Tail rib structure having an effect of enhancing wind-resistant

Tent – canopy – umbrella – or cane – Umbrella – Rib and stretcher joints

Patent

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Details

135 31, A45B 2500

Patent

active

053238010

ABSTRACT:
A tail rib structure comprises a tail rib with its inner end pivotally connected to the outer end of a flexible rib by way of a pin passing through a round hole on a flat portion formed on the inner end of the tail rib and a husk encasing the joint between the tail rib and the flexible rib. The tail rib structure can provide high wind-resistant strength for an umbrella.

REFERENCES:
patent: 1145285 (1915-07-01), Williamson
patent: 3901257 (1975-08-01), Schafer
patent: 4420007 (1983-12-01), Wu
patent: 4815489 (1989-03-01), Yang
patent: 5235998 (1993-08-01), Liu

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