Sanwa has been granted a patent for a hinge design that features interlocking gears to create a water-shedding joint between two panels. The hinge includes a cover for attachment and is formed through an extrusion process, ensuring a co-planar orientation of the panel surfaces. GlobalData’s report on Sanwa gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on Sanwa, Tunnel Rescue/Safety Devices was a key innovation area identified from patents. Sanwa's grant share as of June 2024 was 53%. Grant share is based on the ratio of number of grants to total number of patents.
Hinge with water shedding joint for two panels
The patent US12031366B2 describes a novel hinge designed for the movable attachment of two panels, featuring a unique gear mechanism. The hinge comprises a first gear and a second gear, each defined by the walls of hollow frame portions of the respective panels. These gears interlock to create a water-shedding joint when the outside surfaces of the panels are aligned in a co-planar orientation. The design includes a cover that connects the hollow frame portions, and the gears are structured to support the weight of the upper panel primarily through the lower gear. Additional features include protrusions on the cover that engage with recesses in the gears, ensuring their engagement and facilitating smooth operation.
The hinge can be extruded as part of the panels, allowing for consistent cross-sections along their lengths. The patent also outlines methods for forming the hinge, which involve extruding the gears and panels together and assembling them with the cover. This design is particularly applicable to segmented doors, where multiple panels are connected, and the hinge allows for rotational movement between them. The claims emphasize the structural integrity and functionality of the hinge, highlighting its potential applications in various door configurations.
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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.
