Chairs and seats – Movable bottom – Bottom and back movable as a unit
Reexamination Certificate
2006-11-28
2006-11-28
Barfield, Anthony D. (Department: 3636)
Chairs and seats
Movable bottom
Bottom and back movable as a unit
C297S344210, C248S425000, C403S119000
Reexamination Certificate
active
07140685
ABSTRACT:
A swivel chair joint utilizing a tapered roller bearing assembly to substantially transform the seating load to the tapered roller bearings and thereby reducing frictional resistance to swiveling.
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Barfield Anthony D.
McKenna Michael R.
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