Patent ID: 6056360
Filing Date: 2000-05-02
Classification: B60N

Abstract:
An adjustable lumbar support for providing lumbar comfort to a seat occupant seated in a seat, said adjustable lumbar support comprising:at least two opposed leaf spring members for providing support to a lumbar region of an occupant seated in a seat, wherein said leaf spring members are continuous and arcuate in configuration whereby an ellipsoidal volume is formed there between said leaf spring members being pivotally connected at opposite edges;at least one pair of mechanisms hinge each for pivotally connecting said opposite edges of said leaf spring members such that the distance separating said leaf spring members increases as said hinge mechanisms are drawn together;an inter-leaf cable for selectively regulating the degree of separation between said leaf spring members to obtain a selected support by said lumbar support, wherein said interleaf cable includes a cable stop for delimiting the range of motion of said inter-leaf cable, said inter-leaf cable for flexing said adjustable lumbar support such that said leaf spring members are variably disposable between an open and a closed position, said inter-leaf cable having a first end and a second end, said second end of said inter-leaf cable being received on one of said at least one pair of hinge mechanisms; andan actuating mechanism operatively associated with said first end of said inter-leaf cable for providing selective actuation of said leaf spring members between said open and said closed position such that a desirable support position is facilely found.