Securing runner of an umbrella

Details Securing runner of an umbrella Securing runner of an umbrella

1996-05-14

1996-12-31

Mai, Lanna

Tent, canopy, umbrella, or cane

Umbrella

Runners and notches

135 39, 135 41, A45B 2506

Patent

active

055884555

ABSTRACT:
The invention relates to an improved structure of a securing runner of an umbrella. The runner includes a sleeve, a nest, and a base, wherein the sleeve has an upper and a lower groove on one side related to a curved end and a holding end of a detent positioned in a main tube of the umbrella. The nest portion connecting with stretchers of the umbrella and the base are provided around the sleeve that the base has an inner circular rim to fit into a circular groove provided on lower part of the sleeve to obtain a good engagement between both. While the runner is pull downward, the sleeve urges the detent spring moving inwardly directly and the runner can be slid down to close the umbrella.

REFERENCES:
patent: 769877 (1904-09-01), Serge-Kisslow
patent: 819238 (1906-05-01), MacMillan
patent: 1202063 (1916-10-01), Heyn
patent: 2567284 (1951-09-01), Hacken et al.
patent: 3419026 (1968-12-01), Evans, Jr. et al.
patent: 3424180 (1969-01-01), Andolfi
patent: 5357994 (1994-10-01), Chung
patent: 5515878 (1996-05-01), Wu

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