- closed bolt
- noun
: a bookbinding in which the edge folds of the sections are left uncut
Useful english dictionary. 2012.
closed bolt
Look at other dictionaries:
Closed bolt — A semi or full automatic firearm which is said to fire from a closed bolt is one where, when ready to fire, a round is in the chamber and the bolt and working parts are forward. When the trigger is pulled the firing pin or striker fires the round … Wikipedia
Bolt action — The term bolt action refers to a type of firearm action in which the weapon s bolt is operated manually by the opening and closing of the breech with a small handle, most commonly placed on the right hand side of the weapon. As the handle is… … Wikipedia
Bolt (firearm) — A bolt is a mechanical part of a firearm that blocks the rear of the chamber while the powder burns.In a bolt action, the bolt is held fixed by its locking lugs, forcing all the expanding gas forward.In a semi automatic firearm, the bolt can move … Wikipedia
Bolt (website) — Infobox Website name = Bolt caption = bolt.com logo from 2006 to 2007 url = [http://www.bolt.com/ www.Bolt.com] alexa = commercial = Yes type = Social network service language = English registration = Required for most services owner = Fundbolt,… … Wikipedia
Closed chain — Chain Chain (ch[=a]n), n. [F. cha[^i]ne, fr. L. catena. Cf. {Catenate}.] 1. A series of links or rings, usually of metal, connected, or fitted into one another, used for various purposes, as of support, of restraint, of ornament, of the exertion… … The Collaborative International Dictionary of English
bolt — {{Roman}}I.{{/Roman}} noun 1 for fastening things together VERB + BOLT ▪ tighten, tighten up ▪ loosen ▪ remove, undo, unscrew PHRASES … Collocations dictionary
bolt cup — n. a thimble shaped device in a safe door frame that a locking bolt extends into when the door is closed and the bolt(s) are extended … Locksmith dictionary
bolt-and-lever — /ˈboʊlt ən livə/ (say bohlt uhn leevuh) adjective of, relating to, or designating a gun action in which fresh cartridges are loaded by a lever situated near the trigger, the breech being opened and closed by means of a bolt. Compare pump action.… …
Open bolt — A semi or full automatic firearm is said to fire from an open bolt if, when ready to fire, the bolt and working parts are held to the rear. When the trigger is pulled the bolt goes forward, feeding a round from the magazine into the chamber and… … Wikipedia
Dead bolt — For other uses, see deadbolt (disambiguation). Door with two locks, one in the doorknob and a separate deadbolt. A dead bolt or dead lock (also deadbolt), is a locking mechanism distinct from a spring bolt lock because a deadbolt cannot be moved… … Wikipedia
