"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
|7156142||Vertically movable partition walls|
A partition wall, upwardly movable into storage position and downwardly movable into vertical, down position. The wall comprises a plurality of similar trains of elongated members. The members of each train are arranged to form a single pantograph forming longitudin...
|6808000||Vertically movable security partition|
A mechanical curtain, upwardly movable into open position and downwardly movable into closed position, the curtain comprising: a) a plurality of similarly constructed trains of elongated members, the members of each train arranged to form a single pantograph forming...
|6484972||Articulated set of sequentially opened solar generator panels|
At least three stacked panels are articulated by means of adjacent members so that they can pivot toward a deployed configuration. A mechanism includes an immobilizer mounted on a first member, cooperating with a second member to lock the two panels in th...
|5062464||Vertically collapsible wall partitions|
A rigid wall partition system which is vertically upwardly movable into storage position and vertically downwardly movable to form a continuous wall. The system comprises a plurality of panels secured to members which in turn are pivotally secured to spac...