What is an adjustable wrench?
Q: What is an adjustable wrench?
A: An adjustable wrench is a tool used for fastening or loosening nuts or bolts of different sizes, which has a jaw of adjustable width.
Q: What are some other names for an adjustable wrench?
A: An adjustable wrench may have different names in different parts of the world.
Q: Who is one claimed inventor of the adjustable wrench?
A: Edwin Beard Budding, an engineer from Stroud, England, is claimed to be one of the inventors of the adjustable wrench.
Q: Who received the US patent for an adjustable spanner that permitted both the jaw width and the angle of the handles to be adjusted and locked?
A: Enoch Harris received the US patent 326868 for his adjustable spanner that allowed both the jaw width and the angle of the handles to be adjusted and locked.
Q: What is another name for an adjustable wrench in some countries?
A: Some countries refer to an adjustable wrench as a "Swedish key" after Swedish inventor Johan Petter Johansson.
Q: Who is Johan Petter Johansson, and what is his contribution to the development of the adjustable wrench?
A: Johan Petter Johansson is a Swedish inventor who invented an improved version of the adjustable spanner for which he received a patent in 1891, which is still used today. He improved the invention of another English engineer Richard Clyburn in 1842.
Q: What is the primary function of the adjustable wrench?
A: The primary function of an adjustable wrench is to fasten or loosen nuts or bolts of different sizes using its adjustable jaw width.
