ADJUSTABLE FOOTREST RING FOR CHAIR
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United States of America Patent
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-
Feb 28, 2017
Grant Date -
Mar 9, 2017
app pub date -
Sep 4, 2015
filing date -
Sep 4, 2015
priority date (Note) -
Granted
status (Latency Note)
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Abstract
The invention provides an adjustable footrest ring for a chair with a central post. The invention includes an inner sleeve, a quick-release handle, a support frame and a ring. The inner sleeve is used for being put around the central post and has an outer threaded surface, a through slot and a pair of passing holes below the outer threaded surface. The quick-release handle is formed with a through hole at an end thereof. The through hole corresponds to the passing holes for being passed through by a bolt. The inner sleeve is shrunken when the bolt is tightened and the quick-release handle is closed. The support frame has an outer sleeve and support rods radially extending therefrom. An inner threaded surface is formed inside the outer sleeve so as to screw the outer sleeve onto the inner sleeve. The ring is connected to outer ends of the support rods.
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