Overview

Lewis R. Heim was an American machinists, engineer and manufacturer who invented the Centerless Cylindrical Grinder and the Rod End Bearing known as the ""Heim Joint"" and was one of the pioneers of modern antifriction and spherical bearings. Lewis Heim had an inherent ability to visualize complex mechanisms and mechanical processes that resulted in the creation of novel machines, manufacturing methods, tools, and mechanical bearings. He was granted his first patent in 1896 at the age of 22 and his last patent in 1968, four years after his death at age 89. His inventions ranged from machines to manufacture hats and automate the ironing of fold collars, to precision grinders and swaging devices for bearing components plus plain and antifriction bearings used in submarines, tanks, aircraft, trucks, automobiles, and industrial machinery. With every invention Heim sought to improve product designs, increase production rates, and reduce costs to compete in highly competitive markets. Heim became internationally known as an industrialist and designer of machinery and at the time of his retirement, he was president of the Heim Company of Fairfield, Connecticut. During his long career, which spanned more than seven decades, he was granted 92 patents for his inventions, many of which are still in use today. As the inventor of the centerless cylindrical grinder, which was critical to the growth and success of the automobile and aircraft industries, Heim saw his invention revolutionize machine shop practices around the world through the high-speed production of cylindrical metal components used in the internal combustion engine, mechanical bearings, and machines. His invention continues in wide use over 100 years after its conception. Mr. Heim was the original inventor of the Spherical Rod End Bearing that became known as the ""Heim Joint"" and ""Heim Rod End"". With its ability to handle misalignment and relatively heavy loads in linkages transmitting motion or power, it was developed at the request of US Army Air Force and installed in most US and Allied aircraft by the end of World War II. The Rod End, and its cousin, the Spherical Plain Bearing, continues to be widely used in aircraft and machines requiring their unique abilities.

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Independent Press Awards: 2020 Distinguished Favorites: Biography - Historical

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Robert Jacobs is the great-grandson of Lewis Heim. He is a graduate mechanical engineer from Lehigh University with over 30 years working in the power generation industry. A native of West Haven, Connecticut, Peter Malia received his graduate training in American History at Trinity College in Hartford, and Fordham University, New York. Has served as primary research historian at Sleep Hollow Restorations, Inc., Assistant Editor of Sleepy Hollow Press, and Editor-in-chief of the Connecticut Historical Society.

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