Structure of a mesh back of a chair

Details Structure of a mesh back of a chair Structure of a mesh back of a chair

2005-10-25

2005-10-25

Nelson, Jr., Milton (Department: 3636)

Chairs and seats

Bottom or back with means to alter contour

Providing support for lower back region

C297S452640

Reexamination Certificate

active

06957861

ABSTRACT:
A mesh chair back includes a loop-shaped frame, an elastic mesh part, a waist support unit, and a smooth separating plate; the loop-shaped frame has left and right upright portions; the elastic mesh part is positioned over and secured on the loop-shaped frame; the waist support unit is arranged behind the elastic mesh part, and connected to the left and the right upright portions of the loop-shaped frame at two ends in an up and down displaceable manner; the smooth separating plate is positioned between the mesh part and the waist support unit for preventing the waist support unit from rubbing and causing wear to the mesh part while the waist support unit is being adjusted in height; the waist support unit props the separating plate and the mesh part forwards such that the separating plate and the mesh part each has a forwards protruding portion.

REFERENCES:
patent: 6354662 (2002-03-01), Su
patent: 6575530 (2003-06-01), Fischer et al.
patent: 6588842 (2003-07-01), Stumpf et al.
patent: 6695403 (2004-02-01), Su
patent: 6811215 (2004-11-01), Horiki et al.
patent: 6843530 (2005-01-01), Wu
patent: 2003/0137172 (2003-07-01), Chu

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