Folding umbrella frame

Details Folding umbrella frame Folding umbrella frame

1985-08-22

1987-04-21

Davis, Jr., Albert W.

Tent, canopy, umbrella, or cane

Umbrella

Collapsible in length

135 29, A45B 1900

Patent

active

046588442

ABSTRACT:
This invention relates to an improved umbrella frame and in particular to one comprising a telescopic stick, a runner slidably mounted on the telescopic stick, a crown fixed at upper end of the telescopic stick, stretcher members pivotally connected with the crown, struts hinged to the runner, links hinged to the struts, control ribs connected with the links, auxiliary links connected at one end with the stretcher members, sleeves each enclosing respective auxiliary link and control rib, and outer dome ribs.

REFERENCES:
patent: 974643 (1910-11-01), Carlson
patent: 1202946 (1916-10-01), Wolf
patent: 2761461 (1956-09-01), Mappin et al.

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