Beach umbrella having telescopic shank
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 15, 2005
Grant Date -
Nov 18, 2004
app pub date -
May 13, 2003
filing date -
May 13, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A telescopic shank of beach umbrella invention for facilitating height adjustment and storage is provided. In one embodiment, the shank comprises an upper support tube and a lower sliding tube comprising a top fastening mechanism the fastening mechanism including an eccentric, intermediate shaft, an eccentric groove around the shaft, and a stop on the eccentric groove, and an eccentric C-shaped locking device put on the eccentric groove, the locking device including a stop block. In a sliding position, the stop and the stop block are opposite. Responsive to further rotating the sliding tube, the fastening mechanism, and the shaft about half circle about the support tube, the stop is urged against the stop block and an eccentric portion of the shaft and the stop urge against the locking device for biasing one side of the locking device against an inner wall of the support tube in a locked position.
First Claim
Family
International Classification(s)
Cited Art Landscape
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