Product Overview
The Adjustable Sofa Ratchet Hinge (RH Series Angle Adjuster / Furniture Joint Hinge) is an essential functional hardware component designed for customizable inclination in modern furniture. Manufactured by YiHao Hardware, these ratchet mechanisms allow users to effortlessly tilt and lock sofa headrests, armrests, tatami chairs, and adjustable bed frames into multiple comfortable ergonomic positions.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Series | RH Series Adjustable Ratchet Hinge & Angle Adjuster |
| Body Material | High-Grade Cold-Rolled Carbon Steel |
| Surface Finish | Bright Electro-Zinc Plated / White Zinc / Colored Zinc |
| Mechanism Type | Multi-Gear Ratchet Pawl with Automatic Return Spring |
| Standard Compliance | ISO / ANSI Furniture Hardware Standards Compliant |
| Application Scope | Sofa Headrests, Foldable Beds, Tatami Chairs, Beach Loungers & Medical Chairs |
Key Performance Features
- Smooth Multi-Angle Indexing: Internal ratchet teeth provide positive engagement across various angle steps, holding heavy headrest or backrest loads securely.
- Self-Resetting Functionality: Pushing the frame fully forward disengages the ratchet mechanism, allowing a smooth return to the starting zero-degree angle.
- Durable Riveted Construction: Heavy-duty steel pivot rivets prevent joint wobble and ensure smooth movement over thousands of cycle tests.
Quality Assurance
Every batch of adjustable ratchet hinges manufactured by YiHao Hardware undergoes strict quality control, including dynamic cycle endurance testing, load fatigue inspection, and zinc plating thickness checks.
