| 摘要 |
PROBLEM TO BE SOLVED: To arrange a caster nearer to a corner part of a wheeled cart than the prior art wheeled cart, prevent the wheeled cart from being inclined even when a cargo is mounted near the corner part of the wheeled cart or near a frame wall of the wheeled cart, and additionally improve running stability of the wheeled cart. SOLUTION: An engagement protrusion 11a of a caster lock arm 11 formed at a caster fixing part E of a cart body D' is positioned at the central part of the cart body, its root part 11c is constituted to be positioned at a peripheral wall 2 of the cart body and at the same time a seat plate c1 of a caster C is engaged with the caster lock arm, thereafter a lock member H arranged at the rear surface of the cart body is moved to the peripheral wall of the cart body, thereby a fitted protrusion 4a of the lock arm h4 for the lock member formed at the lock member is fitted to a fitting hole 11b punched at the engagement protrusion of the lock arm for the caster. COPYRIGHT: (C)2009,JPO&INPIT
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