| 摘要 |
A method and sofa for converting the sofa into a bed. A seat back of a sofa bed is pulled and rolled out using roll out wheels concealed underneath the seat back as they glide across a track mechanism (also concealed underneath the seat back) until the roll out wheels lock into place. The back rest is pushed down until the back rest is level with the pulled-out seat bed thereby forming a regular-sized bed. In this manner, a sofa bed may be easily converted from the “sofa” position to the “bed” position while forming a regular-sized bed.
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