Chairs and seats – With heat exchanger or means to provide fluid or vapor... – Power source propels air for heat exchange
Reexamination Certificate
2006-01-24
2006-01-24
Nelson, Jr., Milton (Department: 3636)
Chairs and seats
With heat exchanger or means to provide fluid or vapor...
Power source propels air for heat exchange
C297S180120
Reexamination Certificate
active
06988770
ABSTRACT:
An arrangement and method for producing an air flow within an upholstered seat back or bottom in which a seat insert has a blower mounted in a pouch at the crotch region between the seat back and bottom and has an outlet which directs air flow up through a spacer layer so as to distribute air flow out through a porous seat back cover or beneath a nonporous cover. A solid plastic backing sheet underlies the spacer layer to direct all air flow out from the spacer layer, the plastic sheet also forming the blower pouch. A mesh layer is bonded to the plastic sheet and used to attach the insert to the seat cushion as well as to carry a heating element pattern extending thereover to also enable electrical heating of the seat back or bottom.
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patent: 5403065 (1995-04-01), Callerio
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patent: 5692952 (1997-12-01), Chih-Hung
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Benefiel John R.
Jr. Milton Nelson
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