Device for protecting an umbrella against inversion

Details Device for protecting an umbrella against inversion Device for protecting an umbrella against inversion

1992-06-26

1994-01-11

Friedman, Carl D.

Tent, canopy, umbrella, or cane

Umbrella

Auxiliary frame brace

135 335, 135 37, A45B 2502

Patent

active

052772128

ABSTRACT:
An umbrella includes a substantially inextensible cord which is mounted by couplers to the free ends of the ribs of the umbrella such that the cord forms a closed loop disposed radially inwardly of the ribs of the umbrella. The cord braces the umbrella against inversion, and the couplers can be designed to allow the cord to be retrofitted to an existing umbrella.

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patent: 4300582 (1981-11-01), Desarno
patent: 4407317 (1983-10-01), Crandall
patent: 5131422 (1992-07-01), Aronov

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