|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B62B-001/24 B62B-003/08 B62B-001/18 B62B-005/06|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 1 인용 특허 : 29|
Embodiments of a utility cart according to the solution feature a three front-wheel arrangement on a common axle and a pair of swiveling rear wheels attached to a frame. Certain embodiments feature a sub-frame that is releasably locked to a main frame portion such that, when the locking mechanism is removed, the sub-frame may be lifted to pivot around the front axle and tip a tub aspect carrying a payload. Certain embodiments may also comprise a handle aspect that is slidably engaged with the frame of the cart such that it can be extended to various posi...
1. A utility cart for transporting payloads, the utility cart comprising: a front axle having three front wheels including first and second outer wheels and a middle wheel between the first and second outer wheels;a support frame comprised of a pivotable sub-portion and a non-pivotable sub-portion, wherein: the pivotable sub-portion includes first and second front ends, first and second rear ends, and a middle section that extends beneath and supports a tub aspect mechanically fixed to the pivotable sub-portion;the two front ends of the pivotable sub-por...