Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing
Patent
1980-04-21
1982-08-10
Bell, J. Karl
Tent, canopy, umbrella, or cane
Umbrella
Self-opening and closing
403161, E04F 1004
Patent
active
043433227
ABSTRACT:
A foldable shelter is disclosed which is suitable for personal use on a beach. The shelter includes a number of ribs which are pivotally connected together at their ends so as to enable adjustment or folding of the shelter. The joints are of novel construction and provide for ease of manufacture and more independent movement of the respective ribs.
REFERENCES:
patent: 2932833 (1960-04-01), Wambach
patent: 2964341 (1960-12-01), Doyle et al.
patent: 3561792 (1971-02-01), Cycowicz
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