| 摘要 |
A backrest section of a unitary sofa, or of a unit of a modular sofa arrangement, is movable between its upright position and an operative position where it overlies the seat to provide a table and/or armrest accessible to sofa occupants on either side thereof. A linkage mechanism comprising a pair of links is mounted to either side of the movable backrest section and includes an opposed recess and detent which snap engage for frictionally retaining the table in the open, substantially horizontal position. The links are pivotally connected to anchor plates fixedly secured to vertical support mebers mounted in the sofa frame.
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