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Weight: 4.12g. A lock ring, also spelled lock-ring, is a late Bronze Age penannular (incomplete ring) hair ornament. Typically in gold, the intricate, decorative jewellery is recognized for its highly skilled workmanship. The name is derived from its suggested use as a hair fastener.
A lock ring is a threaded washer used to prevent components from becoming loose during rotation. They are found on an adjustable bottom bracket and a track hub of a bicycle . Lokring is another form of fastener used in the automotive and air condition industries: these fittings are often confused with lockrings.
Beveled retaining rings. Beveled retaining rings feature a 15° beveled or angled edge. This angle allows the ring to wedge itself between the groove and the retained part until it can go no farther, effectively “locking” everything in place. Think of placing a cork in a bottle.
Lock and key. A typical modern padlock and its keys. A lock is a mechanical or electronic fastening device that is released by a physical object (such as a key, keycard, fingerprint, RFID card, security token or coin), by supplying secret information (such as a number or letter permutation or password ), by a combination thereof, or it may only ...
A beadlock or bead lock is a mechanical device that secures the bead of a tire to the wheel of a vehicle. Tires and wheels are designed so that when the tire is inflated, the tire pressure pushes the bead of the tire against the inside of the wheel rim so that the tire stays on the wheel and the two rotate together.
Original Opinels and the smallest sizes today are still made of only 4 parts, lacking the simple Virobloc locking mechanism. The locking ring can easily be removed with simple tools for use in countries where locking knives are prohibited; some sources [who?] claim that opening the blade with the ring in the locked position causes the ring to ...
A ring laser gyroscope (RLG) consists of a ring laser having two independent counter-propagating resonant modes over the same path; the difference in phase is used to detect rotation. It operates on the principle of the Sagnac effect which shifts the nulls of the internal standing wave pattern in response to angular rotation.
The original generation of FD lenses featured a silver colored locking ring at the base. Only the locking ring turns to lock the lens to the camera body; the lens body remains stationary. The later New FD lenses have a black mount which includes a lens release button. Note that some lenses listed below were marketed in only one generation.
Jewellery worn in labia piercings may have a fetish purpose. Rings or other specialised jewellery may be worn to block access to the vagina, as a form of short-term or long-term chastity piercing. Other chastity devices might also be worn that make use of the piercing, sometimes incorporating locks .
Crankset. The crankset (in the US) or chainset (in the UK) is the component of a bicycle drivetrain that converts the reciprocating motion of the rider's legs into rotational motion used to drive the chain or belt, which in turn drives the rear wheel.