breech block


breech block
   The locking and cartridge head supporting mechanism of a firearm that does not operate in line with the axis of the bore.

Forensic science glossary. . 2012.

Look at other dictionaries:

  • breech|block — «BREECH BLOK», noun. a movable metal block which closes the breech end of the bore or barrel in certain firearms …   Useful english dictionary

  • breech-block — pabūklo spyna statusas T sritis Gynyba apibrėžtis Pro drūtgalį užtaisomo pabūklo dalis šaudmeniui į lizdą stumti, vamzdžio drūtgaliui atsklęsti ir užsklęsti, iššauti ir tūtai išmesti. Pabūklo spyna pagal veikimo principą būna automatinė, pusiau… …   Artilerijos terminų žodynas

  • Welin breech block — The Welin breech block is a stepped, interrupted thread breech, invented by Axel Welin in 1889 or 1890. Shortly after, Vickers acquired the British patents. Though the US Navy was offered the design a year or two later, they declined and the… …   Wikipedia

  • sliding-wedge breech-block — pleištinė pabūklo spyna statusas T sritis Gynyba apibrėžtis Šovininio ir tūtinio užtaisymo spyna, naudojama mažo ir vidutinio kalibro patrankose su vientisiniais ir dvinariais šaudmenimis. Būna vertikaliosios (mažo kalibro pabūkluose) ir… …   Artilerijos terminų žodynas

  • screw breech-block — stūmoklinė pabūklo spyna statusas T sritis Gynyba apibrėžtis Tūtinio ir betūčio užtaisymo spyna, naudojama vidutinio ir didelio kalibro pabūkluose, šaudančiuose dvinariais ir trinariais šaudmenimis. Stūmoklinė pabūklo spyna susideda iš… …   Artilerijos terminų žodynas

  • breech — n. & v. n. 1 a the part of a cannon behind the bore. b the back part of a rifle or gun barrel. 2 archaic the buttocks. v.tr. archaic put (a boy) into breeches after being in petticoats since birth. Phrases and idioms: breech birth (or delivery)… …   Useful english dictionary

  • breech face —    That part of the breech block or breech bolt which is against the head of the cartridge case or shotshell during firing …   Forensic science glossary

  • Breech — may refer to: *Breeches, certain types of trousers; this term is older than the derived meaning buttock of the word breech *In a breech loading weapon, the breech refers to the rear portion of the barrel which opens for ammunition loading, as… …   Wikipedia

  • breech — [brēch; ] for vt. 1 [ brich] n. [ME brech < OE brec, pl. of broc < IE base * bhreg : see BREAK] 1. the buttocks; rump 2. the lower or back part of a thing; specif., a) the lower end of a pulley block b) the back end of the barrel of a gun:… …   English World dictionary

  • Breech-loading weapon — naval breech loader. Notice that there is a series of interlocking doors that never permit an open path from the gunhouse, down which a flash might travel, to the magazine.A breech loading weapon is a firearm (a rifle, a gun etc.) in which the… …   Wikipedia


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