crank

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Related to cranked: cracked, cranked up

crank,

mechanical linkage consisting of a bar attached to a pivot at one of its ends in such a way that it is capable of rotating through a complete circle about the pivot. One of the principal uses of a crank is to turn reciprocating, or back and forth, motion into rotary motion or vice versa. A bell crank is one designed to change the direction of a linear motion.

Crank

 

the simplest rotating part of a crank mechanism. It has a cylindrical projection, the pin, whose axis is displaced relative to the axis of rotation of the crank by a distance r, which may be fixed or variable (see Figure 1).

Figure 1. Types of crank: (a) with constant radius r of pin displacement, (b) with r regulated by a slide, (c) with r regulated by a rotating disk

crank

[kraŋk]
(mechanical engineering)
A link in a mechanical linkage or mechanism that can turn about a center of rotation.

Crank

In a mechanical linkage or mechanism, a link that can turn about a center of rotation. The crank's center of rotation is in the pivot, usually the axis of a crankshaft, that connects the crank to an adjacent link. A crank is arranged for complete rotation (360°) about its center; however, it may only oscillate or have intermittent motion. A bell crank is frequently used to change direction of motion in a linkage (see illustration). See Linkage (mechanism)

Cranks ( a ) for changing radius of rotation, and ( b ) for changing direction of translationenlarge picture
Cranks (a) for changing radius of rotation, and (b) for changing direction of translation

crank

crank
In a mechanical linkage or mechanism, a link that can turn about a center of rotation. The crank's center of rotation is in the pivot, usually the axis of the crankshaft, that connects the crank to the adjacent link. A crank is arranged for complete rotation (i.e., through 360°) about its center; however, it may only oscillate or have intermittent motion. A bell crank is frequently used to change the direction of the motion in a linkage.

crank

1
1. a device for communicating motion or for converting reciprocating motion into rotary motion or vice versa. It consists of an arm projecting from a shaft, often with a second member attached to it parallel to the shaft
2. a handle incorporating a crank, used to start an engine or motor

crank

2, cranky
(of a sailing vessel) easily keeled over by the wind; tender

crank

(Automotive slang) Verb used to describe the performance of a machine, especially sustained performance. "This box cranks (or, cranks at) about 6 megaflops, with a burst mode of twice that on vectorised operations."
References in periodicals archive ?
From across the Herdenskingsplein, the bridge protrudes into the cafe volume at a slightly cranked angle.
Residents have cranked up the air conditioning, creating the largest demand this year on the city's energy supply, according to the Department of Water and Power.
At Home Depot, the nostalgia factor has cranked up sales by as much as 25 percent this spring, reports Ken Vargo, ceiling fan expert at the Woodland Hills store, where plantation and Mission themes are best-sellers.