|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||280/047.31; 280/047.32; 298/003|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 9 인용 특허 : 12|
The use of a pivotal coupling on a cart of the wheelbarrow type allows for a downwardly applied pressure to the user ends of the handles to tip the bucket to at least begin the dumping action of the cart. Following the initial downward pressure with the handles still elevationally displaced downward an upward lift applied to the user ends of the handles completes the dumping action of the cart. Use of multiple pivotal axises on the cart provide for an extremely efficient operation. Various enhancements are explained including locking of the orientation o...
I claim: 1. A cart for dumping utilizing a downward pressure applied by a user, the cart comprising: a) a handle assembly having a user manipulation end and a distal end; b) a wheel assembly having a ground support wheel and a bucket, said ground support wheel having a rotational axis, said bucket fixedly positioned on said wheel assembly relative to said rotational axis of said ground support wheel; c) a ground contacting assembly contacting the ground while said cart is in a resting orientation and to provide for leveraging when said downward pressure...