Toyo Tire‘s patent involves a mounting structure for a dynamic damper that effectively reduces vibration in a vehicle. The structure includes separate suspension and plate members, allowing for precise thickness control of rubber elastic bodies and easy vibration adjustment. The design inhibits upward mass shift and ensures stable insertion of the mass member. GlobalData’s report on Toyo Tire 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 Toyo Tire, Anti-skid tyre treads was a key innovation area identified from patents. Toyo Tire's grant share as of April 2024 was 36%. Grant share is based on the ratio of number of grants to total number of patents.

Mounting structure of dynamic damper for vehicle vibration reduction

Source: United States Patent and Trademark Office (USPTO). Credit: Toyo Tire Corp

A recently granted patent (Publication Number: US11964525B2) discloses a mounting structure for a dynamic damper designed to be mounted on a vehicle's vibration body. The structure includes a bracket fixed to the vehicle's vibration body, a pair of plates with protrusion sections creating opposite faces, and a mass member connected to the plates through rubber elastic bodies. The bracket features an opening for the mass member, with steps on the mass member inhibiting fall-off through the opening. An inhibition member is positioned opposite the mass member to prevent contact, ensuring the insertion state of the mass member is maintained. The plates and inhibition member are separate components, enhancing the structure's functionality and design.

Furthermore, the patent details additional features of the mounting structure, such as the inhibition member serving a dual purpose as a vehicle component with a concave section for accommodating the mass member. The curved shape of the concave section and the mass member's outer face ensures a secure fit. The structure also includes a rubber membrane on the mass member, with varying thickness for optimal performance. The design elements, including the fall prevention tool and bending processed plates, contribute to the overall effectiveness and stability of the dynamic damper mounting structure. These innovative features aim to enhance the performance and durability of vehicle dynamic dampers, providing a reliable solution for managing vibrations and improving overall driving experience.

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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.