|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||62/4577 ; 62/4571 ; 270/694 ; 301/51|
|발명자 / 주소|
|인용정보||피인용 횟수 : 50 인용 특허 : 0|
A portable cooler chest is disclosed having a collapsible storage bin for nonperishable items and wheels specially adapted for rolling on sand or soft soils. The collapsible storage bin includes foldable side panels and may be integrated with or separable from the lid of the chest. A cover is provided to cover the erected storage bin, or to enclose the collapsed storage bin between the cover and the lid. Pivotable rolling surface segments are hinged to the wheels such that the segments may be pivoted outwardly to augment the width of the rolling surfaces...
A portable cooler chest comprising: an open topped, insulated enclosure; a lid removably covering the open top of said enclosure; a plurality of wheels rotatably connected to the lower extent of said enclosure, said wheels being movable between a rolling position in which said wheels are disposed alongside the lower extent of said enclosure and a nonrolling position in which said wheels are disposed beneath said enclosure, each of said wheels including a spindle interconnecting said wheel to said enclosure, said spindle having an end opposite said wheel ...