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- The Ballbarrow was a variation of the wheelbarrow design, by James Dyson and was released in 1974 in the UK. It featured a moulded plastic hopper on a steel frame and a spherical plastic wheel, allowing increased manoeuvrability. Dyson said that the surface area of the ball, larger than that of a conventional design, made the wheelbarrow easier to use in soft soil and more laterally stable with heavy loads on uneven ground. The original design featured a galvanised steel or copper hopper, forming integral rear legs. Conventional barrows use a bend in the frame to form these legs. Later the design was changed to a plastic hopper, with an optional clip on height-extension piece. The Ballbarrow won the in 1977. Dyson continued with the ball-wheel concept in his design for the Trolleyball boat launcher in 1978, and the DC15 vacuum cleaner in 2005. Dyson claimed his failure to maintain control of his invention by assigning the patent for the Ballbarrow to the company, and subsequently losing control over the company in the early 1970s, marked his biggest mistake in business. (en)
- Le Ballbarrow (littéralement : « brouette-ballon ») est une brouette tout-terrain créée par James Dyson en 1974. Cette brouette, fabriquée en plastique robuste, possède une roue sphérique (comme un ballon) au lieu d'une roue traditionnelle, ce qui lui évite de s'enfoncer dans la boue ou dans la terre meuble. Son inventeur gagne ainsi le prix Building Design Innovation en 1977. En trois ans, elle devient leader du marché. [réf. nécessaire] La ballbarrow n'est plus fabriquée actuellement.
* Portail des technologies (fr)
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- Le Ballbarrow (littéralement : « brouette-ballon ») est une brouette tout-terrain créée par James Dyson en 1974. Cette brouette, fabriquée en plastique robuste, possède une roue sphérique (comme un ballon) au lieu d'une roue traditionnelle, ce qui lui évite de s'enfoncer dans la boue ou dans la terre meuble. Son inventeur gagne ainsi le prix Building Design Innovation en 1977. En trois ans, elle devient leader du marché. [réf. nécessaire] La ballbarrow n'est plus fabriquée actuellement.
* Portail des technologies (fr)
- The Ballbarrow was a variation of the wheelbarrow design, by James Dyson and was released in 1974 in the UK. It featured a moulded plastic hopper on a steel frame and a spherical plastic wheel, allowing increased manoeuvrability. Dyson said that the surface area of the ball, larger than that of a conventional design, made the wheelbarrow easier to use in soft soil and more laterally stable with heavy loads on uneven ground. The Ballbarrow won the in 1977. Dyson continued with the ball-wheel concept in his design for the Trolleyball boat launcher in 1978, and the DC15 vacuum cleaner in 2005. (en)
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- Ballbarrow (en)
- Ballbarrow (fr)
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