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Kingpin (automotive part) The steering kingpin is held in place by the forked ends of a beam axle on a Ford Model T. The kingpin (also king-pin, king pin and k pin) [1][2] is the main pivot in the steering mechanism of a car or other vehicle. The term is also used to refer to part of a fifth wheel coupling apparatus for a semi and its trailer ...
A list of metaphors in the English language organised alphabetically by type. A metaphor is a literary figure of speech that uses an image, story or tangible thing to represent a less tangible thing or some intangible quality or idea; e.g., "Her eyes were glistening jewels".
The fifth-wheel coupling provides the link between a semi-trailer and the towing truck, tractor unit, leading trailer or dolly. The coupling consists of a kingpin, a 2-or- -inch-diameter (50.8 or 88.9 mm) vertical steel pin protruding from the bottom of the front of the semi-trailer, and a horseshoe-shaped coupling device called a fifth wheel ...
To reinvent the wheel is to attempt to duplicate—most likely with inferior results—a basic method that has already previously been created or optimized by others. The inspiration for this idiomatic metaphor is that the wheel is an ancient archetype of human ingenuity (one so profound that it continues to underlie much of modern technology).
The squeaky wheel gets the grease. The squeaky wheel gets the grease is an American aphorism or metaphor attesting that matters which draw attention to themselves are more likely to be addressed than those which do not. [1] The term makes no necessary correlation between the volume of a complaint and its stridency with its merit.
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In medieval and ancient philosophy, the Wheel of Fortune or Rota Fortunae is a symbol of the capricious nature of Fate. The wheel belongs to the goddess Fortuna (Greek equivalent: Tyche) who spins it at random, changing the positions of those on the wheel: some suffer great misfortune, others gain windfalls. The metaphor was already a cliché ...
A four-wheel drive, also called 4×4 ("four by four") or 4WD, is a two-axled vehicle drivetrain capable of providing torque to all of its wheels simultaneously. It may be full-time or on-demand, and is typically linked via a transfer case providing an additional output drive shaft and, in many instances, additional gear ranges.