Gestamp Automocion has been granted a patent for a spindle rod design for a spindle device. The rod includes a threaded portion and a coupling part made of metal or metal alloy, connected to the rod by friction welding. The design also features a bead-shaped thickening for enhanced functionality. GlobalData’s report on Gestamp Automocion 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 Gestamp Automocion, was a key innovation area identified from patents. Gestamp Automocion's grant share as of February 2024 was 57%. Grant share is based on the ratio of number of grants to total number of patents.
Spindle rod with cold extrusion coupling part for drive devices
The granted patent (Publication Number: US11913526B2) discloses a spindle rod for a spindle device, featuring a threaded rod with a coupling part made of a metal or metal alloy. The coupling part is integrally connected to the threaded rod through friction welding, with a bead-shaped thickening providing a connecting portion for the threaded rod. An elastic sealing element is pressed into a circumferential groove, enhancing the sealing properties of the coupling part. Additionally, a bearing device for the rotatable mounting of the threaded rod is axially secured on the coupling part, with the bearing element revolving around it.
Furthermore, the patent describes a spindle device for a drive device, incorporating the spindle rod with a threaded portion engaged with a spindle nut. The coupling part of the spindle rod is connected to the threaded rod to enable rotation via a bearing device. The bearing element is secured to the coupling part by being clamped between an elastic sealing element and an annular projection. The device also includes a stop part at the opposite end of the threaded rod, connected through friction welding. The alignment of the stop part and the coupling part is concentric with the spindle axis, ensuring proper functionality of the spindle device. These innovative features aim to enhance the performance and durability of spindle devices in various applications.
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