EP 0136637 B1 19870325 - PNEUMATIC CUSHION USED IN MOTOR VEHICLE SEATS
Title (en)
PNEUMATIC CUSHION USED IN MOTOR VEHICLE SEATS
Publication
Application
Priority
DE 3336185 A 19831005
Abstract (en)
[origin: EP0136637A2] 1. Pneumatic cushion, substantially made of rubber or rubber-like materials, for use in the lower portion of a back rest of a motor vehicle seat provided with two edge beads (2), the pneumatic cushion having two chambers (3, 4) which are disposed one above the other and extend horizontally at right angles to the seat, characterised in that an additional chamber (8) is disposed on each side of the horizontally extending chambers (3, 4) and extends vertically thereto, substantially over the height of these chambers (3, 4) in the longitudinal direction of the back rest, in that the compressed air connection (9-12) of each chamber (3, 4, 8) is disposed at the lower end of the pneumatic cushion, the upper transversely extending chamber (4) surrounding the lower, shorter chamber (3) laterally in a symmetrical manner via narrow extension portions (13, 14), and the compressed air connection (12) of the upper chamber (4) extends from one (14) of the two symmetrical extension portions (13, 14).
IPC 1-7
IPC 8 full level
A47C 4/54 (2006.01); A47C 7/46 (2006.01); B60N 2/90 (2018.01)
CPC (source: EP)
A47C 4/54 (2013.01); A47C 7/467 (2013.01)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0136637 A2 19850410; EP 0136637 A3 19850605; EP 0136637 B1 19870325; AT E26065 T1 19870415; DE 3336185 A1 19850425; DE 3462748 D1 19870430; JP S60122513 A 19850701
DOCDB simple family (application)
EP 84111321 A 19840922; AT 84111321 T 19840922; DE 3336185 A 19831005; DE 3462748 T 19840922; JP 20720684 A 19841004