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2. Tow hitch - Wikipedia

   en.wikipedia.org/wiki/Tow_hitch

   A tow ball mounted on the rear of a vehicle. A screw-on tow hook mounted at the front of a vehicle. A tow hitch (or tow bar or trailer hitch in North America [ 1 ]) is a device attached to the chassis of a vehicle for towing, or a towbar to an aircraft nose gear. It can take the form of a tow ball to allow swiveling and articulation of a ...

3. Drawbar (haulage) - Wikipedia

   en.wikipedia.org/wiki/Drawbar_(haulage)

   Drawbar eye. A drawbar eye, also called tow eye, is a mechanical part to connect an independent trailer / dolly via a drawbar coupling to a tractor. [2] the eye is connected to the front end of a drawbar with bolt, flange-mounting or welding. [3] Most are made from high tension material to bear heavy loads while being pulled by the tractor.

4. Fifth-wheel coupling - Wikipedia

   en.wikipedia.org/wiki/Fifth-wheel_coupling

   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 ...

5. Three-point hitch - Wikipedia

   en.wikipedia.org/wiki/Three-point_hitch

   The three-point hitch (British English: three-point linkage) is a widely used type of hitch for attaching ploughs and other implements to an agricultural or industrial tractor. [1][2] The three points resemble either a triangle, or the letter A. In engineering terms, three-point attachment is the simplest and the only statically determinate way ...

6. National law enforcement group endorses Kamala Harris for ...

   www.aol.com/national-law-enforcement-group...

   Fernando Cervantes Jr., USA TODAY. September 23, 2024 at 6:41 PM. A group of national law enforcement leaders have endorsed Vice President Kamala Harris weeks after the National Fraternal Order of ...

7. Timeline of United States inventions (1890–1945) - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_United_States...

   The coupling consists of a coupling pin (or kingpin) on the front of the semi-trailer, and a horseshoe-shaped coupling device called a fifth wheel on the rear of the towing vehicle. In 1911, Charles Martin invented the fifth wheel coupler consisting of a round plate with a hole in it, attached to a frame mounted on his tractor. [133] 1911 ...