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The Halligan bar was designed by New York City Fire Department (FDNY) First Deputy Chief Hugh Halligan in 1948 and was named after him. "Created by Hugh Halligan, allegedly modeled on a burglar's tool found in the rubble of a bank fire during overhaul operations." [3] — New York City Fire Museum
The New York roof hook (or halligan hook) is a firefighting tool used mostly for rooftop operations including vertical and horizontal ventilation, [1] pulling and prying. Developed in the 1940s by FDNY Deputy Chief Hugh Halligan, a prolific firefighting inventor who also designed the Halligan bar , the tool is composed of a 6-foot (1.8 m) long ...
The exact origin of the claw tool, which later became the Halligan bar, is not well documented, but according to FDNY folklore, it was discovered by firefighters responding to a fire at a lower Manhattan bank. The fire was started to cover up a burglary, and during the investigation, firefighters found an unusual tool with a claw-like end that ...
A Kelly Tool in the NYC Fire Museum (2nd from left) The Kelly tool is a tool used in fire and rescue service for forcible entry and other prying and striking tasks. The predecessor of the Halligan bar, it has largely been superseded by the latter, but still sees some use.
Tools like the Halligan bar, pry bar, Denver tool, Kelly tool, claw tool, or "the pig", can be used to lever a door open. Other tools, like sledgehammers or battering rams (like the enforcer ), concentrate a large amount of kinetic force on the door to defeat the locking mechanism.
It is used in conjunction with a Halligan bar and a flat-headed axe or maul (commonly referred to as "irons" or (with a maul instead of an axe) "heavy irons" [2]) to remove a cylinder lock with a protruding cylinder. It consists of a steel block roughly 3 inches by 3 inches by 1 inch thick with a K-shaped notch on one side, having sharp edges ...
The angle of the prongs resembles an upper-case letter A, hence the name "A-tool". Individual firefighters and fire departments may make modifications to officer's tools based on the types of locks and doors found in their area. A common modification involves adding metal spikes and forks to one end of the tool, similar to a Halligan bar. [3]
A firefighter tool called the Halligan bar has a dull adze on one end of the bar. This bar is a multipurpose tool for forcible entry of a structure and demolition with a forked pry-bar on one end and an adze and spike on the other, called the adze-end.