lock-bolt pin
51cylinder lock — noun a lock in which a cylinder rotates to move a bolt; tumblers are pins; inserting the key lifts and aligns the pins to free the cylinder to rotate • Hypernyms: ↑lock • Part Meronyms: ↑pin, ↑pin tumbler …
52duplex lock — noun : a cylinder lock with two pin tumbler cylinders acting independently on the same bolt, one for an ordinary key and the other for a master key * * * a lock capable of being opened either by a master key or a change key, each operating its… …
53AR-15 — The AR 15 comes in many sizes and has many options, depending on the manufacturer. The part shown bottom center is the lower receiver, which under US law is the component legally considered the firearm . Type …
54Door — For other uses, see Door (disambiguation). A door is a movable structure used to open and close off an entrance, typically consisting of a panel that swings on hinges or that slides or rotates inside of a space. When open, they admit ventilation… …
55Ruger Police Carbine — PC9 redirects here. For the PC 9 aircraft, see Pilatus PC 9. Ruger Pistol Carbine Ruger PC4 Type Carbine …
56Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
57Tumbler — may refer to:* A part of a lock whose position must be changed by a key in order to release the bolt (see also: pin tumbler lock, tubular pin tumbler lock, and disc tumbler lock) * Flat bottomed glassware and drinkware without a handle, foot, or… …
58catch — v 1. grasp, snatch, grab, claw, pluck; grip, clutch, clench, hold, Basketball. palm; receive, acquire, come into possession of. 2. seize, capture, take captive, apprehend, stop, arrest, take into custody, Inf. nab, Sl. cop; entrap, trap, ensnare …
59fife rail — Pin Pin, n. [OE. pinne, AS. pinn a pin, peg; cf. D. pin, G. pinne, Icel. pinni, W. pin, Gael. & Ir. pinne; all fr. L. pinna a pinnacle, pin, feather, perhaps orig. a different word from pinna feather. Cf. {Fin} of a fish, {Pen} a feather.] 1. A… …
60Safety (firearms) — This article is about the mechanical safety devices built into most firearms. For the main article about firearm safety education, see Gun safety. Close up shot of a safety of an M16A2 rifle. In firearms, a safety or safety catch is a mechanism… …
