Umbrella having an angle adjustable function

Details Umbrella having an angle adjustable function Umbrella having an angle adjustable function

2011-06-14

2011-06-14

Dunn, David (Department: 3636)

Tent, canopy, umbrella, or cane

Umbrella

Mechanically operated

Reexamination Certificate

active

07958901

ABSTRACT:
A umbrella includes an upright post, a swing mechanism pivotally mounted on the upright post, a frame mounted on the swing mechanism to pivot in concert with the swing mechanism relative to the upright post, and a driving mechanism mounted on the upright post and connected with the swing mechanism to drive the swing mechanism to pivot relative to the upright post. Thus, the frame is rolled relative to the upright post to tilt leftward or rightward to adjust the inclined angle of the skeleton of the frame so as to provide a better shading effect.

REFERENCES:
patent: 2607363 (1952-08-01), Frey
patent: 3145720 (1964-08-01), Torii
patent: 3150671 (1964-09-01), Frey
patent: 3175568 (1965-03-01), Kafka
patent: 3311119 (1967-03-01), Pearlstine
patent: 3410285 (1968-11-01), Small
patent: 3926202 (1975-12-01), Uthemann et al.
patent: 6014980 (2000-01-01), Glatz
patent: 6311705 (2001-11-01), Ma
patent: 6478037 (2002-11-01), Tung
patent: 6761180 (2004-07-01), Lai
patent: 2004/0035452 (2004-02-01), Ma
patent: 2008/0041431 (2008-02-01), Tung

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