The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 25, 1993
Filed:
Sep. 09, 1991
John Whitfield, Raleigh, NC (US);
Other;
Abstract
An umbrella comprises a foldable frame and a web provided having a substantially circular central portion and a substantially annular skirt portion continuous with the central portion. The frame comprises a rigid support shaft, a plurality of ribs pivotably attached to the support shaft at one end thereof, a runner element slidably attached to the shaft, and a plurality of stretcher arms each pivotably fastened at one end to the runner element and at an opposite end to a respective one of the ribs. In addition, the frame includes a plurality of skirt support members each pivotably attached to a free end of a respective one of the ribs, and a plurality of pulling members each pivotably attached at one end to a respective one of the stretcher arms and at an opposite end to a respective one of the skirt support members. The skirt portion of the cover or web is fastened to the skirt support members.