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The company was one of the first to offer mass-produced drop-forged hand tools. [3] A second factory was opened in Buffalo, New York in 1914, now the site of General Motors' Tonawanda Engine plant. [4] The company was acquired by Snap-on in 1993. [citation needed] In 2011 it was officially renamed Snap-on Industrial Brands. [5]
It is the most common type of fire hose coupling used in the United States. The male and female straight (non-tapered) threads screw together and the connection is sealed with a gasket. The type of threaded coupling with a pin-lug swivel used on fire hoses was first manufactured prior to 1873 in the U.S.:
Quick couplers (also called quick hitches) are used with construction machines to allow the rapid change of working tools or buckets and attachments on the machine. They remove the need to use hammers to manually drive out and insert the mounting pins for attachments.
Channellock is an American company that produces hand tools.It is best known for its pliers—the company manufactures more than 75 types and sizes of pliers [1] —particularly its eponymous style of tongue-and-groove, slip-joint pliers. [2]
A hydraulic torque wrench is a power tool designed to exert torque on a fastener to achieve proper tightening or loosening of a connection through the use of hydraulics. A torque wrench is applied to the nut either directly or in conjunction with an impact socket. Hydraulic torque wrenches apply a predetermined, controlled amount of torque to a ...
The diagram from Beard's 1897 coupler patent [1]. Janney couplers were first patented in 1873 by Eli H. Janney (U.S. patent 138,405). [2] [3] Andrew Jackson Beard was amongst various inventors that made a multitude of improvements to the knuckle coupler; [1] Beard's patents were U.S. patent 594,059 granted 23 November 1897, which then sold for approximately $50,000, and U.S. patent 624,901 ...
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