ThyssenKrupp has been granted a patent for a coupling element designed for threaded spindles. This element features an integral construction with a hollow-cylindrical receiving portion and a flattened coupling portion, enhancing production efficiency through a continuous pipe design and positive-locking plastic deformations. GlobalData’s report on ThyssenKrupp gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Coupling element for threaded spindle in spindle drives
The granted patent US12071171B2 presents claims related to a threaded spindle designed for spindle drives, particularly in applications such as adjusting steering columns. The first claim details a threaded spindle that features an outer thread and an integral coupling element. This coupling element consists of a coupling portion and a receiving portion, which is hollow-cylindrical and designed to receive a securing portion of the threaded spindle. The coupling portion is flattened transversely to the axis and includes a connection means. Notably, both the receiving and coupling portions are formed from a continuous, integral pipe portion, with the receiving portion exhibiting a plastic deformation that positively locks with a corresponding deformation of the threaded spindle. Additionally, the coupling portion includes a pressing section where the pipe portion is plastically compressed.
The second claim outlines a spindle drive that incorporates a rotatably drivable spindle nut, which engages with the threaded spindle described in the first claim. This configuration allows for the secure attachment of the coupling element to the threaded spindle, facilitating its function in adjusting the steering column. The third claim reiterates the design of the threaded spindle, emphasizing the use of a continuous, integral metal sheet portion for the coupling element, where the receiving portion is bent into a tubular shape around the threaded spindle and crimped onto the outer thread. This innovative design aims to enhance the structural integrity and functionality of the spindle drive system.
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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.
