rotating+pin

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• Pin tumbler lock — The pin tumbler lock is a lock mechanism that uses pins of varying lengths to prevent the lock from opening without the correct key. Pin tumblers are most commonly employed in cylinder locks, but may also be found in tubular or radial locks.… …   Wikipedia

• Pin on disc tribometer — A pin on disc tribometer is the standard equipment used to determine the sliding friction coefficient and wear resistance of surfaces. The tester consists of a stationary pin under an applied load in contact with a rotating disc.Either the pin or …   Wikipedia

• Contra-rotating propellers — For contra rotating marine propellors, helicopter rotors and turbine fan blades, see Contra rotating. Not to be confused with counter rotating propellers. Contra rotating propellers on a Rolls Royce–Griffon–powered P 51 unlimited racer Aircraft… …   Wikipedia

• Counter-rotating propellers — Not to be confused with Contra rotating propellers. Counter rotating propellers Opposite propeller blade section can be clearly seen on this Piper PA 44 Seminole Counter rotating propellers, found on twin and multi engine propeller driven… …   Wikipedia

• Medeco — is a lock manufacturer. Both the factory and administrative offices are located in Roanoke County, Virginia near Salem. Medeco is a subsidiary of the Swedish Assa Abloy Group. Contents 1 History 2 Design 3 Key control …   Wikipedia

• barrel — n. & v. n. 1 a cylindrical container usu. bulging out in the middle, traditionally made of wooden staves with metal hoops round them. 2 the contents of this. 3 a measure of capacity, usu. varying from 30 to 40 gallons. 4 a cylindrical tube… …   Useful english dictionary

• motion-picture technology — Introduction       the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …   Universalium

• Combination lock — A Wordlock letter combination lock. A combination lock is a type of lock in which a sequence of numbers or symbols is used to open the lock. The sequence may be entered using a single rotating dial which interacts with several discs or cams, by… …   Wikipedia

• Pinsetter — In bowling, a pinsetter, or pinspotter, was originally a person who would manually reset bowling pins in their correct position, clear fallen pins, and return bowling balls to the players. Probably due to the nature of the work (low paid, often… …   Wikipedia

• AR-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 …   Wikipedia

• Connecting rod — piston (top) and connecting rod from typical automotive engine (scale is in centimetres) In a reciprocating piston engine, the connecting rod or conrod connects the piston to the crank or crankshaft. Together with the crank, they form a simple… …   Wikipedia