Joint mechanism for an umbrella

Details Joint mechanism for an umbrella Joint mechanism for an umbrella

1993-11-02

1994-12-13

Mai, Lanna

Tent, canopy, umbrella, or cane

Umbrella

Rib and stretcher joints

135 32, 403170, 403178, A45B 2500

Patent

active

053721551

ABSTRACT:
An improved joint mechanism for an umbrella which has a first connecting device which includes a shaft member which has a channel through its length and is capable of sleeving onto a rib member and a saddle portion with a U-shaped configuration disposed at the middle portion of the shaft member. A second connecting device defines a connecting tube suitable for fixing a tip portion of a stretcher and a yoke portion having a supporting beam which can be rotatably received by the saddle portion of the first connecting device.

REFERENCES:
patent: 3021854 (1962-02-01), Uthemann
patent: 4368749 (1983-01-01), Lindler et al.
patent: 4676262 (1987-06-01), Yang
patent: 4867596 (1989-09-01), Ocuin
patent: 4890095 (1992-01-01), Jones
patent: 5121764 (1992-06-01), Wu
patent: 5193566 (1993-03-01), Chen

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