Electric umbrella having roller sets
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United States of America Patent
Stats
-
Mar 14, 2017
Grant Date -
N/A
app pub date -
Feb 18, 2016
filing date -
Feb 18, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electric umbrella having roller sets contains: a first stick section, a second stick section, a third stick section, and a transmission mechanism. The second stick section is fitted in the third stick section, and the third stick section is fitted in the first stick section, a lower portion of the second stick section is in connection with a handle. The first stick section includes an upper runner disposed on a top including a first roller set disposed therein, and two ends of the driving rope are fixed on two sides of the lower runner, the driving rope rolls across the first roller set and slides between a top of the third stick section and the first roller set, and the transmission mechanism in the second stick section and drives the third stick section through a driving source in the handle drives the umbrella skeleton to expand or retract.
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