PROBLEM TO BE SOLVED: To effectively use office space by minimizing installation position in the office space and to improve convenience of a duty person.SOLUTION: In a cart device 10, a first storing part 60 is formed which is formed so as to be surrounded by a first, second and third support arms 53, 54, 55 of a tabletop support 50, which opens to the front, left and right continuously in the lower part of the tabletop 40, and which is capable of storing top boards of fixtures such as a desk and a counter. In addition, a second storing part 62 is formed which is formed so as to be surrounded by the first support arm 53, a support base 30, and base arms 23A, 23A, which opens to the rear, left and right continuously, and which is capable of housing the legs of a user.【課題】執務空間内における設置位置を最小限として執務空間内を有効に活用することができると共に、執務者の使い勝手を良好とする。【解決手段】カート装置10は、天板支持部50の第一支持アーム53、第二支持アーム54、第三支持アーム55に囲まれるようにして、天板40の下方に、前方、左方及び右方に連続して開口し、デスクやカウンタ等の什器天板を収容可能な第一収容部60を形成した。第一支持アーム53、支持基体30、ベースアーム23A、23Aに囲まれるようにして、後方、左方及び右方に連続して開口し、使用者の下肢を収容可能な第二収容部62を形成した。【選択図】図1