LCI Industries has been granted a patent for a sliding door assembly featuring a door frame with a primary sliding panel and a secondary sliding panel. The design includes an interlock mechanism to secure the panels and a track system to support the primary panel, enhancing stability and functionality. GlobalData’s report on LCI Industries gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on LCI Industries, was a key innovation area identified from patents. LCI Industries's grant share as of June 2024 was 63%. Grant share is based on the ratio of number of grants to total number of patents.

Sliding door assembly with interlock and brake mechanisms

Source: United States Patent and Trademark Office (USPTO). Credit: LCI Industries

The patent US12037839B2 describes a sliding door assembly designed to enhance functionality and security through a unique interlock mechanism and a brake system. The assembly includes a door frame with a top trim member, bottom sill, and side jambs, housing a primary sliding panel that can move between a closed position and two open positions. A secondary sliding panel is also integrated, which can slide between the first and second open positions. The interlock mechanism plays a crucial role by locking the secondary panel to the bottom sill until the primary panel is moved to the first open position. Once the primary panel is fully opened, the interlock mechanism secures the secondary panel to the primary panel, ensuring stability and security during operation.

Additionally, the assembly features a brake mechanism that works in conjunction with the primary sliding panel. This mechanism is designed to hold the primary panel in place until the door handle is actuated, allowing for smooth operation. The brake system includes a rod, collar, moving block, and brake pad, which work together to engage and disengage the brake based on the position of the door handle. The design also incorporates a spring that biases the brake mechanism towards an engaged position, ensuring that the primary panel remains securely in place when not in use. Overall, the sliding door assembly presents a sophisticated solution for sliding door functionality, combining ease of use with enhanced security features.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.