Enclosure

Details Enclosure Enclosure

1977-05-16

1978-08-15

Schroeder, Werner H.

Tent, canopy, umbrella, or cane

Umbrella

Self-opening and closing

D25 19, D25 31, 52 66, 135 15PE, 135DIG1, A45F 116

Patent

active

041065204

ABSTRACT:
A shelter comprises at least two sets of arched support ribs with the support ribs of each set being pivoted by the adjacent ends thereof upon a common locus and having one set of support ribs over spanning the other set at an angle to each other. Some of the intersections are secured together and a flexible cover is secured over the support ribs. By situating the end support ribs in a plane at an angle to the supporting surface upon which the shelter is erected, substantially triangular openings are defined which can be used for access if required.

REFERENCES:
patent: 2716993 (1955-09-01), Codrick
patent: 2856942 (1958-10-01), Scott
patent: 3848615 (1974-11-01), Warner et al.

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