Appeal No. 2003-0858 Page 6
Application No. 09/557,509
which the upholstery covering is effectively maintained in position, even though
continuous over the entire cushion structure and without tufting, pleats or flutings.
Asaro refers to the main spring or bottom unit as the base unit and he provides a
superimposed spring unit which he refers to as the upholstery pad unit. The base or
bottom unit comprises bottom border member 1 and top border member 2. The top
border member is carried by the body coil springs 3 which are housed or encased in
pockets 4, the pockets being of the series type and arranged in parallel rows. The
springs of adjacent rows are secured together at top and bottom by clips 5 and to the
border frame by clips 6.
The upholstery pad unit 11 comprises a plurality of coil springs 12 arranged in
pockets 13, the pocketed springs of adjacent rows being preferably arranged in nested
relation as shown in the drawings. The coil springs 12 are of substantially lighter gauge
stock than those of the body coil springs 3; they are also of smaller diameter and of
substantially less height, one of the objects being to provide an upholstery pad unit
which is relatively soft and yielding as compared to the springs of the base unit.
The rows of coil springs 12 are arranged in a casing consisting of a top 14 and a
bottom 15, these being formed of fabric and the bottom being provided with a plurality
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Last modified: November 3, 2007