Who invented adjustable spanner? JP Johansson In 1891, JP Johansson took out a patent on a spanner with two movable jaws. One year later, he improved the tool, and it became today’s adjustable spanner. When
Who invented adjustable spanner?
JP Johansson
In 1891, JP Johansson took out a patent on a spanner with two movable jaws. One year later, he improved the tool, and it became today’s adjustable spanner.
When were adjustable wrenches invented?
Inventor of an adjustable spanner and plumber wrench. Johan Petter Johansson (December 12, 1853 – August 25, 1943), sometimes known as JP, was a Swedish inventor and industrialist. He invented a modern adjustable spanner (patents in 1891 and 11 May 1892).
Did Crescent invent the adjustable wrench?
Founded in 1907, the Crescent brand has changed ownership multiple times. It is currently owned by Apex Tool Group, LLC of Sparks, Maryland as part of its Hand Tools division. It is best known for its style of adjustable wrench….Crescent (brand)
| Product type | Hand tools |
|---|---|
| Website | www.crescenttool.com |
What is the correct name for an adjustable wrench?
A crescent wrench is sometimes called an adjustable wrench or an adjustable spanner wrench in some parts of the world.
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.
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.
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.
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.
Is socket better than wrench?
Instead of needing a separate wrench for each size fastener, only a separate socket is needed. The ratcheting mechanism of a socket wrench makes the task of tightening or loosening nuts faster and easier compared to a conventional wrench. This feature is particularly advantageous when working in cramped spaces.
What’s the difference between a socket wrench and a ratchet?
A socket wrench (or socket spanner) is a type of wrench (spanner in British English) that inserts into a socket to turn a fastener, typically in the form of a nut or bolt. The most prevalent form is the ratcheting socket wrench, often informally called a ratchet.
What’s the difference between a spanner and a wrench?
A spanner is a type of wrench with an opening and sometimes little teeth: you can clasp it over the nut or bolt and get a good grip. In the US, the main difference between a spanner and other wrenches is the spanner is adjustable and works with many sizes of nuts and bolts.
What is the safest way to use a wrench?
Safe Use of Wrenches: A Guide
- 1) Only use quality wrenches.
- 2) Match your wrench size to the job.
- 3) Always pull, never push.
- 4) Keep wrenches clean.
- 5) Never strike a wrench with a hammer.
- 6) Do not attempt to add leverage with other objects.
- 7) Never use a damaged wrench.
What are the uses of adjustable wrench?
An adjustable wrench is also called an adjustable spanner because the uses for both are the same. An adjustable wrench is a part and parcel of every tool box. It is mainly used to tighten or loosen a nut or bolt. It has its drawback; however, it can be used for various purposes because of its adjusting mechanism.
What does adjustable spanner mean?
What does adjustable-spanner mean? (UK) An adjustable hand tool for tightening and loosening nuts and bolts. (noun)
Is there a standard spanner wrench?
While there is such thing as a universal spanner wrench, which will be described more in detail later, each spanner wrench is not exactly the same, nor are they all interchangeable with each other. To be more specific, there are approximately 18 different standard sizes for a spanner wrench.
What does adjustable wrench mean?
An adjustable wrench is a tool where has an open-end wrench with a movable jaw, used for tightening or loosen the nuts or bolts. The adjustable wrench is also called the adjustable spanner (UK and most English speaking country) or crescent wrench or shifting spanner (Australia).