Stroller having shock-absorbing function
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United States of America Patent
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Jul 16, 2013
Grant Date -
Jun 13, 2013
app pub date -
Dec 7, 2011
filing date -
Dec 7, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A stroller includes a frame unit, two folding devices, and a wheel unit. The frame unit includes a rear support frame, an upper support frame and a lower support frame. Each of the folding devices includes a first shell, a second shell, a gear set, and a pulling mechanism. The gear set includes at least two first toothed members, a connecting rod, a second toothed member, and a fixing rod. The pulling mechanism includes a locking member, a locking rod, a tension spring, a pull member, a drive wire and a fastening member. The wheel unit includes a main shaft, a mounting seat, an elastic plate, a wheel bracket, a buffering spring, and two front wheels. The buffering spring is biased between the mounting seat and the wheel bracket to provide a shock-absorbing function to the front wheels.
First Claim
Family
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Cited Art Landscape
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