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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||248/168 ; 248/188 ; 248/1889 ; 248/DIG ; 11|
|발명자 / 주소||
|출원인 / 주소||
|인용정보||피인용 횟수 : 31 인용 특허 : 0|
A folding tripod the legs of which are moveable into operative positions where they can be arrested to impart stability and firmness to the tripod, by clamping them against peripheral surfaces of brackets protruding from a center post of the tripod. Each bracket is provided with a bearing acting as a fulcrum for its associated leg, and with a peripheral surface surrounding the bearing, the surface having at least one portion which is closer to the bearing than other portions, whereby the legs tend to resist pivotal movement from an operative, load bearin...
An apparatus for supporting an article, comprising: an elongated support having a predetermined axis; a plurality of legs; bracket means including bearing means mounted on said support for mounting each of said legs for pivotal movement between support positions in which said legs extend angularly relative to said axis, and storage positions, and having an axis of rotation extending normal to said predetermined axis, said bracket means each being provided with an arcuate peripheral surface at least partially and eccentrically circumscribing said bearing ...