Company Filing History:
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1 out of 440 
Years Active: 1996-2006
Title: Pierre Haefeli: Innovator in Mechanical and Electrical Coupling Mechanisms
Introduction
Pierre Haefeli is a notable inventor based in Saules, Switzerland. He has made significant contributions to the field of mechanical and electrical engineering, particularly through his innovative patents. With a total of 2 patents, Haefeli has demonstrated his expertise and creativity in developing advanced coupling mechanisms.
Latest Patents
One of Haefeli's latest patents is a chronograph coupling mechanism. This invention involves a coupling wheel that can be brought into friction with an intermediate second wheel or moved away from it by a fork formed in the large arm of an L-shaped coupling spring. The small arm of the coupling spring is stressed by the end of a control lever, allowing for adjustments to compensate for manufacturing tolerances. Another significant patent is a coupling device between a source of mechanical energy and an electrical generator. This device features an arbor driven by the mechanical energy source, a cylindrical element mounted on the arbor, and a tube that rotates freely to drive the generator. A helical spring is friction-fitted on the cylindrical element and the tube, providing a space that allows for effective energy transfer.
Career Highlights
Throughout his career, Pierre Haefeli has worked with prominent companies in the watchmaking industry, including Eta Sa Fabriques D'ebauches and Eta Sa Manufacture Horlogère Suisse. His experience in these organizations has contributed to his development as an inventor and innovator.
Collaborations
Haefeli has collaborated with notable individuals in his field, including Jean-Luc Beguin and Alphonse Bron. These partnerships have likely enriched his work and led to further advancements in his inventions.
Conclusion
Pierre Haefeli's contributions to mechanical and electrical coupling mechanisms highlight his innovative spirit and technical expertise. His patents reflect a deep understanding of engineering principles and a commitment to advancing technology.