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A gas spring, also known as a gas strut or gas damper, is a type of spring that, unlike a typical mechanical spring that relies on elastic deformation...

angles are critical and determine the unlock timing and gas pressure drop management as the locking piece acts in unison with the bolt head carrier. The...

module Door seal Door water-shield Hinge Door latch Door lock and power door locks Central-locking Fuel tank (or fuel filler) door Glass Sunroof Sunroof...

force is removed will remain motionless, "locked" by friction at whatever position they were left. Self-locking occurs mainly in those machines with large...

gun recoil. This system requires no outlet for gas or barrel recoil, but operates by means of a spring freely interposed between bolt head and bolt. During...

Constant-force spring A tightly rolled ribbon that exerts a nearly constant force as it is unrolled Gas spring A volume of compressed gas. Ideal spring An idealised...

Natural gas (also called fossil gas, methane gas or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane...

A gas laser is a laser in which an electric current is discharged through a gas to produce coherent light. The gas laser was the first continuous-light...

gun recoil. This system requires no outlet for gas or barrel recoil, but operates by means of a spring freely interposed between bolt head and bolt. During...

Lewis light machine gun with a gas piston-actuated rotating bolt locking mechanism. This system used pressurized exhaust gases from the bore and channeled...

(cw-CEAS), either with optical locking, referred to as (OF-CEAS), as has been demonstrated Romanini et al. or by electronic locking., as for example is done...

modeled on the locking solution employed in the SIG SG 540 rifle. The M90 was also equipped with a multifunction muzzle device and manual gas valve, enabling...

heat to the gas with a locked piston and adding heat with a piston free to move, so that pressure remains constant. In the second case, the gas will both...

pressure on a gas. Used when the pressure difference is small, negative or positive and near to atmospheric pressure. RV, SV and SRV are spring-operated (even...

medium that is a solid, rather than a liquid as in dye lasers or a gas as in gas lasers. Semiconductor-based lasers are also in the solid state, but...

weapon features a self-regulating gas system and a rotary bolt breech locking mechanism (equipped with two locking lugs), which is rotated by a helical...

sometimes surface decompression. Closed bell procedures also include locking in and locking out at depth, and transfer under pressure between bell and the saturation...

typically have a locking mechanism. Different locking mechanisms are favored by various individuals for reasons such as perceived strength (lock safety), legality...

reinforces the locking arms and is held to the receiver with six rivets (see Variants for more info). The AKM uses a modified recoil/return spring mechanism...

to gas blowback airsoft pistols, and uses refrigerant gas (such as R-134a or HFC-152a) or propane to charge a gas canister built within a spring-follower...