Collapsible shelter structure

Details Collapsible shelter structure Collapsible shelter structure

1976-05-17

1978-01-03

Schroeder, Werner H.

Tent, canopy, umbrella, or cane

Umbrella

Self-opening and closing

135 4R, 135DIG9, A45F 116

Patent

active

040660893

ABSTRACT:
The collapsible shelter structure comprises a pair of composite frame sections corresponding, generally, to front and back walls of the shelter. The front and back frame sections are held in spaced relationship by struts that themselves may be foldable as by a retractable splint structure. The struts are external of the fabric or other flexible walls forming the shelter and all of the frame elements remain connected to the companion elements when the structure is collapsed. In a tent configuration, the front and rear frame sections each include rafters that pivotally connect together to form a weather stable arrangement even absent a ridge pole.

REFERENCES:
patent: 1291758 (1919-01-01), Buck
patent: 1449894 (1923-03-01), Dial
patent: 1502898 (1924-07-01), Berg
patent: 1735737 (1929-11-01), Dial
patent: 2705966 (1955-04-01), Magary
patent: 2987069 (1961-06-01), Presnick
patent: 3212512 (1965-10-01), Morris

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