Tent – canopy – umbrella – or cane – Umbrella – Rib and stretcher joints
Patent
1997-01-06
1998-02-10
Mai, Lanna
Tent, canopy, umbrella, or cane
Umbrella
Rib and stretcher joints
135 32, 403 59, A45B 2500
Patent
active
057158533
ABSTRACT:
A structure which is easy to be assemble and can firmly combine a rib with a stretcher of an umbrella is disclosed. The structure comprises a fastening and a link. The fastening has a body defining a passage for receiving a rib of the umbrella and a locating piece integrally extending from an outer periphery of the body. The locating piece defines a slot perpendicular to and in communication with the passage. The link has a block. The block defines a front end and a rear end, a first plate integrally extending outwardly from a bottom of the front end, a second plate integrally extending outwardly and upwardly from a top face thereof at the front end, and a pipe integrally extending from the rear end thereof for receiving a stretcher of the umbrella. The block further defines two concave side walls extending between the front end and the rear end thereof to conform with the outer periphery of the body. The first plate has a boss which extends from a surface thereof and is allowed to extend through the slot of the locating piece. The boss further has a head on a top thereof with a diameter slightly larger than the boss. The second plate defines a hole therein to snappingly receive the head of the boss.
REFERENCES:
patent: 929536 (1909-07-01), Babbit
patent: 1436320 (1922-11-01), Ostman
patent: 2221289 (1940-11-01), Okum
patent: 2385575 (1945-09-01), Isler
patent: 2474516 (1949-06-01), Daniel
patent: 2761461 (1956-09-01), Mappin et al.
patent: 3021854 (1962-02-01), Uthemann
patent: 4368749 (1983-01-01), Lindler et al.
patent: 5193566 (1993-03-01), Chen
patent: 5372155 (1994-12-01), You
Asia Umbrella Industries Co., Ltd.
Mai Lanna
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