Lewis R. Heim
Lewis R. Heim Born: Lewis R. Heim September 19, 1874 East Fishkill, New York
Died: March 29, 1964 (age: 89) Orlando, Florida
Nationality: American
Occupation: Machinist, Inventor, Businessman
Years Active: 1896 – 1964
Known for: Inventor of the Centerless Cylindrical Grinder and the Spherical Rod End Bearing.
Lewis Rasmus Heim (19 September 1874 to 29 March 1964) was an American machinist and businessman who was the inventor of the Centerless Cylindrical Grinder, the Heim Joint Rod End Bearing and a pioneer of modern spherical, ball and roller bearings.
Lewis Heim was a self-taught machinist with an inherent ability to visualize complex mechanisms and mechanical processes that resulted in the creation of novel machines, machine tools, manufacturing methods and mechanical bearings and was granted 92 patents over his lifetime. His inventions ranged from machines to manufacture hats and automate the ironing of fold collars to precision grinders and industrial bearings used in automobiles, aircraft and machinery. With every invention Heim sought to improve product designs, increase production rates and reduce costs.[1]
Early Life
Born on a farm in New York in 1874, Lewis Heim lived in the age of rapid industrialization of the United States with the evolution of automobiles, airplanes and mass-production technologies. Heim was the second of five children born to Charles and Frederika Heim, both immigrants from Germany. In 1890, at the age of 16, Mr. Heim moved to Danbury, Connecticut, which, at that time, was one of the major centers for manufacturing hats in the United States. Heim took several odd jobs before taking a job as a machinist at one of the Danbury hat-making companies.Cite error: Closing </ref> missing for <ref> tag Heim’s bearing consisted of a ball with a drilled-through hole, a threaded shaft (rod) that contained a circular head forming the outer race, and two soft-metal bushings that sealed the ball into the head. The threaded shaft allowed the rod end of the bearing to be connected to a moving component and adjusted as necessary for a tight connection. On September 29, 1942, Heim filed his first patent application for the four-piece rod end bearing that was granted patent number 2,366,668 on January 2, 1945. Cite error: Closing </ref> missing for <ref> tag tags, these references will then appear here automatically -->
- ↑ Robert V. Jacobs, “Lewis R. Heim: Mechanical Genius of Modern Industry”, The Connecticut Press, 2019
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