A completely new self-locking deceleration mechanism "shoji-lock" that allows you to hold the load at the desired position without the need for brakes. We have separated the lineup of deceleration dev…
1~30 item / All 53 items
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The new self-locking and speed reducer catalog has been completed.
A completely new self-locking deceleration mechanism "shoji-lock" that can hold the load at the desired position without the need for brakes. The product catalog featuring this mechanism from Reducer has been completed. In addition to the basic structure of "shoji-lock," we have also included an explanation of the special mechanism of the manual-only SRM005-11 for the first time, along with an introduction to the latest lineup. Please take a look.
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The new self-locking winch catalog has been completed.
A completely new self-locking deceleration mechanism "shoji-lock" that can hold the load at the desired position without the need for brakes. The catalog of winch products equipped with this mechanism has been completed. In addition to the basic structure of "shoji-lock," we have also included an explanation of the special mechanism of the manual-only SWM series for the first time, along with an introduction to the latest lineup. Please take a look.
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The new self-locking rack jack catalog has been completed.
A completely new self-locking deceleration mechanism "shoji-lock" that can hold the load at the desired position without the need for brakes. The product catalog for rack jacks equipped with this mechanism has been completed. In addition to the basic structure of "shoji-lock," we have also included an explanation of the special mechanism of the manual-only SLM series for the first time, along with an introduction to the latest lineup. Please take a look.
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Opening today! We will be exhibiting at the Technical Show Yokohama 2020 (Venue: Pacifico Yokohama).
We will be exhibiting at the "Technical Show Yokohama 2020," which will be held from today, February 5, until February 7 (Friday) at the Pacifico Yokohama Exhibition Hall. We will showcase actual machines such as "winches" and "reduction gears" equipped with our uniquely developed self-locking reduction mechanism "shoji-lock," and we will introduce their features. Please feel free to stop by. (Booth number H-28, within the Shonan Wide Area Urban Administration Council booth)
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Opening today! We will be exhibiting at Technical Show Yokohama 2019 (Venue: Pacifico Yokohama).
We will be exhibiting at "Technical Show Yokohama 2019," held from February 6 to 8 at Pacifico Yokohama Exhibition Hall A, B, and C. We will showcase actual machines such as "winches" and "rack jacks" equipped with our uniquely developed self-locking reduction mechanism "shoji-lock," and introduce their features. If you are planning to attend a certain exhibition at Tokyo Big Sight, please extend your visit to Yokohama and stop by. (Booth number L-17, within the Shonan Wide Area Urban Administration Council booth)
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[First exhibition in the Hokuriku region] Opening today! We will be showcasing our products at the Machinery Industry Fair MEX Kanazawa (Venue: Ishikawa Prefectural Industrial Exhibition Hall).
We will be exhibiting our products at the "56th Mechanical Industry Fair MEX Kanazawa," held from May 17 to 19 at the Ishikawa Industrial Exhibition Hall. We will showcase actual machines such as "winches" and "rack jacks" equipped with our uniquely developed self-locking reduction mechanism "shoji-lock," and introduce their features. Please feel free to stop by. (In Hall 2, at the booth of Act Co., Ltd., booth number 46)
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Opening today! We will be exhibiting our products at the 2017 Industrial Exchange Exhibition (Venue: Tokyo Big Sight).
Our products will be exhibited at the "Industrial Exchange Exhibition 2017" held at Tokyo Big Sight from today, November 15, to the 17th (Friday). We will be showcasing our uniquely developed self-locking reduction mechanism "shoji-lock" in products such as "winches" and "rack jacks." Please feel free to stop by. (In West Hall 4, Booth No. Machine-18-1, at the Core-Tech booth)
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[First exhibition in the Tokai region] Opening today! We will be exhibiting at Mechatrotech Japan 2017 (Venue: Port Messe Nagoya).
We will be exhibiting at "Mechatrotech Japan 2017," which will be held from today, October 18, to the 21st (Saturday) at the Boat Messe Nagoya. We will showcase actual machines such as "winches" and "rack jacks" equipped with our uniquely developed self-locking reduction mechanism "shoji-lock," and introduce their features. Please stop by and visit us. (In the Small and Medium Enterprise Support Booth, Southwest Hall 1, Booth Number 1S06)
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Opening today! We will be exhibiting at the Technical Show Yokohama 2017 (Venue: Pacifico Yokohama).
We will be exhibiting at "Technical Show Yokohama 2017," which will be held from today, February 1st, until the 3rd (Friday) at Pacifico Yokohama Exhibition Hall C and D. We will showcase actual machines such as "winches" and "rack jacks" equipped with our uniquely developed self-locking reduction mechanism "shoji-lock," and we will introduce their features. Please feel free to stop by. (Hall C and D, Booth Number g-24, within the Shonan Wide Area Urban Administration Council booth)
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Opening today! We will be exhibiting our products at the 2016 Industrial Exchange Exhibition (Venue: Tokyo Big Sight).
Our products will be exhibited at the "Industrial Exchange Exhibition 2016" held at Tokyo Big Sight from today, October 31, until Wednesday, November 2. We will be showcasing products such as "winches" and "rack jacks" equipped with our uniquely developed self-locking reduction mechanism, "shoji-lock." We invite you to stop by. (In Hall 5, Booth No. 114-4, at the Act Co., Ltd. booth.)
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We have renewed various product catalogs.
We have renewed three types of catalogs: the "S-Reducer" catalog, a completely new inline reducer that uses spur gears instead of worm gears and self-locks at any stop position during forward and reverse rotation; the "S-Winch" catalog, a compact winch that can hold a load when the movement is stopped after winding; and the "S-Rack Jack" catalog, which also uses a round rack for lifting and can self-lock at the stopped position. Additionally, we have newly added the "S-Winch New Products Catalog" and the "S-Rack Jack New Products Catalog," which feature only new products. Please download them and consider our offerings!
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Opening today! We will be exhibiting our products at the JAPAN BOATSHOW 2016 (Venue: Pacifico Yokohama).
Our products will be exhibited at the "JAPAN INTERNATIONAL BOATSHOW 2016" held at Pacifico Yokohama from today, March 3rd, until the 6th (Sunday). We will introduce marine-related products that have been in high demand in recent years, including our unique self-locking feature "shoji-lock" equipped on items such as "winches" and "rack jacks." The event will also be held on the weekend, so please feel free to stop by. (Booth number B-3, within the Coretech Co., Ltd. booth)
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Opening today! We will be exhibiting at the Technical Show Yokohama 2016 (Venue: Pacifico Yokohama).
Our products will be exhibited at "Technical Show Yokohama 2016," held at Pacifico Yokohama from today, February 3rd, until the 5th (Friday). We will introduce our unique self-locking mechanism featured in products such as "winches" and "rack jacks." We will be exhibiting alongside other award-winning companies at the booth for "Excellent Small Enterprises in Kanagawa Prefecture," which we recently received. Please stop by to check out our unique self-locking products. (Venue: Pacifico Yokohama, Booth Number L-10)
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We have published the 2015 edition of the winch new product catalog.
The "S-Winch," equipped with a completely new reduction mechanism called "shoji-lock," which self-locks in both forward and reverse rotation anywhere using spur gears instead of worm gears, ratchets, or electromagnetic brakes, has been adopted in various devices and equipment due to its high convenience. This time, we have compiled only the products developed in 2015, which are not included in the comprehensive catalog or on the website, into a single leaflet. Please take a look and consider it!
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Opening today! We will be exhibiting our products, including stainless steel winches, at the JAPAN BOATSHOW 2015 (Venue: Pacifico Yokohama).
Our products will be exhibited at the "JAPAN INTERNATIONAL BOATSHOW 2015" held at Pacifico Yokohama from today, March 5th, until the 8th (Sunday). We will introduce our unique self-locking feature "shoji-lock" on marine-related products that have seen increased interest in recent years, such as "stainless steel winches" and "rack jacks." The event will also be held on the weekend, so please feel free to stop by. (First venue: Pacifico Yokohama, Booth No. B-19, within the Core Tech Co., Ltd. booth)
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We have renewed various product catalogs.
We have renewed three catalogs: the "S-Reducer," a completely new inline reduction gear that uses spur gears instead of worm gears and self-locks at any stop during forward and reverse rotation; the "S-Winch," a compact winch that can hold a load when the movement is stopped; and the "S-Linear Actuator," which also raises and lowers using a rack and pinion and can self-lock. New case studies are also included. Please download and consider them!
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We have renewed various product catalogs.
We have renewed three catalogs: the "S-Reducer," a completely new inline reducer that uses spur gears instead of worm gears and self-locks at any stop during forward and reverse rotation; the "S-Winch," a compact winch that can hold a load when the movement is stopped after winding; and the "S-Linear Actuator," which also raises and lowers using a rack jack and can self-lock. New case studies are also included. Please download and consider them!
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The homepage has been updated. We have summarized the basic structure diagram and overview of "shoji-lock" in an easy-to-understand manner.
A completely new self-locking mechanism with a deceleration function, "Shoji-Lock." Unlike traditional worm gear reducers, it eliminates 'slippage,' offers higher efficiency compared to worms, and allows for a lightweight and compact design, making it suitable for various applications. We have received numerous inquiries from those considering its adoption, asking questions like "Why does it self-lock?" and "What is the mechanism?" Therefore, we have summarized the basic structural diagrams and an overview in an easy-to-understand manner and published them on our website. Additionally, we have newly included examples of special products for various applications (reduction gears, winches, rack jacks). We encourage you to take this opportunity to check them out and consider them. Thank you very much.
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We have renewed various product catalogs.
We have renewed three catalogs: the "S-Reducer," a completely new inline reduction gear that uses spur gears instead of worm gears and self-locks regardless of where it stops in forward or reverse rotation; the "S-Winch," a compact winch that can hold a load when the movement is stopped after winding; and the "S-Linear Actuator," which also lifts and lowers using a rack and can self-lock. We have also included a brief description of the structure of this self-locking mechanism. Please download them and consider!
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We have renewed various product catalogs.
We have renewed three catalogs: the "S-Reducer," a completely new inline reducer that self-locks regardless of where it stops in forward or reverse rotation, the "S-Winch," a compact winch that can hold a load when wound up and the motion is stopped, and the "S-Linear Actuator," which also raises and lowers using a rack jack and can self-lock. Each product has an expanded lineup and many upgraded features, so we have newly published them. Please download and consider them!
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We have renewed various product catalogs.
We have renewed three catalogs: the "S-Reducer," a completely new inline reducer that self-locks regardless of where it stops in forward or reverse rotation, the "S-Winch," a compact winch that can hold a load when wound up and motion is stopped, and the "S-Linear Actuator," which also raises and lowers using a rack jack and can self-lock. Each product has an expanded lineup and many upgraded features, so we have included them in the new listings. Please download them and consider our offerings!
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We have renewed various product catalogs.
We have renewed three catalogs: the "S-Reducer," a completely new inline reducer that self-locks regardless of where it stops in forward or reverse rotation, the "S-Winch," a compact winch that can hold a load when the movement is stopped after winding up, and the "S-Linear Actuator," which also lifts and lowers using a rack jack and can self-lock. Each product has an expanded lineup and many upgraded features, so we have newly included them. Please download and consider them!
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We have renewed various product catalogs.
We have renewed three catalogs: the "S-Reducer," a completely new inline reducer that self-locks regardless of where it stops in forward or reverse rotation, the "S-Winch," a compact winch that can hold a load when wound up and motion is stopped, and the "S-Linear Actuator," which also raises and lowers using a rack jack and can self-lock. Each product has an expanded lineup and many upgraded features, so we have newly included them. Please download and consider them!
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New Product Information: The upgraded version of the self-locking reduction gear "S-Reducer" is here again!
Introducing the "S-Reducer," an inline reduction gear equipped with a completely new self-locking mechanism using spur gears instead of the existing self-locking function found in worm gears. It offers higher efficiency compared to worm gears and allows for a compact design, which has received positive feedback. The allowable rated holding torque of the "S-Reducer" has been upgraded in each version! A new compact product supporting 5 kgm has been enhanced to support 6 kgm (for manual and electric use)! Our lineup has been enriched with upgraded products, including those from 10 to 12 kgm, 20 to 25 kgm, 40 to 50 kgm, and 80 to 100 kgm! This expansion will further broaden its applications. We encourage you to consider this revolutionary feature that allows rotation to stop without brakes, even though it is a reduction gear, for factory manufacturing lines and various devices. For more details, please refer to the "S-Reducer" product catalog.
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New Product Information: Upgraded versions of the self-locking reduction gear "S-Reducer" are being released one after another!
Introducing the "S-Reducer," an inline reduction gear equipped with a completely new self-locking mechanism using spur gears instead of the existing self-locking function found in worm gears. It offers higher efficiency compared to worm gears and allows for a compact design, which has received positive feedback. This time, the conventional allowable rated holding torque has been upgraded! The product that supports 10 kgm has been enhanced to support 12 kgm (for manual use) while maintaining almost the same size! Furthermore, the 20 kgm support has been upgraded to 25 kgm, the 40 kgm support to 50 kgm, and the 80 kgm support to 100 kgm! This significantly expands its range of applications. We encourage you to consider this revolutionary feature that allows rotation to stop without brakes, even though it is a reduction gear, for factory production lines and various devices. For more details, please refer to the "S-Reducer" product catalog.
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The second volume of the case studies for the new self-locking deceleration mechanism "shoji-lock" has been completed.
- Small winches have been adopted in shops and museums in Ginza. = They have received positive feedback for their design, being compact and unobtrusive in black. = They are also praised for being easy to operate by ourselves, among other things. Instead of a worm gear, we have developed a completely new inline reducer that self-locks when motion stops, as well as a small winch that maintains position when the handle is stopped in both forward and reverse rotation instead of using a ratchet. Due to the positive reception and increased achievements in various fields, we have created a second edition this time. Please download it and consider it!
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New Product Information: Upgraded versions of the self-locking reduction gear "S-Reducer" are being released one after another!
Introducing the "S-Reducer," a gearbox equipped with a completely new self-locking mechanism using spur gears instead of the existing self-locking function found in worm gears. It offers higher efficiency compared to worm gears and allows for a compact design, which has received positive feedback. This time, our conventional product with a rated holding torque of 40 kgm has been upgraded to support 50 kgm while maintaining nearly the same size! Additionally, the 10 kgm support has been increased to 12 kgm! This expansion opens up even more applications. We encourage you to consider this groundbreaking feature that allows rotation to stop without brakes for factory manufacturing lines and various devices. Please note that the new type is designed for low-speed rotation (manual use). For more details, please refer to the "S-Reducer" product catalog.
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We will provide an explanatory booklet: Why does it stop? The secret of the new self-locking deceleration mechanism 'shoji-lock'
A completely new inline reducer that self-locks despite being a spur gear instead of a worm gear. Why does it self-lock? What is the internal structure like? We often get asked these questions. While showing a demo unit or a cut model can help people understand, such opportunities are rare. Therefore, we created a simple explanatory document. Please take a look at this, and if you're interested, feel free to check out our specific products and contact us.
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The Ipros version of the S-Reducer product catalog has been updated.
This is a completely new inline reducer that self-locks regardless of where it stops in forward or reverse rotation, not a warm reducer. It has received positive feedback from various sectors, and due to the increase in our lineup, we have renewed it this time. Please download it and consider it! Additionally, our comprehensive catalog, which includes applied products, is available for download from our company website. Please check it out as well.
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The Ipros version of the S-Winch/S-Linear Actuator product catalog has been updated.
This is a completely new compact winch and rack jack that self-locks regardless of where it stops in forward or reverse rotation, not using a ratchet. It has received positive feedback from various sectors, and due to the increased lineup, we have renewed it this time. Please download it and consider it! Additionally, the comprehensive catalog featuring applied products such as those with motors is available for download from our company website. Please check it out as well.