Patent ID: 7293573
Filing Date: 2007-11-13
Classification: A45B,Y10T

Abstract:
1. An umbrella frame comprising: a) a pole member having a longitudinal axis, a bottom end and a top end; b) a main hub member movably secured about said pole member and capable of sliding between said bottom end and said top end of said pole member, said main hub member also capable of rotating about said longitudinal axis of said pole member, c) a secondary hub member secured to said pole member near said top end of said pole member, said secondary hub member capable of rotating about said longitudinal axis of said pole member, d) a plurality of rib members pivotally secured to said secondary hub member, e) a plurality of strut members each having an inner end and an outer end, said inner ends being pivotally secured to said main hub member, said outer end of each of said strut members being pivotally secured to a respective one of said rib members, and f) a cam cleat member for maintaining said main hub member in a position along said pole member while permitting rotation of said main hub member about said longitudinal axis of said pole member.