Sliding Futon Frame With Cross Rails
A solid wood sofa bed frame with two arms and two slatted decks that slide forward to turn a seat and an upright back into a flat bed.
Details
Category: Beds › Convertible Beds
By Huu Khanh Nguyen · Updated November 9, 2026
Parameters
| Name | Default | Unit |
|---|---|---|
| Width Across The Arms | mattressWidth + 2 * (armThickness + 3) | mm |
| Length In Bed Position | mattressLength | mm |
| Arm Height | armHeight | mm |
| Mattress Width | 1380 | mm |
| Mattress Length | 1900 | mm |
| Sofa To Bed | 0 | |
| Arm Height Value | 600 | mm |
| Arm Thickness | 45 | mm |
| Leg Width | 45 | mm |
| Deck Height | 300 | mm |
| Pin Height | deckHeight - 15 | mm |
| Sofa Back Angle | Math.asin(Math.min(1, (730 - pinHeight - 15) / backLength)) * 180 / 3.141592653589793 | ° |
| Back Deck Length | mattressLength * 118 / 218 | mm |
| Seat Deck Length | mattressLength * 100 / 218 | mm |
| Wheel Spacing | backLength * 0.075 | mm |
| Pin Inset | wheelSpacing + legWidth | mm |
| Arm Depth | seatLength + pinInset | mm |
| Pin Position In Sofa Pose | -armDepth / 2 + pinInset | mm |
| Slide Length | backLength - pinInset | mm |
| Slot Width | 36 | mm |
| Slat Gap | (mattressWidth - 80 - 26 * 35) / 27 | mm |