Crowbar (tool)
Encyclopedia
A crowbar, a wrecking bar, pry bar, or prybar, or sometimes (in British usage) a prise bar or prisebar, and more informally a jimmy, jimmy bar, jemmy or gooseneck is a tool
Tool
A tool is a device that can be used to produce an item or achieve a task, but that is not consumed in the process. Informally the word is also used to describe a procedure or process with a specific purpose. Tools that are used in particular fields or activities may have different designations such...

 consisting of a metal
Metal
A metal , is an element, compound, or alloy that is a good conductor of both electricity and heat. Metals are usually malleable and shiny, that is they reflect most of incident light...

 bar with a single curved end and flattened points, often with a small fissure on one or both ends for removing nails. In the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

, Ireland
Republic of Ireland
Ireland , described as the Republic of Ireland , is a sovereign state in Europe occupying approximately five-sixths of the island of the same name. Its capital is Dublin. Ireland, which had a population of 4.58 million in 2011, is a constitutional republic governed as a parliamentary democracy,...

 and Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

, "crowbar" may occasionally be used loosely for this tool, but is more commonly used to mean a larger straight tool (see spud bar
Spud bar
thumb|right|250px|A spud bar, scale in inches/feetA spud bar, or in British English usually crowbar or just bar, is a long straight metal bar used lengthwise as a hand tool to deliver blows to a target, causing the target to move, break up or deform. It can also be used as a lever to move objects...

). The term jemmy or jimmy (named for a fictional burglar
Alias Jimmy Valentine
Alias Jimmy Valentine is a 1928 Metro-Goldwyn-Mayer film directed by Jack Conway, and starring William Haines, Leila Hyams, Lionel Barrymore, and Karl Dane. It is sourced from the O. Henry story,A Retrieved Reformation which was turned into the 1910 play Alias Jimmy Valentine by Paul Armstrong. The...

) most often refers to the tool when used for burglary
Burglary
Burglary is a crime, the essence of which is illicit entry into a building for the purposes of committing an offense. Usually that offense will be theft, but most jurisdictions specify others which fall within the ambit of burglary...

.

It is used as a lever
Lever
In physics, a lever is a rigid object that is used with an appropriate fulcrum or pivot point to either multiply the mechanical force that can be applied to another object or resistance force , or multiply the distance and speed at which the opposite end of the rigid object travels.This leverage...

 either to force apart two objects or to remove nails. Crowbars are commonly used to open nailed wooden crates. Common uses for larger crowbars are: removing nails, prying apart boards, and generally breaking things. Crowbars can be used as any of the three lever classes but the curved end is usually used as a first-class lever, and the flat end as a second class lever.

Materials and construction

Normally made of medium-carbon steel
Steel
Steel is an alloy that consists mostly of iron and has a carbon content between 0.2% and 2.1% by weight, depending on the grade. Carbon is the most common alloying material for iron, but various other alloying elements are used, such as manganese, chromium, vanadium, and tungsten...

 they can alternatively be made from titanium
Titanium
Titanium is a chemical element with the symbol Ti and atomic number 22. It has a low density and is a strong, lustrous, corrosion-resistant transition metal with a silver color....

, which has the advantages of being lighter and nonmagnetic.

The least expensive, most common crowbars are forged from hexagonal, or sometimes cylindrical stock. More expensive designs may be forged with an I-shaped
I-beam
-beams, also known as H-beams, W-beams , rolled steel joist , or double-T are beams with an - or H-shaped cross-section. The horizontal elements of the "" are flanges, while the vertical element is the web...

 cross-section shaft.

Etymology

The accepted etymology
Etymology
Etymology is the study of the history of words, their origins, and how their form and meaning have changed over time.For languages with a long written history, etymologists make use of texts in these languages and texts about the languages to gather knowledge about how words were used during...

 identifies the first component of the word crowbar with the bird-name "crow", perhaps due to the crowbar’s resemblance to the feet or beak of a crow. The first attestation of the word is circa 1400. They also were called simply crows, or iron crows; William Shakespeare
William Shakespeare
William Shakespeare was an English poet and playwright, widely regarded as the greatest writer in the English language and the world's pre-eminent dramatist. He is often called England's national poet and the "Bard of Avon"...

 used the term iron crow in many places, including his play Romeo and Juliet
Romeo and Juliet
Romeo and Juliet is a tragedy written early in the career of playwright William Shakespeare about two young star-crossed lovers whose deaths ultimately unite their feuding families. It was among Shakespeare's most popular archetypal stories of young, teenage lovers.Romeo and Juliet belongs to a...

, Act 5, Scene 2:
Get me an iron crow and bring it straight
Unto my cell.

In the 1719 novel by Daniel Defoe
Daniel Defoe
Daniel Defoe , born Daniel Foe, was an English trader, writer, journalist, and pamphleteer, who gained fame for his novel Robinson Crusoe. Defoe is notable for being one of the earliest proponents of the novel, as he helped to popularise the form in Britain and along with others such as Richardson,...

, Robinson Crusoe
Robinson Crusoe
Robinson Crusoe is a novel by Daniel Defoe that was first published in 1719. Epistolary, confessional, and didactic in form, the book is a fictional autobiography of the title character—a castaway who spends 28 years on a remote tropical island near Trinidad, encountering cannibals, captives, and...

, the protagonist uses crowbars as pickaxes but refers to these tools as iron crows:
As for the pickaxe, I made use of the iron crows, which were proper enough, though heavy;

Popular culture

  • The crowbar occurs as a basic weapon in many computer games
    Computer Games
    "Computer Games" is a single by New Zealand group, Mi-Sex released in 1979 in Australia and New Zealand and in 1981 throughout Europe. It was the single that launched the band, and was hugely popular, particularly in Australia and New Zealand...

    , most notably wielded by the main character of the Half-Life
    Half-Life (series)
    The Half-Life series of video games share a science fiction alternate history. Nearly all of the games are first-person shooters on the GoldSource or Source engines, and most are linear, narrative, single-player titles....

    franchise, Gordon Freeman
    Gordon Freeman
    Gordon Freeman is a fictional character and the main protagonist of the Half-Life video game series. He is a theoretical physicist who finds himself thrust into a battle for survival against both alien and human forces. Throughout the series, Gordon must prevail in hostile situations despite...

    . It is also used as a means of opening hidden crates, as seen in the Deus Ex
    Deus Ex
    Deus Ex is an action role-playing game developed by Ion Storm Inc. and published by Eidos Interactive in 2000, which combines gameplay elements of first-person shooters with those of role-playing video games...

    .
  • The Marvel Comics
    Marvel Comics
    Marvel Worldwide, Inc., commonly referred to as Marvel Comics and formerly Marvel Publishing, Inc. and Marvel Comics Group, is an American company that publishes comic books and related media...

     supervillain
    Supervillain
    A supervillain or supervillainess is a variant of the villain character type, commonly found in comic books, action movies and science fiction in various media.They are sometimes used as foils to superheroes and other fictional heroes...

    , The Wrecker
    Wrecker (comics)
    The Wrecker is a fictional character that appears in comic books published by Marvel Comics. The Wrecker was created by Stan Lee and Jack Kirby and first appears in The Mighty Thor #148 The Wrecker (Dirk Garthwaite) is a fictional character that appears in comic books published by Marvel Comics....

     used this tool as his primary weapon, especially after it was accidentally enchanted by Asgardian magic to give him power enough to challenge Thor
    Thor (comics)
    Thor has appeared as a character in various comics over the years, appearing in series from a range of publishers.-Marvel Comics:Thor is a Marvel Comics superhero, based on the thunder god of Norse mythology...

    .
  • In the Batman
    Batman
    Batman is a fictional character created by the artist Bob Kane and writer Bill Finger. A comic book superhero, Batman first appeared in Detective Comics #27 , and since then has appeared primarily in publications by DC Comics...

     comic book story arc A Death in the Family
    Batman: A Death in the Family
    "A Death in the Family" is a Batman comic book story arc first published in the late 1980s which gave fans the ability to influence the story through voting with a 900 number. "A Death in the Family" ran in Batman #426-429, published in 1988-1989...

    (as well as the animated movie, Batman: Under the Red Hood
    Batman: Under the Red Hood
    # "A Death in the Family" # "Main Titles" # "Mob Boss Meeting" # "Amazo" # "Batwing" # "Batmobile to Arkham" # "Interrogation" # "Rooftop Chase" # "Flashback" # "Black Mask Strikes Back"...

    ), the Joker beats Robin to death with a crowbar.
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