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Moline Universal implement attachment points, 1920. [7] Allis-Chalmers 6–12 tractor, 1920. [8] Beeman tractor, 1920. [9] Two-wheel tractors existed in the U.S. at least as early as 1913, when the Detroit Tractor Company advertised a tractor whose operator, riding on the implement, controlled the tractor via reins, just as he would a horse ...
Triple Rotacaster commercial industrial omni wheel A simple omni wheel. The free rotating rollers (dark gray) allow the wheel to slide laterally A molded plastic omni wheel Omni wheels or poly wheels , similar to Mecanum wheels , are wheels with small discs (called rollers) around the circumference which are perpendicular to the turning direction.
Tram, or trolley or streetcar, a rail vehicle that runs on tramway tracks; Trolleybus, or trolley, an electric bus drawing power from overhead wires using trolley poles Trolleytruck, a trolleybus-like vehicle used for carrying cargo; Tourist trolley, a rubber-tired bus designed to resemble an old-style streetcar or tram
A Mecanum wheel is an omnidirectional wheel design for a land-based vehicle to move in any direction. It is sometimes called the Swedish wheel or Ilon wheel after its inventor, Bengt Erland Ilon (1923–2008), [ 1 ] who conceived of the concept while working as an engineer with the Swedish company Mecanum AB, and patented it in the United ...
Typical trim tabs on aileron, rudder and elevator. Trim tabs are small surfaces connected to the trailing edge of a larger control surface on a boat or aircraft, used to control the trim of the controls, i.e. to counteract hydro- or aerodynamic forces and stabilise the boat or aircraft in a particular desired attitude without the need for the operator to constantly apply a control force.
The Wickham trolley was a railway engineering personnel carrier built by D. Wickham & Co of Ware, Hertfordshire. This long established firm introduced their rail trolley in 1922 as a lightweight track inspection and maintenance vehicle. This was a success and production of rail trolleys and railcars for inspection and maintenance continued ...
The lawn mower was invented in 1830 by Edwin Beard Budding of Stroud, Gloucestershire, England. [1] Budding's mower was designed primarily to cut the grass on sports grounds and extensive gardens, as a superior alternative to the scythe, and was granted a British patent on August 31, 1830.
A shopping cart held by a woman, containing bags and food. A shopping cart (American English), trolley (British English, Australian English), or buggy (Southern American English, Appalachian English), also known by a variety of other names, is a wheeled cart supplied by a shop or store, especially supermarkets, for use by customers inside the premises for transport of merchandise as they move ...