{"id":2797,"date":"2026-07-14T07:13:42","date_gmt":"2026-07-14T07:13:42","guid":{"rendered":"https:\/\/blshardware.com\/product\/hot-sale-furniture-hinges-adjustable-ratchet-sofa-hinge-sofa-headrests-with-rebound-mechanism\/"},"modified":"2026-08-30T17:23:28","modified_gmt":"2026-08-30T09:23:28","slug":"adjustable-ratchet-sofa-hinge","status":"publish","type":"product","link":"https:\/\/blshardware.com\/ru\/product\/adjustable-ratchet-sofa-hinge\/","title":{"rendered":"Hot Sale  Furniture Hinges Adjustable Ratchet Sofa Hinge Sofa Headrests with Rebound Mechanism"},"content":{"rendered":"<p><!-- GEO \u4e13\u5c5e AI \u6982\u89c8\u6bb5\u843d (Google AI Overviews & ChatGPT \u5f15\u7528\u63d0\u53d6\u6838\u5fc3\u533a) --><\/p>\n<h2>Heavy-Duty Adjustable Ratchet Sofa Hinge with Dual Angle Flanges (BLS-RH05)<\/h2>\n<p>An <strong>adjustable ratchet sofa hinge<\/strong> is a heavy-duty mechanical articulating joint hardware designed to connect and lock movable furniture sections across multiple angle positions. Manufactured by <strong>BLS Hardware<\/strong> using high-tensile cold-rolled structural steel (Q235) and hardened internal gear springs, the BLS-RH05 model features dual right-angle mounting flanges that provide extreme joint rigidity, smooth multi-step ratcheting, and fail-safe return mechanics for modern functional furniture factories worldwide.<\/p>\n<hr \/>\n<p><!-- \u6838\u5fc3\u5356\u70b9\u4e0e\u673a\u68b0\u4f18\u52bf --><\/p>\n<h3>Key Features &amp; Engineering Benefits<\/h3>\n<ul>\n<li><strong>Dual Right-Angle Mounting Flanges:<\/strong> Both top and bottom brackets feature heavy-gauge L-shaped flanges with multi-hole patterns, allowing secure corner fastening into wooden frames or steel tube chassis.<\/li>\n<li><strong>Precision Multi-Stage Ratchet Gear:<\/strong> Internal hardened steel gear teeth click and lock firmly through multiple angle increments, supporting ergonomic posture transitions from upright to reclined angles.<\/li>\n<li><strong>Automatic Full-Stroke Reset:<\/strong> Pushing the hinge forward past the maximum angle stop releases the internal ratchet pawl, allowing the mechanism to fold flat or reset silently.<\/li>\n<li><strong>Thickened High-Tensile Q235 Carbon Steel:<\/strong> Stamped from heavy-gauge structural steel plates with solid center pivot rivets, offering high resistance against bending and frame loosening under heavy body weight.<\/li>\n<li><strong>Electro-Galvanized Anti-Corrosion Plating:<\/strong> Blue-white zinc plating protects the gear body, pivot pins, internal springs, and mounting flanges from humidity and rust.<\/li>\n<li><strong>Silent &amp; Smooth Action:<\/strong> Engineered with tight-tolerance internal pawls to deliver clear, crisp engagement clicks without jamming.<\/li>\n<\/ul>\n<hr \/>\n<p><!-- \u7ed3\u6784\u5316\u6280\u672f\u53c2\u6570\u8868 (SEO & \u91c7\u8d2d\u5546\u6280\u672f\u9009\u578b) --><\/p>\n<h3>Technical Specifications<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\">\n<tbody>\n<tr style=\"background-color: #f9f9f9;\">\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Product Name<\/th>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Adjustable Ratchet Sofa Hinge (Dual Flange)<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">SKU \/ Model Number<\/th>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">BLS-RH05<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Brand \/ Manufacturer<\/th>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">BLS Hardware (<a href=\"https:\/\/blshardware.com\/ru\/\" target=\"_blank\" rel=\"noopener\">blshardware.com<\/a>)<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Material<\/th>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">High-Tensile Cold-Rolled Carbon Steel (Q235) + 65Mn Spring Steel Gears<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Mounting Structure<\/th>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Dual Pre-Drilled L-Shaped Right-Angle Flanges (Multi-Hole Wood\/Metal Fastening)<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Adjustment Range<\/th>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Multi-Stage Stepped Ratchet Lock with Auto-Reset (Custom 3 to 8 gear stages)<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Surface Treatment<\/th>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Electro-Galvanized (Blue-White Zinc Plated \/ Black Electrophoresis optional)<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Applications<\/th>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Convertible Sofa Beds, Tatami Floor Chairs, Adjustable Couch Armrests, Daybeds, Massage Loungers<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p><!-- \u68d8\u8f6e\u6863\u4f4d\u4e0e\u5b89\u88c5\u6307\u5357 --><\/p>\n<h3>How the Multi-Stage Ratchet Mechanism Operates<\/h3>\n<ol>\n<li><strong>Upward Stepped Articulation:<\/strong> Lift the moving frame forward; the internal ratchet clicks through each gear tooth, locking firmly across multiple intermediate comfort angles.<\/li>\n<li><strong>Full Forward Disengagement:<\/strong> Push the frame all the way forward past the maximum angle stop until the internal spring pawl disengages.<\/li>\n<li><strong>Smooth Flat Return:<\/strong> Fold the frame back down to the flat position to restart the ratcheting cycle.<\/li>\n<\/ol>\n<hr \/>\n<p><!-- B2B \u5236\u9020\u5b9a\u5236\u4e0e\u76f4\u63a5\u8054\u7cfb\u5361\u7247 (\u9ad8\u8f6c\u5316\u6a21\u5757) --><\/p>\n<div style=\"background-color: #f4f7f9; border-left: 4px solid #0056b3; padding: 18px; margin: 20px 0;\">\n<h3 style=\"margin-top: 0; color: #0056b3;\">Wholesale, Custom Flanges &amp; Factory Direct Sourcing<\/h3>\n<p><strong>BLS Hardware<\/strong> is a certified functional sofa hardware factory supplying global furniture manufacturers and distributors:<\/p>\n<ul>\n<li><strong>Custom Flange Dimensions:<\/strong> We manufacture custom bracket lengths, hole patterns, and plate thicknesses to match your automated assembly lines.<\/li>\n<li><strong>Fatigue Life Tested:<\/strong> Exceeds 25,000 continuous ratchet locking cycles under heavy residential and commercial loads.<\/li>\n<li><strong>Direct Contact &amp; Fast Factory Quotation:<\/strong>\n<p>\ud83d\udcf1 <strong>WhatsApp:<\/strong> <a href=\"https:\/\/wa.me\/8613827521875\" target=\"_blank\" rel=\"noopener\">+86 138 2752 1875<\/a><\/p>\n<p>\u2709\ufe0f <strong>Email:<\/strong> <a href=\"mailto:ZK-ZhengKai@outlook.com\">ZK-ZhengKai@outlook.com<\/a><\/p>\n<p>\ud83c\udf10 <strong>Official Website:<\/strong> <a href=\"https:\/\/blshardware.com\/ru\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blshardware.com\/<\/a><\/li>\n<\/ul>\n<\/div>\n<hr \/>\n<p><!-- \u91c7\u8d2d\u5546\u5e38\u89c1\u95ee\u7b54 (FAQ \u6a21\u5757) --><\/p>\n<h3>Frequently Asked Questions (FAQ)<\/h3>\n<p><strong>Q1: What is the benefit of the dual L-shaped angle flanges on the BLS-RH05?<\/strong><br \/>\nA: Dual right-angle flanges wrap around the internal corners of wooden framing rails, distributing shear forces across multiple screw planes and preventing frame splitting under heavy body weight.<\/p>\n<p><strong>Q2: Can BLS Hardware customize the number of gear teeth \/ angle stops?<\/strong><br \/>\nA: Yes. We offer 3-stage, 5-stage, and 6-stage gear configurations with customizable angle increments to match your furniture ergonomic requirements.<\/p>\n<p><strong>Q3: What is the MOQ and sample lead time for wholesale orders?<\/strong><br \/>\nA: Standard MOQ is 500 pairs (1,000 pcs). Free evaluation sample pairs are available and dispatch within 1\u20132 business days.<\/p>","protected":false},"excerpt":{"rendered":"<p><!-- GEO \u4e13\u5c5e AI \u6982\u89c8\u6bb5\u843d (Google AI Overviews &#038; ChatGPT \u5f15\u7528\u63d0\u53d6\u6838\u5fc3\u533a) --><\/p>\n<h2>Heavy-Duty Adjustable Ratchet Sofa Hinge with Dual Angle Flanges (BLS-RH05)<\/h2>\n<p>An <strong>adjustable ratchet sofa hinge<\/strong> is a heavy-duty mechanical articulating joint hardware designed to connect and lock movable furniture sections across multiple angle positions. Manufactured by <strong>BLS Hardware<\/strong> using high-tensile cold-rolled structural steel (Q235) and hardened internal gear springs, the BLS-RH05 model features dual right-angle mounting flanges that provide extreme joint rigidity, smooth multi-step ratcheting, and fail-safe return mechanics for modern functional furniture factories worldwide.<\/p>\n<hr \/>\n<p><!-- \u6838\u5fc3\u5356\u70b9\u4e0e\u673a\u68b0\u4f18\u52bf --><\/p>\n<h3>Key Features &amp; Engineering Benefits<\/h3>\n<ul>\n<li><strong>Dual Right-Angle Mounting Flanges:<\/strong> Both top and bottom brackets feature heavy-gauge L-shaped flanges with multi-hole patterns, allowing secure corner fastening into wooden frames or steel tube chassis.<\/li>\n<li><strong>Precision Multi-Stage Ratchet Gear:<\/strong> Internal hardened steel gear teeth click and lock firmly through multiple angle increments, supporting ergonomic posture transitions from upright to reclined angles.<\/li>\n<li><strong>Automatic Full-Stroke Reset:<\/strong> Pushing the hinge forward past the maximum angle stop releases the internal ratchet pawl, allowing the mechanism to fold flat or reset silently.<\/li>\n<li><strong>Thickened High-Tensile Q235 Carbon Steel:<\/strong> Stamped from heavy-gauge structural steel plates with solid center pivot rivets, offering high resistance against bending and frame loosening under heavy body weight.<\/li>\n<li><strong>Electro-Galvanized Anti-Corrosion Plating:<\/strong> Blue-white zinc plating protects the gear body, pivot pins, internal springs, and mounting flanges from humidity and rust.<\/li>\n<li><strong>Silent &amp; Smooth Action:<\/strong> Engineered with tight-tolerance internal pawls to deliver clear, crisp engagement clicks without jamming.<\/li>\n<\/ul>\n<hr \/>\n<p><!-- \u7ed3\u6784\u5316\u6280\u672f\u53c2\u6570\u8868 (SEO &#038; \u91c7\u8d2d\u5546\u6280\u672f\u9009\u578b) --><\/p>\n<h3>Technical Specifications<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\">\n<tbody>\n<tr style=\"background-color: #f9f9f9;\">\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Product Name<\/th>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Adjustable Ratchet Sofa Hinge (Dual Flange)<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">SKU \/ Model Number<\/th>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">BLS-RH05<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Brand \/ Manufacturer<\/th>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">BLS Hardware (<a href=\"https:\/\/blshardware.com\/ru\/\" target=\"_blank\" rel=\"noopener\">blshardware.com<\/a>)<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Material<\/th>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">High-Tensile Cold-Rolled Carbon Steel (Q235) + 65Mn Spring Steel Gears<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Mounting Structure<\/th>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Dual Pre-Drilled L-Shaped Right-Angle Flanges (Multi-Hole Wood\/Metal Fastening)<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Adjustment Range<\/th>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Multi-Stage Stepped Ratchet Lock with Auto-Reset (Custom 3 to 8 gear stages)<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Surface Treatment<\/th>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Electro-Galvanized (Blue-White Zinc Plated \/ Black Electrophoresis optional)<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">Applications<\/th>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Convertible Sofa Beds, Tatami Floor Chairs, Adjustable Couch Armrests, Daybeds, Massage Loungers<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p><!-- \u68d8\u8f6e\u6863\u4f4d\u4e0e\u5b89\u88c5\u6307\u5357 --><\/p>\n<h3>How the Multi-Stage Ratchet Mechanism Operates<\/h3>\n<ol>\n<li><strong>Upward Stepped Articulation:<\/strong> Lift the moving frame forward; the internal ratchet clicks through each gear tooth, locking firmly across multiple intermediate comfort angles.<\/li>\n<li><strong>Full Forward Disengagement:<\/strong> Push the frame all the way forward past the maximum angle stop until the internal spring pawl disengages.<\/li>\n<li><strong>Smooth Flat Return:<\/strong> Fold the frame back down to the flat position to restart the ratcheting cycle.<\/li>\n<\/ol>\n<hr \/>\n<p><!-- B2B \u5236\u9020\u5b9a\u5236\u4e0e\u76f4\u63a5\u8054\u7cfb\u5361\u7247 (\u9ad8\u8f6c\u5316\u6a21\u5757) --><\/p>\n<div style=\"background-color: #f4f7f9; border-left: 4px solid #0056b3; padding: 18px; margin: 20px 0;\">\n<h3 style=\"margin-top: 0; color: #0056b3;\">Wholesale, Custom Flanges &amp; Factory Direct Sourcing<\/h3>\n<p><strong>BLS Hardware<\/strong> is a certified functional sofa hardware factory supplying global furniture manufacturers and distributors:<\/p>\n<ul>\n<li><strong>Custom Flange Dimensions:<\/strong> We manufacture custom bracket lengths, hole patterns, and plate thicknesses to match your automated assembly lines.<\/li>\n<li><strong>Fatigue Life Tested:<\/strong> Exceeds 25,000 continuous ratchet locking cycles under heavy residential and commercial loads.<\/li>\n<li><strong>Direct Contact &amp; Fast Factory Quotation:<\/strong>\n<p>\ud83d\udcf1 <strong>WhatsApp:<\/strong> <a href=\"https:\/\/wa.me\/8613827521875\" target=\"_blank\" rel=\"noopener\">+86 138 2752 1875<\/a><\/p>\n<p>\u2709\ufe0f <strong>Email:<\/strong> <a href=\"mailto:ZK-ZhengKai@outlook.com\">ZK-ZhengKai@outlook.com<\/a><\/p>\n<p>\ud83c\udf10 <strong>Official Website:<\/strong> <a href=\"https:\/\/blshardware.com\/ru\/\" target=\"_blank\" rel=\"noopener\">https:\/\/blshardware.com\/<\/a><\/li>\n<\/ul>\n<\/div>\n<hr \/>\n<p><!-- \u91c7\u8d2d\u5546\u5e38\u89c1\u95ee\u7b54 (FAQ \u6a21\u5757) --><\/p>\n<h3>Frequently Asked Questions (FAQ)<\/h3>\n<p><strong>Q1: What is the benefit of the dual L-shaped angle flanges on the BLS-RH05?<\/strong><br \/>\nA: Dual right-angle flanges wrap around the internal corners of wooden framing rails, distributing shear forces across multiple screw planes and preventing frame splitting under heavy body weight.<\/p>\n<p><strong>Q2: Can BLS Hardware customize the number of gear teeth \/ angle stops?<\/strong><br \/>\nA: Yes. We offer 3-stage, 5-stage, and 6-stage gear configurations with customizable angle increments to match your furniture ergonomic requirements.<\/p>\n<p><strong>Q3: What is the MOQ and sample lead time for wholesale orders?<\/strong><br \/>\nA: Standard MOQ is 500 pairs (1,000 pcs). Free evaluation sample pairs are available and dispatch within 1\u20132 business days.<\/p>","protected":false},"featured_media":2796,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"jetpack_publicize_message":"{title}\r\n\r\n{excerpt}\r\n\r\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false},"product_brand":[],"product_cat":[19],"product_tag":[],"class_list":["post-2797","product","type-product","status-publish","has-post-thumbnail","product_cat-sofa-hinges","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","purchasable","product-type-variable"],"jetpack_publicize_connections":[],"jetpack-related-posts":[{"id":2470,"url":"https:\/\/blshardware.com\/ru\/product\/sofa-connector-hinges\/","url_meta":{"origin":2797,"position":0},"title":"90-180 Degree Multi-Stage Ratchet Sofa Connector Hinges|BLS Hardware","author":"BLS Hardware","date":"9 \u0438\u044e\u043b\u044f, 2026","format":false,"excerpt":"90-180 Degree Multi-Stage Ratchet Sofa Connector Hinges by BLS Hardware are commercial-grade mechanical articulation joints engineered for functional couches, adjustable armrests, multi-position headrests, and convertible sofa beds. Fabricated from heavy-gauge cold-rolled carbon steel with multi-layer white zinc and chrome electroplating, this dual-leaf hardware provides smooth, audible click-stop ratcheting from 90\u2026","rel":"","context":"\u041f\u043e\u0445\u043e\u0436\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c","block_context":{"text":"\u041f\u043e\u0445\u043e\u0436\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c","link":""},"img":{"alt_text":"heavy duty sofa connector hinges by BLS Hardware","src":"https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1783609841.jpg?fit=731%2C731&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1783609841.jpg?fit=731%2C731&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1783609841.jpg?fit=731%2C731&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1783609841.jpg?fit=731%2C731&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":1615,"url":"https:\/\/blshardware.com\/ru\/product\/dual-wing-sofa-headrest-lifter-hinge\/","url_meta":{"origin":2797,"position":1},"title":"Dual-Wing Adjustable Sofa Headrest Lifter Hinge Mechanism| BLS Hardware","author":"BLS Hardware","date":"8 \u0438\u044e\u043b\u044f, 2026","format":false,"excerpt":"Dual-Wing Adjustable Sofa Headrest Lifter Hinge Mechanism by BLS Hardware is a commercial-grade, multi-stage ratchet elevation system engineered for contemporary functional couches, luxury reclining sectionals, and executive home theater seating. Fabricated from heavy-gauge cold-rolled carbon steel with an anti-corrosion blue-white zinc electroplated finish, this hardware incorporates a wide-stance dual-wing porous\u2026","rel":"","context":"\u041f\u043e\u0445\u043e\u0436\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c","block_context":{"text":"\u041f\u043e\u0445\u043e\u0436\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c","link":""},"img":{"alt_text":"BLS Hardware Dual Wing Adjustable Sofa Headrest Lifter and Hinge Mechanism","src":"https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1783531225.jpg?fit=757%2C757&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1783531225.jpg?fit=757%2C757&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1783531225.jpg?fit=757%2C757&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/blshardware.com\/wp-content\/uploads\/2026\/07\/img_alibaba1783531225.jpg?fit=757%2C757&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":4817,"url":"https:\/\/blshardware.com\/ru\/product\/bls-ratchet-sofa-hinge-mechanism\/","url_meta":{"origin":2797,"position":2},"title":"Ratchet Sofa Hinge Mechanism: Best 3-Gear Joint  | BLS Hardware","author":"BLS Hardware","date":"29 \u0438\u044e\u043b\u044f, 2026","format":false,"excerpt":"The multi-position ratchet sofa hinge mechanism manufactured by BLS Hardware in Jinli, Guangdong, is precision-stamped from 2.5mm cold-rolled carbon steel (Grade Q235, \u00b10.2mm tolerance). 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