US PATENT SUBCLASS 5 / 31
.~.~ With rising inner section

Current as of: June, 1999
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5 /   HD   BEDS

12.1  DF  SOFA BED {15}
28  DF  .~ Unfolding seat {5}
31.~.~ With rising inner section {1}
32.1  DF  .~.~.~> Pivoted hinge plate {2}

DEFINITION

Classification: 5/31

(under subclass 28) Devices in which there is a section below the seat section forming the inner part of the bed, which is raised to bed position by unfolding the seat section.