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2. 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- 3 + 1 ⁄ 2 -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 ...

3. Dolly (trailer) - Wikipedia

   en.wikipedia.org/wiki/Dolly_(trailer)

   It is designed to couple to the concerned automobile's powered wheel, i.e. the front wheel of a Front-wheel drive automobile, or the rear wheel of a rear-wheel drive automobile, by locking the powered wheels onto the tow dolly's tray. The tow dolly is tow hitch connected to a tractor or truck. Tow dollies are legal in all 50 US states and Canada.

4. M901 ITV - Wikipedia

   en.wikipedia.org/wiki/M901_ITV

   The M901 ITV (improved TOW vehicle) is an American armored vehicle introduced into service in 1979, and designed to carry a dual M220 TOW launcher. It is based on the M113 armored personnel carrier chassis. The M901 ITV is no longer in service with the United States Army, its primary user.

5. Ground support equipment - Wikipedia

   en.wikipedia.org/wiki/Ground_support_equipment

   Dollies are used for the transportation of loose baggages, oversized bags, mail bags, loose cargo carton boxes, etc. between the aircraft and the terminal or sorting facility. Dollies for loose baggage are fitted with a brake system which blocks the wheels from moving when the connecting rod is not attached to a tug.

6. Ernest Holmes Sr. - Wikipedia

   en.wikipedia.org/wiki/Ernest_Holmes_Sr.

   Holmes quickly patented his invention, and thus the towing industry was born. [ 3 ] [ 4 ] He spent the next two years theorizing and forming a concrete idea, filing his patent on January 17, 1918. The basis for Ernest Holmes Sr.'s patents was the unique concept of having a "split-boom" wrecker that could anchor the truck on one side, and ...

7. Demco - Wikipedia

   en.wikipedia.org/wiki/Demco

   DEMCO remained a wholly owned subsidiary of Banta Company, Inc. until 1978 when DEMCO's management, including president and CEO Wall, acquired the company's stock in a leveraged buyout. [6] Wall assumed full ownership of the company in 1988, remaining the controlling owner until 2006, and becoming Chairman Emeritus and passing the business on ...