|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||280/35 ; 280/659 ; 211/201|
|발명자 / 주소|
|인용정보||피인용 횟수 : 31 인용 특허 : 0|
An improved expandable and compressible carrier which is expanded and compressed in all three dimensions. The carrier structure includes multiple but identical components for economy in cost of manufacture. The carrier may be expanded and compressed manually or by one or more motors. Carrier components are interconnected such that by movement of components in one dimension, the carrier expands or contacts in the other two dimensions.
An improved expandable and collapsible carrier which is extended and contracted in all three dimensions, comprising: a. a first, lower set of a plurality of first corner segments, each first corner segment having two legs extended therefrom; b. a second, upper set of a plurality of second corner segments, each second corner segment having two legs extended thereform; c. first means for slidably engaging adjacent legs of said first corner segments together, externally of one another, thus to form a lower, generally horizontal planarly disposed, base struc...