Umbrella with canopy rotator joint

Tent – canopy – umbrella – or cane – Umbrella – Inflatable

Patent

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Details

135 35V, 403165, A45B 1100

Patent

active

049985515

ABSTRACT:
A storm umbrella comprises a canopy, a center pole, a first sleeve slidably mounted on the center pole, and a plurality of outer ribs extending outwardly from a top of the pole and forming a frame for the canopy. A plurality of intermediate ribs are each connected at one end to a corresponding one of the outer ribs and connected at another end to the first sleeve to support the outer ribs and open and close the canopy. In one embodiment of the invention, the center pole is divided and a rotational joint is connected between upper and lower portions of the center pole. In a second embodiment, the center pole is not divided and the rotational joint is connected between the center pole and a handle for the umbrella. Consequently, in either embodiment, when the canopy is subject to a torsional force, the canopy can rotate relative to the handle to shunt the force. This avoids damage to the umbrella and makes the umbrella easier to hold by a person.

REFERENCES:
patent: 539762 (1895-05-01), Barnett
patent: 559577 (1896-05-01), Hadfield
patent: 850341 (1907-04-01), Callahan
patent: 1378354 (1921-05-01), Johnson
patent: 1532802 (1925-04-01), Feistner
patent: 2729220 (1956-01-01), Smyrnow
patent: 3032047 (1962-05-01), Wendorf
patent: 3861410 (1975-01-01), Cognet
patent: 4300582 (1981-11-01), DeSarno
patent: 4407317 (1983-10-01), Crandall
patent: 4865063 (1989-09-01), Williams

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