Invacare’s patented wheelchair and suspension system includes a wheel assembly with a unique design for impact absorption. The system provides suspension between the main drive wheels and frame, as well as between the anti-tip wheels and frame. GlobalData’s report on Invacare 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 Invacare, HEV energy management was a key innovation area identified from patents. Invacare's grant share as of May 2024 was 50%. Grant share is based on the ratio of number of grants to total number of patents.
Wheel assembly with suspension system for a vehicle
A recently granted patent (Publication Number: US11957631B2) discloses a wheel assembly for a vehicle, comprising a housing, sleeves, a resilient member, a wheel spindle member, and a wheel. The assembly includes specific configurations and arrangements of these components to ensure proper functioning and durability. The housing features inner wall surfaces with recessed portions for accommodating the sleeves and retaining rings. The resilient member acts as a cylindrical bushing between the sleeves, while the wheel spindle member extends beyond the sleeves and the resilient member, providing stability and support to the wheel. Additionally, a lubricant is included between the second sleeve and the wheel spindle member for smooth operation.
Furthermore, the patent also covers a wheelchair design featuring pivot arms, rear wheels, and a biasing member for enhanced maneuverability and stability. The pivot arms have pivot connections and stop surfaces, while the biasing member helps maintain the desired position of the pivot stop surfaces. The wheelchair design allows for rear-wheel drive positioning and includes bumper members for added protection and functionality. The specific configurations of the pivot arms, stop surfaces, and contact surfaces ensure optimal performance and safety of the wheelchair, especially in response to tipping behavior. Overall, the patented wheelchair design offers improved functionality and comfort for users, making it a significant innovation in the field of mobility aids.
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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.
