|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||280/047.31 ; 280/047.32 ; 280/047.33 ; 298/02|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 18 인용 특허 : 5|
A wheelbarrow contains a tray, a frame, two legs, two handles, two axle brackets, a wheel axle, and a wheel. The wheelbarrow also contains two spaced apart roll bars extending from the frame in a forward and downward direction to a point forward of the forward edge of the tray, then curving upward and extending vertically for a distance of at least about six inches. The upward curve of the roll bar is located below the wheel axle. The upward curve of the roll bar contacts the ground and forms a fulcrum when the wheelbarrow is raised at an angle of not gr...
[ We claim:] [1.] A wheelbarrow comprising:(a) a tray having a concave upper surface for carrying a load, a lower surface, and a forward edge;(b) a frame attached to the lower surface of the tray;(c) two legs depending from the frame for supporting the wheelbarrow in a horizontal resting position;(d) two handles extending from the frame in a rearward and upward direction for handling the wheelbarrow;(e) two spaced apart roll bars extending from the frame in a forward and downward direction to a point forward of the forward edge of the tray, then curving ...