| 摘要 |
<p>The following invention consist of a baby chair wheel blockage device by electronic means and through sensors, the absence of both hands would trigger the automatic blockage of the wheels, as well as the centring of the front wheels, given that as a whole, it guarantees absolute immobilization, lateral as well as frontal. Once there is contact again with the handle bars the wheels unblock automatically.</p><p><Paragraphs id="pa02" num="0002" xmlns:base="http://www.sipo.gov.cn/XMLSchema/base">The baby chair electronic blockage device, uses servo-engines or electro-mechanic triggers as blocking elements, also an electronic circuit which detects the presence of both hands on the sensors, these are located either in the interior or exterior of both handle bars.</p><p><Paragraphs id="pa03" num="0003" xmlns:base="http://www.sipo.gov.cn/XMLSchema/base">Also, the invention presents an electronic gradual retention device, which will help to determine the baby chair stoppage level when going down hill, to provide greater comfort.</p><p><Paragraphs id="pa04" num="0004" xmlns:base="http://www.sipo.gov.cn/XMLSchema/base">This same invention has a front wheel centring system through a servo engine or electro-mechanic trigger, this is triggered by one or more switches located at the handle bars.
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