Linear adjustment mechanism
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United States of America Patent
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Jun 6, 2017
Issued Date -
N/A
app pub date -
Sep 10, 2015
filing date -
Jan 15, 2015
priority date (Note) -
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Abstract
According to embodiments described in the specification, a linear adjustment mechanism for a chair includes first and second structural members adapted to be connected to a chair seat and chair back respectively and coupled to one another for relative sliding movement along an axis. The mechanism further includes a rack on the first structural member extending in a direction of the axis and a pin member positioned in an opening of the second structural member for engaging with the rack. The pin member includes one or more bore openings. One or more spring members are carried by the second structural member for moving the pin member between respective limits of travel of the first and second structural members with respect to one another along the axis. The spring members are disposed through the bore opening for coupling the spring members relative to the pin member.
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