A bent portion of an axle, or shaft, or an arm keyed at right angles to the end of a shaft, by which motion is imparted to or received from it; also used to change circular into reciprocating motion, or reciprocating into circular motion. See Bell crank.
For many motorists, any cyclist. Otherwise, the bar that connects the pedal to the chainwheel. Like so much of life, it's all about leverage.
The L-shaped metal arm to which the pedals are attached.
n: an arm keyed at right angles to a shaft and used for changing radius of rotation or changing reciprocating motion to circular motion or circular motion to reciprocating motion. On a beam pumping unit, the crank is connected by the pitman to the walking beam, thereby changing circular motion to reciprocating motion.
a handle on a machine usually bent at a 90 degree angle, that is rotated to start the system in motion Be careful how you turn the crank. Once the engine starts, it can jump out of your hand. crank (v)
a hand tool consisting of a rotating shaft with parallel handle
a lever attached to a rotating shaft
a music accessory that produces motions such as swinging, pumping, sawing, rocking, and up and down motions
On a bicycle, the rotating arms on each side of the bike. The pedals thread into these.
The arm that connects between your bottom bracket and your pedal.
The twisting rotary motion of a stretch.
device for converting rotary to reciprocating motion or vice versa. It consists of an arm, one end of which is fiexed to a shaft and the other free to rotate about the axis of the shaft.
An arm, bolted to the crankshaft, which drives the chainwheels on a bicycle.
The two-armed mechanism that connects the pedals to the front chainring.
Mechanism, which converts between rotary and reciprocating motion with use of a lever, which has one end, attached to the outside diameter of a wheel, which goes around with the wheel when it is turned. A crank connected to a piston within a cylinder is attached to the other end of the lever. The motion of the crank end of the lever is changed into a reciprocating or sliding motion as the lever moves along with the wheel.