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Walter Pearson married Helena Snyder (her name was later anglicized to Helen; born in Illinois, she was the daughter of German immigrants.) Their children were Frederick Beverly Pearson (b. 22 May 1895) and Beatrice Pearson (b. 1 July 1905), born in Chicago and Michigan, respectively.
[11] [12] Roberts invented a machine that could make the tops and bottoms of screws at the same time; he sold the business for a million dollars and devoted the remainder of his life to other inventions. [13] Among those, Roberts was also the inventor of a machine for threading bung-bushes, for Crane Brothers Manufacturing Company, of Chicago. [14]
J bolt - Bolt shaped like the letter J, used for tie downs. Only the straight section is threaded for a nut. Rock bolt - Used in tunnel construction to stabilize walls. Sex bolt or Chicago bolt - Bolt that has a male and female part with interior threads and bolt heads on either end. Commonly used in paper binding.
Judson was born March 7, 1843, in Chicago, Illinois. ... a chain-lock fastener, was the precursor to the modern zipper which he developed and invented in 1891. [5]
The Chicago Faucet Company, founded on the near-west side of Chicago, Illinois, United States, has been producing faucets and other plumbing fixtures since 1901. [4] The company founder, Albert C. Brown, invented the Quaturn Cartridge in 1913 that worked with the flow of water to make it both easy to open and close the spigots and forestalled leak development.
Nuts and bolts were originally hand-crafted together, so that each nut matched its own bolt, but they were not interchangeable. This made it virtually impossible to replace lost or damaged fixers, as they were all different. Joseph Whitworth in 1841 proposed that a standard should be set, but it did not happen immediately.
Illinois Tool Works Inc. or ITW is an American Fortune 200 [3] company that produces engineered fasteners and components, equipment and consumable systems, and specialty products. It was founded in 1912 by Byron L. Smith and has built its growth on a "small-wins strategy" based on decentralization, simplicity, customer-focused innovation, and ...
The Fisher Body company, which made the car bodies for the Ford Motor Company, was one of Robertson's first customers and used over 700 Robertson screws in its Model T car. [12] Henry Ford , after finding that the screw saved him about 2 hours of work for each car, attempted to get an exclusive licence for the use and manufacture of the ...