safety lock pin

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• Lock (device) — A lock is a mechanical fastening device which may be used on a door, vehicle, or container, restricting access to the area or property enclosed. Commonly, it can be released by using a key or combination.History of locksSecuring one s property… …   Wikipedia

• lock — I n 1. bolt, latch, hook, holdfast, padlock; hasp, pin, peg, bar; fastener, clasp, securer, clincher. 2. catch, ratchet, pawl, brake; safety, safety catch, safety lock, cutoff; [in a firearm) gunlock, discharger, exploder. 3. sluice, sluice gate …   A Note on the Style of the synonym finder

• safety — n. (pl. ies) 1 the condition of being safe; freedom from danger or risks. 2 (attrib.) a designating any of various devices for preventing injury from machinery (safety bar; safety lock). b designating items of protective clothing (safety helmet) …   Useful english dictionary

• Safety wire — Safety wiring of two pairs of drilled head bolts Safety wire or lockwire is common in the aircraft and racing industries as an extra precaution to keep vital fasteners from unintentionally loosening and parts from falling off due to vibration or… …   Wikipedia

• pin — /pin/, n., v., pinned, pinning. n. 1. a small, slender, often pointed piece of wood, metal, etc., used to fasten, support, or attach things. 2. a short, slender piece of wire with a point at one end and a head at the other, for fastening things… …   Universalium

• safety — c.1300, from O.Fr. sauvete, earlier salvetet (11c.), from M.L. salvitatem (nom. salvitas) safety, from L. salvus (see SAFE (Cf. safe)). Meaning trigger lock on a gun is attested from 1881. As a N.Amer. football position, first recorded 1881.… …   Etymology dictionary

• Safety (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… …   Wikipedia

• lock — lock1 lockless, adj. /lok/, n. 1. a device for securing a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a key, dial, etc. 2. a contrivance… …   Universalium

• pin — I. noun Etymology: Middle English, from Old English pinn (akin to Old High German pfinn peg), perhaps from Latin pinna quill, feather more at pen Date: before 12th century 1. a. a piece of solid material (as wood or metal) used especially for… …   New Collegiate Dictionary

• pin — I. /pɪn / (say pin) noun 1. a small, slender, sometimes tapered or pointed piece of wood, metal, etc., used to fasten, or hold things together, to hang things upon, to stop up holes, or to convey or check motion; a bolt; peg. 2. a small, thin… …  

• lock — I (New American Roget s College Thesaurus) v. t. fasten, secure, make fast. See closure, junction. II (Roget s IV) n. 1. [A device for locking] Syn. hook, catch, latch, bolt, bar, staple, hasp, clinch, bond, fastening, padlock, safety catch,… …   English dictionary for students