Lawn umbrella

Tent – canopy – umbrella – or cane – Umbrella – Inflatable

Patent

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Details

135 25A, A45B 1100, A45B 1900

Patent

active

043600352

ABSTRACT:
A lawn umbrella having a shade of a rectangular configuration supported by four ribs, the free end of each rib being received in a pouch at a respective corner of the shade. The other ends of two of the ribs are pivotably connected to a collar slidable on the mast, the collar being lockable in operative position by a thumb screw. The other ends of the other ribs are pivotably connected to the top of the mast. A pair of struts are pivotably connected at one end to the second mentioned ribs and at the other end to a second slidable collar. Another pair of struts are pivotably connected at one end to the mast and at their other ends to the respective first mentioned ribs.

REFERENCES:
patent: 973406 (1910-10-01), Clark
patent: 1613287 (1927-01-01), Moser
patent: 2871868 (1959-02-01), Faasse
patent: 3252469 (1966-05-01), Peake
patent: 4007753 (1977-02-01), DeMarco

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