Location History:
- 7334 Sussen, DE (1989)
- 7306 Denkendorf, DE (1990)
- Sussen, DE (1986 - 1995)
Company Filing History:
1 out of 1 
1 out of 5 
1 out of 2 Years Active: 1986-1995
Title: Innovations and Contributions of Gerhard Fetzer
Introduction
Gerhard Fetzer, an accomplished inventor based in Süssen, Germany, has made significant contributions to the field of engineering through his inventive designs and technologies. With a total of 10 patents to his name, Fetzer has established himself as a prominent figure in the industry, particularly in the realm of spinning machinery.
Latest Patents
Fetzer's latest innovations include an advanced *shaft coupling for bottom cylinders of drafting units on spinning*. This design features a shaft with an end area of reduced diameter that engages with a longitudinal bore at the end of an adjacent shaft. The connection is enhanced by a screw thread along with two centering surfaces, one achieving a clearance fit and the other a press fit. This thoughtful engineering minimizes radial deviations between shafts, ensuring improved performance.
Another notable patent is the *open-end spinning rotor assembly*, which consists of a rotor and rotor shaft. In this assembly, the free end of the rotor shaft is fitted with an exchangeable supporting element designed for a step bearing. The supporting element incorporates a centric guiding surface aligned with a concentric guiding surface on the shaft, optimizing functionality and stability.
Career Highlights
Throughout his career, Gerhard Fetzer has worked with notable companies such as Fritz and Hans Stahlecker, where he has honed his skills and expertise in engineering and invention. His insights and innovative patents reflect his deep understanding of machinery and design.
Collaborations
Fetzer collaborated closely with talented colleagues like Fritz Stahlecker and Rolf Griesinger, allowing for a dynamic exchange of ideas that led to successful innovations. These professional relationships have been instrumental in advancing their projects and achieving remarkable results in their respective fields.
Conclusion
Gerhard Fetzer's dedication and innovative spirit have left an indelible mark on the engineering industry. His patents demonstrate a profound understanding of mechanical systems, and his collaborative efforts with fellow engineers have paved the way for future advancements. As the industry continues to evolve, Fetzer's contributions will remain a cornerstone for aspiring inventors and engineers alike.