BRIEF biography of Jack Johnson and history of the wrench

Essay by jubsjubsJunior High, 8th grade March 2004

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THE WRENCH

Jack Johnson was an amazing man that changed history. His contribution to the world (the wrench) is still used widely throughout the world. The world and all things are either created by nature or man made, if man made it was probably constructed using hardware tools maybe including a wrench. Jack Johnson invented a history changing invention and patented it on April 18, 1922. This invention still changes lives today by putting together many of our belongings. Things like cars are repaired using a wrench and bicycles are made using wrenches. Things like chairs, beds, tables, and shelves are usually either created or fixed using a wrench and other hardware materials.

A wrench is a tool that is used by hand and is used for making and repairing things. A wrench can loosen or tighten bolts, nuts, or nails using it adjustable teeth at the front of the tool.

The first wrench was patented by Solymon Merrick in 1835. There is a variety of different wrenches that include; Monkey Wrench, Ratchet Wrench, Pipe Wrench, and the Rachetless Wrench, all of these different tools perform different functions. The wrench may seem like a simple hardware tool yet it is complicated, tedious, and a very precise piece of hardware.