|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||280/047.26 ; 280/047.315 ; 280/653|
|발명자 / 주소|
|인용정보||피인용 횟수 : 27 인용 특허 : 7|
A wheelbarrow specially adapted for selective manual or machine deployment. The preferred embodiment comprises a wheelbarrow having a generally conventional tub hingedly secured to a frame with a latching means opposite. The tubular handles and tongue are slideably adjustable for mode with the handles also rotatively adjustable for ergonomics. The two wheel axle placement towards the center of gravity allows for lighter handle and tongue loads, enabling wheelbarrow conversion to trailer and vice versa easily even in the fully loaded condition. Two embodi...
[ What is claimed is:] [1.] A wheelbarrow comprising:a frame having a front portion to which is mounted a first hinge portion, a rearward portion, and a lower portion to which is mounted a pair of wheels;said frame having a towing tongue which is selectively longitudinally extensible beyond a rearward extent of said wheelbarrow,said selective extension of said towing tongue being provided through apertures located in said tongue and removable pins locatable within said apertures,a tub having side portions to which are mounted a pair of handles,each said ...