Driving and guiding mechanism for a retractable bed under the ceiling in a recreational vehicle

Drive and guidance mechanism for a retractable bed in a camping vehicle (2) composed of a drive shaft (10) fitted with double pulleys (12) around which two straps (8) and two straps (9) wind and are connected to the four corners of a bed (1) which is driven upward or downward using a motor with gearbox (11) passing through passage pulleys (13) and guided by two fixed guides (6) situated perpendicular to the floor (3) and following the inclination of the side (5) and with the assistance of two movable guide frames (7) fitted either with rollers (15,16 and 18) or with friction pads (17,19 and 24) or with bored guide tubes (27).