Patent ID: 6837543
Filing Date: 2005-01-04
Classification: B60N

Abstract:
1. A seat, comprising: an upward backrest having a frame; an elongated, resiliently bending element running crosswise in the frame, said elongated element being adapted to be in a vicinity of a lumbar vertebra of a person when the person is seated on said seat; two Bowden cables each comprising a sheath and a traction wire passing in longitudinally displaceable manner through said sheath; a drive device at the backrest for applying tension to the traction wires, and two rests each for the sheath of one of said Bowden cables, said rests being positioned in longitudinally opposite end zones of the elongated element, respectively; wherein an end of the traction wire of each of the Bowden cables is attached to the frame of said backrest, whereby the elongated element is suspended in such manner in the frame that when tension is applied by the drive device to the traction wires, the elongated element shall be displaced forward; and wherein attachment of the traction wires to the frame is mediated through a spring.