Push-in flexible cover vent

Details Push-in flexible cover vent Push-in flexible cover vent

1988-11-23

1990-02-06

Joyce, Harold

Tent, canopy, umbrella, or cane

Umbrella

Self-opening and closing

98 37, 135 93, F24F 700

Patent

active

048980854

ABSTRACT:
A pair of similarly transversely bowed and superposed panel members are secured together and are V-shaped in plan. The apex portion of one panel member disposed to the concave side of the other panel member is sharpened and the panel members are secured together along their base edge portions with the remaining portions of the panel members disposed in slightly spaced apart relation. The opposing surfaces of the spaced apart portions of the panel members include coacting projections for frictionally clampingly engaging the portion of a flexible cover disposed to one side of a slit formed in the cover through which the aforementioned one panel member extends.

REFERENCES:
patent: 3004483 (1961-10-01), Prager et al.
patent: 3164078 (1965-01-01), Sheng

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