Back support for seating unit

Back support for seating unit

A back support includes a base, a seat, and a back frame pivoted to the base. The seating unit has a flexible back (i.e., back shell) supported on the back frame and having stiff upper and lower sections connected by a forwardly protruding flexible lumbar section for providing lumbar support to a se...

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Hauptverfasser: Knoblock, Glenn A, Dammermann, Arnold B, DeKraker, Larry, Heidmann, Kurt R, Peterson, Gordon J, Roossien, Charles P, Teppo, David S
Format: Patent
Sprache:eng
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creator Knoblock, Glenn A
Dammermann, Arnold B
DeKraker, Larry
Heidmann, Kurt R
Peterson, Gordon J
Roossien, Charles P
Teppo, David S
description A back support includes a base, a seat, and a back frame pivoted to the base. The seating unit has a flexible back (i.e., back shell) supported on the back frame and having stiff upper and lower sections connected by a forwardly protruding flexible lumbar section for providing lumbar support to a seated user. A spring mechanism is connected to the back frame and to a center lower edge of the flexible back. The spring mechanism biases the flexible back to bias the lumbar toward a forwardly protruding shape to provide optimal lumbar support when in the upright position and also during recline of the seated user.
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title Back support for seating unit
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