Adjustable chair arm
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 7, 1999
Grant Date -
N/A
app pub date -
Jul 9, 1998
filing date -
Nov 13, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vertically adjustable, multi-position chair arm assembly includes a flat metal support bracket having a generally straight uppermost section. The chair arm assembly further includes a plastic shell housing mounted on the generally straight section of the support tube. The single piece shell housing retains a pair of mating sleeves which seat and lock in the draft angle of the shell housing. The uppermost section of the metal support bracket is enclosed by a molded plastic cover. The mating sleeves provide a channel for receiving and retaining the plastic covered section of the metal support bracket. The sleeve channel provides a plastic to plastic interface whereby the total material tolerances are significantly reduced and thereby minimizing wobble. A locking mechanism housed within the shell housing is in positive locking engagement with a punched locking rack formed in the metal support bracket.
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