|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||280/653; 280/652; 280/654; 280/764.1; 280/047.33|
|§371/§102 date||20020716 (20020716)|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 4 인용 특허 : 16|
An improved wheelbarrow includes a pair of legs that are each configured as four-bar linkages and are collapsible. Each of the legs includes an advantageously simple lock for releasably locking the leg in extended and retracted positions. The wheelbarrow includes a frame assembly, a wheel, a tray, and a pair of handles. The frame assembly can be assembled by the manufacturer, and the wheelbarrow can then be provided as a kit in accordance with the present invention that can be assembled by the retailer or the consumer by simply attaching the wheel, the t...
1. A wheelbarrow that can be disposed on a surface, the wheelbarrow comprising:a frame; at least a first wheel mounted on the frame; and a support; the support including at least a first leg mounted on the frame; the at least first leg being movable between an extended position and a retracted position; the at least first leg including a first member, a second member, and a third member; the first and third members each being pivotably mounted on the frame; the second member being pivotably connected with each of the first and third members; a lock relea...