EP 0026668 A2 19810408 - Seat backrest having an adjustable lumbar support.
Title (en)
Seat backrest having an adjustable lumbar support.
Title (de)
Sitzrückenlehne mit verstellbarer Lendenstütze.
Title (fr)
Dossier de siège avec support lombaire réglable.
Publication
Application
Priority
- US 7986179 A 19790928
- US 12215280 A 19800219
Abstract (en)
A seat backrest having a contourable upholstered portion (not shown) supported by a rigid frame portion (116) includes means to produce a desired supporting contour in the lumbar region of the seat occupant. The contour-producing means includes a lumbar pad (122), a pair of link members (124) connecting the lumbar pad to the frame, and a double threaded shaft means (126) operable via a knob (128) by a seated occupant from the side of the backrest for moving and holding the link members in an infinite number of fixed positions forward of the frame. A second knob (130) allows the occupant to adjust the rake of the pad (122).
IPC 1-7
IPC 8 full level
A47C 7/46 (2006.01)
CPC (source: EP)
A47C 7/462 (2013.01)
Designated contracting state (EPC)
DE FR GB IT SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 80303435 A 19800929