This action is used to provide mechanical advantage in order to loosen bolts. When the pawl touches this slope, it prevents any further movement. The slope on the other side of each tooth is much steeper. On one side of each tooth, there will be a gentle slope. The gear or rack will usually have teeth that are asymmetrical. The socket is fastened to a key, which prevents the socket from falling off easily.)Ī gear (or linear rack) and pawl system work together to allow movement only in one direction. (It is called a socket wrench because it uses different size sockets to loosen different size bolts. An example of a ratchet is a socket wrench, a tool that is commonly used by auto mechanics to loosen bolts on cars and trucks. In most instances you will hear this word, the term is used to refer to a type of mechanism used in mechanical applications such as tools.
Those of you who are new in America may have heard the word ‘ratchet’ used, especially among auto mechanics and in urban areas.
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