Support surface with inflatable core zones

Details Support surface with inflatable core zones Support surface with inflatable core zones

2009-06-17

2010-11-16

Trettel, Michael (Department: 3673)

Beds

Mattress

Having confined gas

C005S713000, C005S722000, C005S739000, C005S185000

Reexamination Certificate

active

07832039

ABSTRACT:
A mattress includes a core portion having independently inflatable head, seat and foot zones, each of which includes at least an A bladder and a B bladder. Pressure within all the core portion A bladders is adjustable separately from pressure within all the core portion B bladders. Pressure within the A bladders of a given zone are adjustable separately from pressure within the B bladders of the given zone. Pressure within the A bladders of a given zone are separately adjustable from pressure within the A bladders of zones other than the given zone, and pressure within the B bladders of a given zone are separately adjustable from pressure within the B bladders of zones other than the given zone.

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