Chairs and seats – Movable bottom – Bottom and back movable as a unit
Reexamination Certificate
2006-12-29
2010-10-26
Edell, Joseph F (Department: 3636)
Chairs and seats
Movable bottom
Bottom and back movable as a unit
C248S564000
Reexamination Certificate
active
07819476
ABSTRACT:
A support frame for use in a lift chair. In one embodiment, the support frame includes a base frame having longitudinally spaced transversely extending front and rear frame base rails; a first longitudinally extending side frame base rail connected to the front and rear frame base rails and a second longitudinally extending side frame base rail connected to the front and rear frame base rails, respectively, the first and second side frame base rails and the front and rear frame base rails being co-planar for supporting the lift chair on a surface; and a force balance member mounted to the rear frame base rail. The force balance member has a transversely extending base portion, a first arm portion extending from the base portion at a first angle αa, and an opposite, second arm portion extending from the base portion at a second angle αb.
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Gong Jiaxiong
Gong Xiaojun
Liu Quan
Mao Yongyong
Yin Ming
Edell Joseph F
I-Trust Better Life Corp.
Morris Manning & Martin LLP
Tingkang Xia Tim
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