Adjustable headrest mechanism and chair having same
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United States of America Patent
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-
Nov 15, 2022
Grant Date -
N/A
app pub date -
Aug 26, 2021
filing date -
May 24, 2021
priority date (Note) -
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Abstract
The adjustable headrest mechanism for a chair comprises a pair of sliding rails; an upper driving rod and a lower driving rod, the upper driving rod being attached to the sliding rails and the lower driving rod being attached to a back frame of the chair; and a headrest actuator pivotally connected between the upper driving rod and the lower driving rod for operably driving the upper driving rod to move between a first position and a second position, thereby driving the sliding rails to pivotally move in an upward direction or a downward direction relative to the lower driving rod. When the upper driving rod is in the first position, the sliding rails is in a complete close state. When the upper driving rod is in the second position, the sliding rails is in a complete open state.
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