Air bag assembly

Details Air bag assembly Air bag assembly

1985-06-26

1987-09-01

Aschenbrenner, Peter A.

Chairs and seats

Bottom or back with means to alter contour

297DIG3, A47C 746, B60N 106

Patent

active

046904565

ABSTRACT:
A lumbar supporting air bag assembly built into a seat back includes a main body consisting of a resilient sheet of synthetic resin sealed together at the side edges thereof, a port provided on the main body for introducing air into and discharging air from the main body, a plurality of partitions formed in the sheet, and longitudinally extending elongate holes or slits formed at the center of the partitions, the latter being separated from one another to define mutually communicating chambers in the air bag assembly. The opposing edges of the slits or holes separate from each other when air under pressure is introduced into the air bag, in such a manner that the holes or slits cause the chambers to be expanded in the direction of a pad.

REFERENCES:
patent: 1830570 (1931-11-01), Smith et al.
patent: 2731652 (1951-06-01), Bishop
patent: 3063749 (1962-11-01), Struble et al.
patent: 3253861 (1966-05-01), Howard
patent: 3652126 (1972-03-01), Folling
patent: 3736022 (1973-05-01), Radke
patent: 3974827 (1976-08-01), Bodeen
patent: 4467484 (1984-08-01), Nagatake et al.

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