| 摘要 |
A service cart assembly including a cart having a lower base equipped with a plurality of rollers or wheels thereunder and a plurality of posts erected standing upright from the lower base with a top plate installed thereupon, and a stepladder built in the cart having a rear leg element fixed rigidly to the rear end portion of a top plate of said stepladder and having a front leg element connected pivotally to the front end portion thereof. The step ladder further includes a connecting arm assembly connected pivotally at the rear end thereof to the lower base of the cart and at the front end thereof to the rear leg element of the stepladder, and a latch mechanism for engagement with the top step of the stepladder mounted on the front pair of the posts standing upright from the cart. |
