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This section provides an overview for hinge springs as well as their applications and principles. Also, please take a look at the list of 11 hinge spring manufacturers and their company rankings. Here are the top-ranked hinge spring companies as of February, 2025: 1.IQS Directory, 2.GM Classics, 3.Saffire Grill Co..
Table of Contents
A Spring Hinge is a combination of a hinge spring and a coil spring.
Spring hinges are mainly used as a rotating mechanisms for doors and other devices that are to be closed automatically. If an external force is applied to change the angle, it has a function to return to the initial angle by the restoring force of the spring when the external force is released.
By utilizing the return function of hinge springs, doors can be opened and closed only by opening and closing. By using a spring hinge as an appropriate rotating mechanism, many advantages can be obtained, such as increased work efficiency, improved usability, and the prevention of forgetting to close the door.
Spring hinges are used in many products around us, such as the lids of mailboxes and the tops of trash cans. They are often used in parts that can be moved with relatively small force, and are one of the inexpensive components that play a major role.
In addition, they are sometimes used for industrial machine parts. They can be easily clamped by the force of coil springs when temporarily fixing processed materials, contributing to improved workability.
Spring hinges are installed in the same way as normal hinges, by fixing one plate to the fixed side member and the other plate to the rotating member.
When the side member is fixed and external force is applied to the rotating side member, the rotating side member rotates with the axis connecting the two plates as its rotation center, and the coil spring deforms at the same time. When the external force is released, the restoring force of the spring hinge causes it to return to its original angle, and the rotating member returns to its original position.
Spring hinges have a simple structure in which a coil spring is passed through the shaft portion called the pin of an ordinary hinge, and both ends of the spring are fixed to the plates on both sides of the hinge.
When the spring hinge is deformed, elastic energy is accumulated by twisting the coil spring, and when the external force is released, it acts as an elastic force and returns to its initial position.
Repeated opening and closing of the hinges causes wear on the shaft of the hinge and the tube that receives the shaft, resulting in unstable operation when opening and closing the hinges. Proper lubrication is necessary to prevent wear.
In addition, not only the shaft part but also the spring can be damaged by corrosion, and the spring can become weak due to repeated operation. Therefore, the moving part often reaches the end of its life before the mounting part.
Generally, a hole is drilled in the hinge side for mounting, and it is fixed with screws or rivets to the fixed side member. If the fixing member is metal, it may be fixed by welding with a hinge that does not have a hole in it.
While screws and rivets often lose their fixing strength after repeated use, welding can maintain its fixing strength over a long period of time. Although there are many doors around us that close automatically, the restoring force of a coil spring installed in a spring hinge with a shaft length of only a few millimeters is limited, so it cannot be used for doors that require a large force to return to the initial position.
However, it may be used for relatively lightweight doors. Door closers that combine a spring and damper are often used for doors that are relatively heavy, such as doorways. In such cases, an additional place for mounting the device must be provided.
By changing the initial angle and wire diameter of the coil spring, the initial angle and the strength of the restoring force of the spring hinge can be adjusted. However, if the restoring force of the spring is set to a large value, the force required to deform the spring will also increase, so the size of the force to open the door must be considered.
In addition, if the restoring force of the spring is set too large, there is a high risk of injury due to fingers being caught when the door closes. Safety considerations should also be taken into account, and if necessary, protection with rubber material or installation of a damper is necessary.
When spring hinges are installed, the elastic energy stored in the spring is released unilaterally, but there are hinges that have a damper built into the hinge.
There are also spring hinges that apply the energy of the spring to enable heavy doors to be opened with little force, and spring hinges that allow the strength of the spring to be adjusted in steps. Even simple spring hinges can adjust the closing strength of a door by adjusting the number of pieces attached to the door.
*Including some distributors, etc.
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Kamado King Inc. is a manufacturer of ceramic barbeque (BBQ) smokers and kamado parts that is headquartered in San Diego, California, and was established in 1974. The company offers a product portfolio that includes Kamado parts, accessories, Kamado smokers, and T-shirts. The company's range for Kamado and its parts range from fire boxes, iron gates, daisy wheels, pizza stones, and Kamados. On the other hand, its accessories include bottom grills, charcoal pokers, and smoker covers.
Design Hardware is an American ISO 9001 certified manufacturer specializing in door hardware and accessories founded in 1988 and based in Louisville, Kentucky. The company produces various door types, access control systems, and related hardware. Its products include tubular deadbolts, surface vertical rod exit devices, and continuous geared hinges. It also offers thresholds, electromagnetic door holders, and weatherstripping products. The company provides custom fabrication and product modification services for clients with unique project specifications. Its products are mainly used in industrial, military, and educational facilities.
Saffire Grill Co. was established in 2008 and is based in Rockford, Illinois, United States as a manufacturer and supplier of ceramic grill products. The company’s product portfolio includes ceramic grills, grill carts, grill accessories, and grill recipes, among others. The ceramic grill products offered by the company are crucial components in outdoor cooking, enabling delicious and adaptable grilling. The products are used in various settings such as backyards, patios, campsites, and tailgates.
House of Antique Hardware Inc., founded in 1999 and based in Portland, Oregon, is a manufacturer and supplier of vintage reproduction hardware spanning styles from colonial to mid-century modern. Its products include home accessories, door, window, furniture, and electrical hardware. The company can also help in custom manufacturing of replica hardware such as door knobs, escutcheons, and mortise locks. It helps customers source antique or vintage-style products from dealers and retailers and provides hardware restoration services like replacing broken parts, cleaning, plating, and making new lock springs.
GM Classics is based in Taylorsville, Kentucky, and is an American distributor of automotive parts for classic cars that was originally established as Chevy 2 Only before rebranding in 2021. The company's product inventory primarily includes engine, transmission, and suspension repair parts for Chevrolet Nova models from the 1960s to 1980. It also offers various emblem decal templates, interior components, and body restoration products. The company provides consultation and technical support for customers needing additional assistance.
Fusehatu Kogyo Co., Ltd., founded in 1946 with headquarters in Higashiosaka City, Japan, is a manufacturer of springs and assemblies. The company's product line includes treated and straight-cut spring materials, custom-made springs, spring assemblies, and spring units (springs, plastics, and bolts). These products are primarily made to order, and custom products can be continually produced for clients with ongoing high-volume orders. The company serves many industries, including electronics manufacturing, appliance manufacturing, and vehicle suspension makers.
Cape Cod Brass, Inc. (Cape Cod Brass & Security Hardware, Inc.), founded in 2000 and based in South Yarmouth, Massachusetts, is an American manufacturer specializing in architectural hardware. The company's offerings include commercial and residential hinges equipped with interlocking security studs, fast riveted pins, and non-removable pin set screws, as well as roton and stainless steel continuous hinges. The company also offers door control solutions like electromagnetic door holders, heavy-duty door closers, and overhead door stops, along with sliding door hardware. Additionally, the company provides locking and exit devices, as well as electrified hardware such as card readers, credentials, and keypads.
ASSA ABLOY Accessories and Door Controls Group, Inc. was founded in 1994 and is based in Monroe, North Carolina, US is a manufacturer and supplier of door-opening products. Its product portfolio includes door accessories, hinges, floor molding, signage, and pivots. The products have multiple uses in healthcare settings, commercial and residential buildings. The company's door accessories and solutions are used to secure buildings from severe weather. It also offers sustainable solutions for efficient energy use and environmental conservation.
Sugatsune America, Inc. is an American AS9120B and ISO 9001 certified distributor of architectural and industrial hardware products that was established by the Japanese company Sugatsune in 1982. Headquartered in Carson, California, the company stocks various hardware products including locks, hinges, latches, and knobs. These are used by homeowners, commercial building contractors, and industrial manufacturing facilities, as well as by clients in the marine and offshore sectors. Sugatsune America also offers engineering, customization, and support services such as consultation, troubleshooting, and technical support.
Ranking as of February 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | IQS Directory |
18.8%
|
| 2 | GM Classics |
12.5%
|
| 3 | Saffire Grill Co. |
12.5%
|
| 4 | Sugatsune America, Inc. |
12.5%
|
| 5 | FUSEHATU KOGYO CO.,Ltd |
12.5%
|
| 6 | Cape Cod Brass, Inc. |
6.3%
|
| 7 | ASSA ABLOY Accessories and Door Controls Group, |
6.3%
|
| 8 | Welcome to Kamado King Inc. |
6.3%
|
| 9 | Design Hardware |
6.3%
|
| 10 | House of Antique Hardware, Inc. |
6.3%
|
Derivation Method
The ranking is calculated based on the click share within the hinge spring page as of February 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
6 | 66.7% |
|
Japan
|
3 | 33.3% |
86 products found - Page 2
86 products - Page 2
Sugatsune Industries Co., Ltd.
100+ people viewing
Last viewed: 6 hours ago
Standard Response
■Features - A damper hinge with a catch mechanism that operates at two opening angles: 0° and 100°. - Easily holds doors, etc. with a clicky feel. ...
Sugatsune Industries Co., Ltd.
90+ people viewing
Last viewed: 14 hours ago
Standard Response
■Features ・With three-dimensional adjustment function of left and right, up and down, and front and back - Comes with a cover that hides the mount...
Sugatsune Industries Co., Ltd.
90+ people viewing
Last viewed: 5 hours ago
Standard Response
■Features ・Using Sugatsune's unique technology, we have reduced the number of component parts and achieved a low price. - Can be installed on alum...
Sugatsune Industries Co., Ltd.
100+ people viewing
Last viewed: 6 hours ago
Standard Response
■Features - Equipped with a click mechanism that temporarily holds the opening angle at 60° and 120°. - After installation, it can be adjusted in t...
Sugatsune Industries Co., Ltd.
100+ people viewing
Last viewed: 1 day ago
Standard Response
■Features ・Fluffy and light operation reduces the stress of opening and closing. ・The top cover can be easily operated with spring assistance. ・...
Sugatsune Industries Co., Ltd.
90+ people viewing
Last viewed: 5 hours ago
Standard Response
■Features -Can be used with the shaft oriented vertically. ・When attaching or detaching the door, the hinge can be inserted or removed by removing...
Sugatsune Industries Co., Ltd.
130+ people viewing
Last viewed: 13 hours ago
Standard Response
■Features ・A set for attaching the balance adjustable power assist hinge HG-PA300-15 to an aluminum frame. ・Heavy lids and equipment covers can b...
Sugatsune Industries Co., Ltd.
90+ people viewing
Last viewed: 5 hours ago
Standard Response
■Features -A torque hinge that generates torque in one direction. Almost no torque is generated in the opposite direction, so doors etc. can be ope...
Sugatsune Industries Co., Ltd.
110+ people viewing
Last viewed: 22 hours ago
Standard Response
■Features ・The heavy top cover can be easily lifted by the reaction force of the spring (power assist function). ・Damper works when closing (soft...
Sugatsune Industries Co., Ltd.
80+ people viewing
Last viewed: 6 hours ago
Standard Response
■Features ・Holds the door in three places: when the door is fully closed (-5°), when it is opened at 85°, and when it is opened at 175°. ・When fu...
Sugatsune Industries Co., Ltd.
80+ people viewing
Last viewed: 7 hours ago
Standard Response
■Features ・Can be temporarily held in 30° increments. -Can be used with the shaft oriented horizontally or vertically. ・Import ■Note ・Click tor...
Sugatsune Industries Co., Ltd.
130+ people viewing
Last viewed: 13 hours ago
Standard Response
■Features ・The spring allows you to easily lift the top lid. -Easily holds the top lid. ・The balance adjustment function has expanded the range o...
Essentra Components Japan Inc.
90+ people viewing
Last viewed: 1 day ago
Please contact us for details Contact information: TEL 045-321-2752 FAX 045-410-0383 mail: sales@essentracomponents.jp
TOCHIGIYA CO.,LTD.
130+ people viewing
Last viewed: 7 hours ago
■Features Arm catch for corners. The arm part also has a tightening effect due to the spring. ■Applications Measuring equipment, machine tools, et...
TOCHIGIYA CO.,LTD.
60+ people viewing
Last viewed: 13 minutes ago
■Features The door can be removed by inserting and removing the hinge. It is also easy to install. ■Applications OA equipment, communication equip...
TOCHIGIYA CO.,LTD.
130+ people viewing
Last viewed: 7 hours ago
■Features Prevents the arm of the catch clip from wobbling. ■Applications for catch clip *We accept inquiries regarding custom-made products.
TOCHIGIYA CO.,LTD.
90+ people viewing
Last viewed: 4 hours ago
■Features A stainless steel hinge with a high-performance bush that increases sliding properties and suppresses the generation of metal powder due ...
TOCHIGIYA CO.,LTD.
80+ people viewing
■Features A gas spring that can generate a nearly constant spring force over a long compression stroke. It is also a compact type with a short over...
TOCHIGIYA CO.,LTD.
90+ people viewing
Last viewed: 1 day ago
■Features This is a small type of TM-150. Please use it to open and close doors and lids of small devices. ■Applications OA equipment, medical equ...
TOCHIGIYA CO.,LTD.
110+ people viewing
Last viewed: 7 hours ago
■Features Bracket for TM-151, TM-370, TM-371. ■Applications TM-151, TM-370, TM-371 *We accept inquiries regarding custom-made products.
TOCHIGIYA CO.,LTD.
120+ people viewing
Last viewed: 7 hours ago
■Features There is a spring in the core rod. It is a hinge that has a spring force applied in the direction of opening. ■Applications OA equipment...
TOCHIGIYA CO.,LTD.
90+ people viewing
Last viewed: 13 hours ago
■Features There is a spring in the core rod. It is a hinge that has a spring force applied in the direction of opening. ■Applications OA equipment...
Three Nine Shimano Co., Ltd.
50+ people viewing
Last viewed: 20 minutes ago
Fast Response
■Product details ・Minimum sales unit: 1 piece ・No twist
DIO Co., Ltd.
90+ people viewing
Last viewed: 6 hours ago
Very Fast Response
■Features ・Simple design ・Sufficient door closing force ・Built-in stop mechanism (if equipped with a stop) ・Easy closing speed adjustment ・Dri...
