Views: 0 Author: Site Editor Publish Time: 2026-09-28 Origin: Site
Innovation and adaptability are core of our lever door lock development. To deliver reliable, cost-effective hardware solutions for global customers, our lever lock has obtained official Chinese utility model patent ZL 2025 2 2185362.9 for its exclusive eccentric transmission mechanism.
Unlike many generic lever locks on the market, this patented design solves a long-standing industry pain point: traditional locks require new moulds for different-size lock cylinders and regional key standards. Our patented structure supports multiple key dimensions within one unified lock appearance, bringing better compatibility and stable real-world performance.
· Eliminates repeated mould investment for different regional key & lock-cylinder sizes
· Resolves compatibility issue: one outer lock housing fits multiple lock cylinder specifications
· Compensates assembly tolerance via built-in spring components for smoother operation
· Exclusive mechanical structure, not easy for generic low-cost products to copy
The core patented eccentric assembly connects lock cylinder and security bar in an offset-axis layout. Instead of requiring lock cylinder and security bar to align on one straight shaft, the offset driving assembly transfers unlocking force reliably. One uniform lever-lock housing can match lock cylinders for 7 mm, 8.5 mm and other common-width keys for different countries.
Integrated compression springs inside the eccentric set absorb thickness and assembly gaps between internal parts. It reduces jamming risk caused by manufacturing tolerances, keeps key-turning action smooth over long-term use.
The rotation unit adopts washer-ball-switch-block stacked construction. Balls between contact parts lower friction. Dual-spring design compensates door-panel thickness variation, ensuring consistent handle performance across different door thickness.
· Ordinary lever locks: Lock-cylinder shaft must align perfectly with security bar. Different-size keys need separate lock-body moulds. Higher development & production cost for export orders; limited regional compatibility.
· Our patented lever lock: Patented eccentric offset transmission. Single lock housing works for multiple global key standards. Built-in springs & ball assembly reduce friction and tolerance-related failure. Legally protected innovative mechanical design.
Our lever lock eccentric transmission technology is officially filed and granted as utility model patent by China National Intellectual Property Administration, Patent No. ZL 2025 2 2185362.9, grant publication date Sep 15, 2026.
Every mechanical upgrade comes from real-world export-market demands. This patented mechanism targets global door-hardware projects, balancing product consistency, cost control and long-term service stability.
To sum up, our patented lever-door-lock series brings cross-regional key compatibility, cost-saving production advantages and smooth durable mechanical performance.
If you source door hardware for multi-country projects, our patented lever lock removes the trouble of multiple custom moulds. Select our patented lock solution to get a unified-appearance hardware product adapted for diverse global key standards.
