Automatic bending-angle changing structure for umbrella
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United States of America Patent
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-
Sep 23, 2003
Grant Date -
Mar 20, 2003
app pub date -
Sep 17, 2001
filing date -
Sep 17, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An automatic bending-angle changing structure for an umbrella including an upper and a lower sleeve, a pulley holding rod, a pulley set, a turning cylinder, a turner bracket, a hinge set and a reel, wherein: the pulley set is pin connected with the pulley holding rod which then is extended into the upper sleeve, the turning cylinder is fitted in the upper sleeve; the lower end of the pulley holding rod is slipped thereover with the turning cylinder and is pin connected with the upper end of the hinge set, the lower end of the hinge set is pin connected with the turning cylinder and the turner bracket, thereby a linkage is formed; the lower end of the turner bracket is slipped into the lower sleeve having thereon the reel; a fine rope is wound on the pulley set by means of the reel to move the turning cylinder and the turner bracket, thereby the umbrella can have variation in opening, collapsing and bending. The structure can suit various big umbrellas; and the umbrella shafts can be changed in bending angles to shade sunshine.
First Claim
Family
International Classification(s)
Cited Art Landscape
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