(under subclass 195) Device wherein the framework comprises a series of pairs of crossing members, each pair of members lying in a plane and being pivotally connected at approximately the midpoints of each of the members, each pair being pivotally connected to at least one adjacent pair of crossing members at approximately the extremities of adjacent members, and the pairs all lying in a common plane.
(1) Note. The term "lazy-tong" is illustrated in some college dictionaries.
