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Designer(s):<br />
Harry Bertoia, 1952<br />
Award(s):<br />
‘‘Designer of the Year’’ 1955,<br />
USA; Certificate of Merit,<br />
American Institute of Architects<br />
Order Code<br />
Example: 421L-CO-U-K231/1<br />
421L Diamond chair<br />
CO Satin Chrome<br />
U Fully upholstered<br />
K231/1 Cuddle Cloth, Neutral<br />
Specify:<br />
1 Pattern number<br />
2. Finish selection<br />
3. Upholstery option<br />
4. Cal 133 Fire Code Option<br />
5. Textile selection<br />
For cushion replacement, specify:<br />
1. Pattern number<br />
2. Textile selection<br />
Harry Bertoia<br />
Diamond <strong>Lounge</strong> Seating<br />
description seat h w d h<br />
421L Diamond chair, seat cushion with<br />
glides<br />
textile<br />
fabric yds.<br />
req. leather<br />
sq. ft. weight<br />
16 1 /2� 33 1 /2� 28 1 /4� 30� 0.7 14 16 lbs.<br />
16 1 /2� 33 1 /2� 28 1 /4� 30� 0.7 14 16 lbs.<br />
421K Seat cushion replacement 0.7 14<br />
421LU Diamond chair, full cover with glides 16 1 /2� 33 1 /2� 28 1 /4� 30� 3.0 n/a 16 lbs.<br />
16 1 /2� 33 1 /2� 28 1 /4� 30� 3.0 n/a 16 lbs.<br />
421F Full cover replacement 3.0 n/a<br />
421LS Child’s Diamond chair, seat cushion<br />
with glides<br />
11 3 /4� 24 1 /2� 22 3 /4� 24� 0.7 11 9 lbs.<br />
421KS Child’s Diamond, seat cushion<br />
replacement<br />
421LS Child’s Diamond chair, full cover<br />
with glides<br />
421FS Child’s Diamond, full cover<br />
replacement<br />
422LU Large diamond chair, full cover with<br />
glides<br />
0.7 11<br />
11 3 /4� 24 1 /2� 22 3 /4� 24� 2.5 n/a 10 lbs.<br />
2.5 n/a<br />
15 1 /4� 45� 31 1 /2� 28 1 /4� 3.8 n/a 24 lbs.<br />
422F Full cover replacement 3.8 n/a<br />
Ordering Information<br />
Frame finishes:<br />
Black (suffix 1)<br />
Polished Chrome (suffix C)<br />
Satin Chrome (suffix CO)�<br />
White (suffix 2)<br />
Upholstery options:<br />
Full cover (suffix U)<br />
Seat cushion only (suffix K)<br />
Upholstery/COM information:<br />
Prices shown include fabric or leather<br />
upholstery. Contact your <strong>Knoll</strong><br />
representative for colors. Only approved<br />
<strong>Knoll</strong>Textiles and Spinneybeck leathers<br />
may be ordered.<br />
Customer’s Own Material is available<br />
pending approval. For approval<br />
requirements, processing instructions<br />
and ordering information please see page<br />
20.<br />
42<br />
<strong>Knoll</strong>Studio 20-Day Program:<br />
The Diamond chair in a polished chrome<br />
finish is available on the <strong>Knoll</strong>Studio<br />
20-Day program with seat cushion<br />
upholstered with any in-stock<br />
<strong>Knoll</strong>Textile. For specific information,<br />
consult pages 30 -32.<br />
Outdoor use:<br />
With proper care and limited exposure to<br />
the elements, the 421 Bertoia Diamond<br />
Chair is appropriate for outdoor<br />
environments. Specify rilsan finish and<br />
vinyl seat cushion only. Consult a <strong>Knoll</strong><br />
representative for appropriate upholstery<br />
options.<br />
Cal 133 Fire Code f:<br />
Bertoia 421 chair with seat pad attached<br />
is approved for Cal 133 on all upholstery.<br />
Cal 133 is approved for selected fabrics<br />
marked with a flame for fully upholstered<br />
versions. Specify suffix -C at end of<br />
pattern number.<br />
Maintenance:<br />
See pages 27-28.<br />
Note:<br />
The <strong>Knoll</strong> logo is stamped into the base<br />
of the chair.<br />
The Bertoia Diamond <strong>Lounge</strong> Seating is<br />
Greenguard certified.<br />
The Child’s Diamond Chair is compliant<br />
to the Consumer Product Safety<br />
Improvement Act of 2008 for Children’s<br />
Products, 16 C.F.R. 1303, CPSIA Title 1<br />
Section 101 for Total Lead in Substrates<br />
and Surface Coatings.
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