Tent – canopy – umbrella – or cane – Umbrella – Rib and stretcher joints
Reexamination Certificate
2007-07-24
2007-07-24
Dunn, David (Department: 3636)
Tent, canopy, umbrella, or cane
Umbrella
Rib and stretcher joints
Reexamination Certificate
active
11175286
ABSTRACT:
One embodiment of a beach umbrella comprises a telescopic shank and a folding radial frame including ribs each including a first segment, a second segment, and a hinge pivotably interconnecting the segments, and spreaders each having one end pivotably connected to the first segment and the other end pivotably connected to a ring on the shank. The segments are substantially parallel in response to folding the hinges. The shank includes an upper support tube, a lower sliding tube adapted to slide in the support tube, and a rotatable locking device fixedly provided on a top of the sliding tube. The sliding tube is adapted to manually raise or lower to a plurality of vertical positions relative to the support tube, and the sliding tube is adapted to be locked in a selected one of the vertical positions.
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Dunn David
Hawk Noah Chandler
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