Threaded driving structure for automatic umbrella
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United States of America Patent
Stats
-
Dec 27, 2016
Grant Date -
Dec 15, 2016
app pub date -
Jun 9, 2015
filing date -
Jun 9, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A threaded driving structure for an automatic umbrella contains: a first stick section and a second stick section fitted on and sliding relative to the first stick section. The first stick section includes a first fixing sleeve disposed on a top end thereof, and first fixing sleeve has a first orifice defined thereon. The second stick section includes a second fixing sleeve mounted on a top end thereof. The first stick section also includes a first support member with inner threads, and the second stick section includes a screw rod with outer threads, wherein an upper end of the screw rod is connected with the second fixing sleeve, and a lower end of the screw rod is screwed with the inner threads of the first support member via the first orifice, a lower end of the first support member is joined with a power apparatus.
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Family
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Cited Art Landscape
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