Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing
Patent
1998-12-15
2000-09-05
Friedman, Carl D.
Tent, canopy, umbrella, or cane
Umbrella
Self-opening and closing
135 203, 135 22, 135 253, 135 28, A45B 2514
Patent
active
061127558
ABSTRACT:
An automatic umbrella includes a central shaft consisting of five tubes telescopically engageable with one another; a rib assembly consisting of at least a top rib pivotally secured to a top portion of the central shaft, a stretcher rib pivotally connected with the top rib and a lower runner slidably held on the central shaft, and plural ribs pivotally connected to the top rib and the stretcher rib; an opening spring resiliently retained in the central shaft for opening the umbrella; a plurality of closing springs secured on the rib assembly for closing the umbrella; and a control device consisting of an upper roller rotatably mounted on an upper portion of the central shaft, at least a lower roller rotatably secured on the lower runner and at least an uppermost roller rotatably secured on a top portion of the shaft for continuously deflectively winding at least a rope of the control device on the respective rollers for making an automatic umbrella of penta-fold or the like.
REFERENCES:
patent: 5390686 (1995-02-01), Lin et al.
patent: 5441065 (1995-08-01), Lin et al.
patent: 5492140 (1996-02-01), Lin et al.
patent: 5505222 (1996-04-01), Lin et al.
patent: 5617889 (1997-04-01), Wu
patent: 5626161 (1997-05-01), Lin et al.
patent: 5645094 (1997-07-01), Wu
patent: 5803102 (1998-09-01), Ko
patent: 5823215 (1998-10-01), Chou et al.
Chang Jung-Jen
Lin Chung-Kuang
Friedman Carl D.
Fu Tai Umbrella Works Ltd.
Yip Winnie
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