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The feature allowed a person using such a ratchet to remove the socket from the wrench with one hand, freeing the second hand from grabbing the socket while the other hand held the ratchet. [36] Roberts developed a prototype and applied for a patent in 1964. [37] While the patent was pending, he approached Sears and introduced the idea to them.
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.
Socket set with ratchet (above), four hex sockets and a universal joint. A socket wrench (or socket spanner) is a type of spanner (or wrench [1] in North American English) that uses a closed socket format, rather than a typical open wrench/spanner to turn a fastener, typically in the form of a nut or bolt.
The company began as Moore Drop Forging Company in Springfield, Massachusetts in 1900 [1] or 1901. [2] In 1938 Moore became a vendor for Sears Roebuck. [1] In 1967, Moore Drop Forging was acquired by Eastern Stainless Steel Corporation, a manufacturer of stainless and specialty steel. Easco continued the Craftsman contract with Sears.
In 1957, Luther Kilness filed patent numbers 2,554,990 [4] and 2,981,389 [5] with the United States Patent Office. This design can be said to be the next evolution of the ratchet design of SK Hand Tools' Theodore Rueb. [2] This ratchet was a very successful design, lasting from its introduction in 1961 to the eventual closure of New Britain in ...
North Bros. tool brand was called Yankee, much as Sears tools are branded Craftsman, and every tool they sold sported this trademark. In later years the Yankee name would become synonymous with the spiral ratchet screw driver invented by Furbish but it was originally seen on everything from bench vises to cutting tools. Building upon the line ...
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