Chairs and seats – Back movement resiliently opposed in operating position – Back and seat adjust simultaneously
Reexamination Certificate
2005-08-23
2005-08-23
White, Rodney B. (Department: 3636)
Chairs and seats
Back movement resiliently opposed in operating position
Back and seat adjust simultaneously
C297S285000, C297S300300, C297S300700, C297S300800, C297S301500, C297S301600, C297S301700
Reexamination Certificate
active
06932430
ABSTRACT:
A seating unit includes a base, a seat, a back, and a control operably supporting the seat and the back on the base for movement between upright and recline positions. The control includes a spring providing a biasing supporting force to the back during recline, and further includes a booster mechanism for increasing the supporting force, and still further includes a stop member and a selector device for activating and deactivating the booster mechanism. The selector device is easily movable with a low effort that is independent from friction generated by internal components of the booster mechanism. The stop member is linearly slidably mounted atop a control housing for selectively engaging the booster mechanism and the link for movement between a disengaged position, a booster-engaged position, a partial-recline position, and a recline-prevented position.
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Battey Robert J.
Bedford Adam C.
Bodnar David A.
Hadley Jonathan B.
Hall Jeffrey A.
Price Heneveld Cooper DeWitt & Litton LLP
Steelcase Development Corporation
White Rodney B.
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