|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||248/99 ; 150/49 ; 248/95 ; 280/12C|
|발명자 / 주소|
|인용정보||피인용 횟수 : 48 인용 특허 : 3|
An improved spreader for leaf bags which not only is collapsible for compact packaging and storage but is provided with ground engaging skid elements to permit the same to be dragged along the ground while maintaining the mouth of the bag above the ground to prevent the bag from being pulled from the frame during the dragging operation.
An open ended bag-spreading frame structure comprising, a plurality of longitudinal extending frame members with cross members extended therebetween, the connections between the longitudinal frame members and the cross members permitting the frame structure to be collapsed into a double thickness frame for compact packaging and storage while permitting the same to be erected into expanded operative position having a generally rectangular cross section and being of substantially the same length as the bag into which it is inserted to hold the bag open, sa...