|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B62B-001/00 B62B-001/18 B62B-005/00|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 41|
Embodiments of the invention are designed to be improvements over existing wheelbarrows. Certain embodiments comprise a frame, one or more weight-bearing wheels, and a pan. In certain embodiments, a wheelbarrow comprises a bight or a bumper having wheels. The wheels on the bight or bumper are located to the sides of a weight-bearing wheel. In certain embodiments, wheels located on each side of a bight or bumper portion allow a user to maneuver a wheelbarrow up or down a curb, or navigate stairs without causing damage to surfaces. Certain embodiments of t...
1. A wheelbarrow comprising: a frame, said frame further comprising a first wheel, a first bar, and a second bar, wherein an axle of said first wheel is disposed between said first and second bars;a pan attached atop said frame;a bumper attached on the forward end of said frame;said bumper comprising a first attachment member, a second attachment member, a cross member, a second wheel, and a third wheel;said first attachment member oriented parallel and attached to said first bar;said second wheel attached to said first attachment member;said second atta...