|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||248/421 ; 108/144 ; 297/345|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 2 인용 특허 : 1|
A height adjustable load carrying platform (7) wheel mounted for steering or crabbing movement and comprising at least three concertainable lazy tongs lattices of struts (5) forming a 3 sided pyramid which can be raised and lowered manually or under power, and includes a counterbalance mechanism (67). The structure replaces a conventional pedestal support for a camera or the like (such as T.V. camera) and is capable of being extended up to normal pedestal height, but is also capable of contracting to a lower minimum height than that of a conventional ped...
A height adjustable support for a load carrying platform comprising a base, and a generally pyramidal framework made up of a plurality of lazy tong struts which become progressively shorter in length from the base to the load carrying platform, each strut being connected to a strut in an adjoining side of the structure by hinge means to enable the support to concertina, and each hinge means additionally incorporating pivotal means to allow a strut to rotate about an axis which is substantially vertical when the platform is at its lowermost position, wher...