Search results
Results From The WOW.Com Content Network
The term wrench is generally used for tools that turn non-fastening devices (e.g. tap wrench and pipe wrench), or may be used for a monkey wrench—an adjustable pipe wrench. [1] In North American English, wrench is the standard term. The most common shapes are called open-end wrench and box-end wrench.
Loring Coes (April 22, 1812 – July 13, 1906) was an American inventor, industrialist and Republican politician who invented the screw type wrench, commonly known as the monkey wrench and who served as a member of the Worcester, Massachusetts City Council and Board of Aldermen, and as a member of the Massachusetts House of Representatives [1] [2] in 1864–1865.
3.3 Mya – 2.6 Mya: Stone tools - found in modern-day Kenya are older and only found on the archetype road. Ancient stone tools from Ethiopia were hand-crafted by Australopithecus or related people. [1] [2] [further explanation needed] 2.3 Mya: Earliest likely control of fire and cooking, by Homo habilis [3] [4] [5]
Craftsman is a line of tools, lawn and garden equipment, and work wear.Originally a house brand established by Sears, the brand is now owned by Stanley Black & Decker.. As with all Sears products, Craftsman tools were not manufactured by Sears during the company's ownership, but made under contract by various other companies.
The company has a tool line of over 3,500 items including wrenches, ratchets, screwdrivers, tool boxes and air tools. In 2021, SK was acquired by Hangzhou GreatStar Industrial. Jay Leno described the company as "an iconic American brand for decades," [2] and the company is known for inventing the round-head ratchet wrench.
The first locking pliers, with the trade name Vise-Grip, were invented by William S. Petersen in De Witt, Nebraska, United States in 1924. [ 1 ] [ 2 ] Later, in 1955, in the United Kingdom, M K Mole and Son, a hand tool manufacturing company, under the managing direction of Thomas Coughtrie , began making nearly identical pliers.
While at the J. J. Walworth Company, he developed his pipe wrench. [2] On September 13, 1870, he was issued his patent. Stillson was paid about $80,000 in royalties during his lifetime. [3] He died on August 23, 1899, and is buried at Mount Auburn Cemetery in Cambridge and Watertown, Massachusetts.
Stephen invented a self-discharging motorized transit mixer that was the predecessor of the concrete mixer truck and applied for a patent in 1916. [2] However, the patent was rejected in April 1917 by the patent office because it was believed that a truck could not support the weight of a concrete mixer on top of it. [5]