| 摘要 |
The invention relates to the equipment for vehicles, in particular to the passenger chairs equipped with elements for relaxation of vertebral and pelvic muscles.The chair includes a support (1), a back (11) equipped with a headrest (22) and armrests (21, 23), on the support (1) is placed a seat, made of two longitudinal-parallel parts (2, 3), which are connected to the support (1) by swivel joints (4), the lower surface of each part of the chair seat is articulately joined with levers (5, 6), the opposite ends of which are connected to a connecting rod (7), which is connected by hinges to a crankshaft (8) connected to an electric motor (9) mounted inside the support (1), the chair back (11) is made with the possibility of moving in horizontal and vertical planes by means of an axis (10) with hinges, which at one end is connected to a toothed roller equipped with a handle (16), at the same time the back (11) is equipped with an additional mobile back (13), on which are made horizontal ribs (14) and which is installed on the surface of the chair back (11) for the action on the vertebral muscles, the additional back (13) in the upper and lower parts is connected to the chair back (11) by means of hinges (12) and is provided with a mechanical device with a handle (15) pivotally connected to the chair back (11) and the additional back (13), with the possibility of its vertical movement, on one of the chair sides is placed a control unit (17) with a switch (18) and regulators (19, 20). |
