Bag with caster wheels
US-7252296-B2Abstract
A bag with caster wheels includes a base frame 1 having caster wheels 6 and a main bag 3 . The base frame 1 includes a stand 2 mounting the main bag 3 thereon and telescopic rods 5 joined on one side of this stand 2 or between both sides. The stand 2 includes supporting cylinders 7 into which the telescopic rods 5 are inserted to be joined. The supporting cylinders 7 are arranged between the caster wheels 6 provided at four corners of the stand 2 , and are projected in a lower surface of the stand 2 , so that a projection height (d) thereof is made lower than a height (h) of the caster wheels 6 . In lower surface projected parts 7 A of the supporting cylinders 7 , reinforcement walls 8 joined to the lower surface of the stand 2 are provided. The reinforcement walls 8 are arranged between the caster wheels 6 and in a posture oriented in a lateral direction of the stand 2 . In this bag, the supporting cylinders 7 are joined to the stand 2 while being reinforced by the reinforcement walls 8 , and lower ends of the telescopic rods 5 are joined to these supporting cylinders 7.
Patent figures（8）
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