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Two-wheeled dolly for high-load balancing and efficient use on stairs
Two-wheeled dolly for high-load balancing and efficient use on stairs
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机译:两轮小车可实现高负载平衡并在楼梯上高效使用
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摘要
A two-wheeled dolly for better load balancing of high-profile loads and for use for more easily ramping up or down stairs so as to alleviate user strain and injury. The two-wheeled dolly comprises an L-shaped frame for supporting the load, an extendable handle which may be reversed to allow the user to more easily descend stairs with a load, and a pair of bicycle-type wheels each having a diameter in the range of about 16 inches to about 30 inches, a diameter of 23 inches being highly preferred for such stair use. The axle is more often under the load using the larger wheels, with better load balancing. Friction-type hand brakes may also be provided to more easily control and maneuver the two-wheeled dolly.
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