Tent – canopy – umbrella – or cane – Umbrella – Having storing case
Patent
1990-10-18
1992-08-04
Raduazo, Henry E.
Tent, canopy, umbrella, or cane
Umbrella
Having storing case
135 48, A45B 2528
Patent
active
051350173
ABSTRACT:
In an umbrella cover, in which each of a plurality of short connector cylinders has its diameter gradually decreased, inner protuberances are provided at the inner circumferences of the small diameter sides or ends and outer protuberances are provided at the outer circumferences of the large diameter sides or ends of the cylinders. The cylinders are concentrically fitted to each other, and each of the adjacent connector cylinders receives the inner protuberance of an inner connector cylinder. Each of the connector cylinders is provided at its inner surface adjacent to its large diameter end, with abutting protuberances projected in a circumferential direction. Additionally, at small diameter positions, spaced apart from each of the abutting protuberances by a predetermined amount, each of the connector cylinders is provided with a plurality of latching protuberances projected along a circumferential direction. Each of the latching protuberances has a lower projecting height than that of the abutting protuberances. Each of the abutting protuberances and each of the latching protuberances is arranged such that the outer protuberances of the inner connector cylinder are engaged with the latching protuberances of the outer connector cylinder at once when the extending or retracting cover is retracted. As the cover is further pushed toward its retracting direction under this condition, the outer protuberances ride over the latching protuberances and fit between the abutting protuberances and the latching protuberances so as to prevent both a dropping-off of the extending or retracting cover in its retracting direction and a sliding-off of the extending or retracting cover.
REFERENCES:
patent: 108798 (1870-11-01), Keenan
patent: 337145 (1886-03-01), Ghezzi
patent: 785938 (1905-03-01), Epstein
patent: 3114468 (1963-12-01), Quase
patent: 4624382 (1986-11-01), Tontarelli
patent: 4973189 (1990-11-01), Bechtold
Raduazo Henry E.
Tokyo Nagai Co., Ltd.
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