|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||280/079.11; 280/087.01; 016/024|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 9 인용 특허 : 5|
Devices and methods are disclosed which relate to the transportation of loads. A strong and flexible platform has a plurality of ball casters attached to its underside to carry a load by dragging the platform along the ground. The plurality of ball casters on the bottom allow it roll while the flexible platform allows it to match the contour of the ground surface. The platform is outfitted with a removable rigid frame, handles, and grommets. A wagon attachment can be attached on top of the platform to transport loose loads such as leaves and other yard w...
1. A load transporting apparatus comprising: a platform made from a strong and collapsible material;a receiving member coupled to the platform;a first side of the platform onto which a load is receivable; anda plurality of ball casters attached to a second side of the platform, each ball caster including a housing, the housing having a plurality of cutouts, a center ball protruding from a first cutout of the housing, and at least three surrounding balls, each surrounding ball protruding from a corresponding cutout from the plurality of cutouts, each corr...