| 摘要 |
<p>A propulsion unit for hand carts, particularly golf carts (10), of the type incorporating at least two spaced apart wheels (16), which are rotatably supported at a wheel undercarriage (11) and between which wheels is provided said propulsion unit (20) incorporating at least one driving wheel (21), which can be driven by a power unit (28). The driving wheel (21) is via a link (22) pivotably suspended in a support (23) in the wheel undercarriage (11), and it is positioned behind the cart wheels (16) as seen in the direction of travel. The axial length of the link (22) and the radial extension of the driving wheel (21) as measured from said support (23) is bigger than the distance from the support to the contact points of the cart wheels against the soil, thus that a torque is obtained when the driving wheel is driven, which torque gives the cart a lifting force.</p> |
