Seat for vehicles providing with a thigh supporting device

Claim 1

A vehicle seat with a thigh support device, comprising: a seat frame having first and second side members; a one piece moveable frame overlapping said seat frame and pivotally connected to said first and second side members, said movable frame being vertically moveable by means of a thigh support device; a cushioning member made of foam material mounted on the moveable frame and seat frame, said cushioning member having a thigh support portion and a buttocks support portion, both of said support portions being integrally formed together and having a upper surface; and a top cover member being continuous and covering said upper surface of said thigh and buttocks support portions in an uninterrupted manner said top cover member having two separate side cover sections extending therefrom, a first side cover section for covering said thigh support portion and a second side cover section for covering said buttocks support portion, said side cover sections having edges where said moveable frame is rotatably and pivotally secured to said seat frame, said edge of said first side cover section extends progressively increasing the angle of its inclination from said top cover member towards and terminating at said seat frame adjacent said buttocks support portion, said terminating edge of said first side cover section being fixedly secured to said moveable frame, said edge of said second side cover extends progressively increasing the angle of its inclination from said top cover member towards and terminating at said seat frame adjacent said thigh support portion, said terminating edge of said second side cover section being fixedly secured to said seat frame.