Collapsible self-supporting structures

Details Collapsible self-supporting structures Collapsible self-supporting structures

1976-07-13

1977-05-31

Faw, Jr., Price C.

Tent, canopy, umbrella, or cane

Umbrella

Self-opening and closing

52 81, 52109, 135DIG3, 135DIG9, 52 86, E04B 112, E04B 1347

Patent

active

040263134

ABSTRACT:
Self-supporting structures and panels of diverse shapes are disclosed in which basic assemblies of crossed rod elements are employed to achieve the desired shape. Further, the crossing points of crossed rod elements in the structure involved may include limited sliding connections which effect transfer of collapsing force to other crossing points which are pivotally joined. An improved hub structure for pivotally joining ends of the rod elements at the outer and inner apical points is also disclosed.

REFERENCES:
patent: 2928403 (1960-03-01), Hoskins
patent: 3053351 (1962-09-01), Fulcher
patent: 3185164 (1965-05-01), Pinero
patent: 3375624 (1968-04-01), Mikulin
patent: 3559353 (1971-02-01), Partridge
patent: 3710806 (1973-01-01), Kelly
patent: 3888056 (1975-06-01), Kelly
patent: 3968808 (1976-07-01), Zeigler
patent: 3973370 (1976-08-01), McAllister
patent: 3986519 (1976-10-01), Gillis

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