| 摘要 |
A seating unit, made up of: (1) a pair of side panel members, each comprising a planar vertical portion having a lower unit-supporting edge, often with a horizontal arm portion at its upper end, (2) a generally horizontal seat frame member, (3) a generally vertical back frame member having a generally vertical panel portion, often with a horizontal portion at its upper end, (4) releasable clamp or threaded means or other locking means securing each side panel member to the seat frame, (5) hinges securing the seat frame and back frame together, so that they can be folded together or erected at approximately a right angle, (6) releasable clamp or threaded means or other locking means securing the back frame to each side panel, and (7) at least one cushion with seat and back portions resting on the seat frame and back frame, the seat and back frames each being a single cushion wide or a width equal to an integral number of cushions. The unit may also have removable upholstery; this may comprise a casing of stretchable upholstery fabric with padding at least five times as thick as the fabric adhered to the fabric; a suitable undersize casing is secured releasably around each side panel and held in tension thereon, and a similar casing is held in tension on the back frame. There are numerous important structural features in the various elements.
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