Who made the first adjustable wrench?
What was the first adjustable wrench? The first adjustable wrench was invented by English engineer Richard Clyburn in 1842. Then known as an English key, or adjustable spanner, the design was improved upon by Johan Petter Johansson and marketed by the Bacho company of Sweden in 1892.
What is an adjustable wrench called? An adjustable wrench, also called an adjustable spanner or an adjustable crescent is a tool, which can be used to loosen or tighten a nut or bolt. It has a “jaw” (the part where the nut or bolt fits), which is of adjustable size [source: Websters]. Open the adjustable wrench by turning the screw mechanism.
What is a 6 sided wrench called? WRENCH TYPE: Hex-Key Wrench
Also called Allen wrenches (although “Allen” actually refers to specific brand known for making hex-key wrenches), these short six-sided bars of steel are characteristically L-shaped, with one side shorter than the other.
Who made the first adjustable wrench? – Related Questions
What is the difference between a crescent wrench and an adjustable wrench?
An adjustable wrench is larger than a fixed open-end or box-end wrench, but one adjustable alone can do the work of a number of fixed wrenches. The crescent has one jaw that is fixed and one that is adjusted by turning a worm screw. Both larger and smaller models, as well as a number of sizes in between, are available.
Why do they call a pipe wrench a monkey wrench?
Hall sent a clip from World Wide Words, an etymology website, which suggested that the wrench got its animalistic moniker because it was similar to a “key wrench,” but was different enough to be called a “non-key” wrench. That awkward phrasing was then corrupted to “monkey wrench.”
What’s the difference between a wrench and a spanner?
The term wrench is generally used for tools that turn non-fastening devices (e.g. tap wrench and pipe wrench), or may be used for a monkey wrench—an adjustable pipe wrench. In American English, spanner refers to a specialized wrench with a series of pins or tabs around the circumference.
What is the actual name of a monkey wrench?
These are also known as a Ford wrench owing to this type of wrench being included in the tool kit supplied with every Ford Model A. They are still used by aircraft technicians, mainly when large but low torque fasteners are involved.
When was the shifting spanner invented?
Johan Petter Johansson ( – ), sometimes known as JP, was a Swedish inventor and industrialist. He invented a modern adjustable spanner (patents in 1891 and ). He obtained over 100 patents in total.
What does a wrench look like?
A crescent wrench looks a lot like a monkey wrench; in fact, most of the simple adjustable wrenches you know look like crescent wrenches. A crescent wrench is usually made of steel and has a relatively flat handle that’s a number of inches long.
What can I use instead of an Allen wrench?
For smaller Allen wrench nuts, you could likely use a set of flat-tipped tweezers, or even the flat edge on a pair of finger nail clippers. There are numbers of bathroom items that can be used in such cases, and again it is just about being able to turn or spin this screw, nut, or bolt to get it loose.
Who uses wrench?
Wrenches are made in various shapes and sizes and are used for gripping, fastening, turning, tightening and loosening things like pipes, pipe fittings, nuts and bolts. There are basically two major kinds of wrenches: Pipe wrenches used in plumbing for gripping round (cylindrical) things.
Should you normally pull on a wrench?
Always pull, rather than push, a wrench for greater control and balance. That way, if the nut or bolt should suddenly loosen, you’re less likely to go flying. Never try to get more torque from a wrench by using a cheater bar or other device to extend the leverage.
Can you use a wrench instead of a socket wrench?
Wrenches perform the same function as ratchets and sockets — tightening and loosening fasteners — but there are differences and situations that call for one over the other. A wrench with an open end fits around a fastener instead of over it, so you can slip it into an area where there isn’t room for a socket.
What are the standard wrench sizes?
Wrenches: Standard Combination Wrenches (1/4, 5/16, 11/32, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1) Metric Combination Wrenches (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19) Standard Flare Nut Wrenches (3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 7/8) Note: Each wrench may combine two sizes.
What is a monkey wrench slang?
Sabotage or frustrate a project or plans, as in The boss threw a monkey wrench into our plans when he said we’d have to work Saturday. This transfer of industrial sabotage—that is, throwing a tool inside machinery—to other subjects dates from the early 1900s.
What does throwing a monkey wrench mean?
US, informal. : to damage or change (something) in a way that ruins it or prevents it from working properly The storm threw a monkey wrench into their plans for a picnic.
What is monkey wrench used for?
The monkey wrench can be used to clamp onto pipes and various fasteners such as lug nuts, bolts and screws. The jaws of the monkey wrench are attached to the fastener head: This is where you want to slide the lower jaw to fit the specific fastener with a strong grip.
Why are wrench preferred over spanner?
Torque or turning effect due to a force is maximum when r is maximum. We prefer to use a wrench with long arm because when the length of the arm(r) is long, the force (F) required to produce a given turning effect ( x ) is smaller. Hence, a nut can be unscrewed easily.
What do they call a wrench?
Spanner. The Brits call it a spanner, the Americans call it a wrench. But whichever you prefer, it’s also interchangeable with other similar tools, such as the box-end wrench (ring spanner) and the flare-nut or tube wrench (crow’s foot spanner).
Is a wrench a lever?
Basically, a wrench consists of a stout lever with a notch at one or both ends for gripping the bolt or nut in such a way that it can be twisted by a pull on the wrench at right angles to the axes of the lever and the bolt or nut.
Where does the name wrench come from?
The name Wrench came to England with the ancestors of the Wrench family in the Norman Conquest of 1066. The Wrench family lived in Cambridgeshire, at Wrench.
Who is Charles Moncky?
Charles Moncky, a Baltimore mechanic, invented the monkey wrench around 1858. Moncky’s wrench was named using a purposeful misspelling of his name.
What does a box-end wrench look like?
Box-end wrenches have ends that enclose the nut and have 6, 8, 12, or 16 points inside the head. A wrench with 12 points is used on either a hexagonal or a square nut; the 8- and 16-point wrenches are used on square members. The open-end wrench may have rectangular slots on one or both ends.
Which wrench has speed of use as a benefit?
A ratcheting socket wrench is also sometimes called a speed wrench since it fulfills the criteria for rapid use. The main advantage over a box wrench is that it can access more recessed fasteners, and takes up less space in a toolbox with its detachable handle and sockets.