Seating unit including novel back construction

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6460928
SERIAL NO

09921059

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A back construction for a seating unit includes a back frame, and a compliant back having a forwardly-protruding lumbar support section that is characteristically flexible and bendable, such that the compliant back can be flexed to a plurality of different convex shapes. Top and bottom connections pivotally connect the compliant back to the back frame. An adjustable force-generating mechanism is operably attached to at least one of the compliant back and the back frame. The force-generating mechanism is constructed to provide an adjustable biasing force that adjustably biases the lumbar support section forwardly for optimal lumbar support for a seated user's back, but the force-generating mechanism characteristically provides the biasing force without forcing a shape change in the compliant back. A vertically adjustable lumbar support is slidably attached to the back shell.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • STEELCASE INC.

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dammermann, Arnold B Winona, MN 34 1864
DeKraker, Larry Holland, MI 35 2832
Ekdahl, Kevin A Chicago, IL 12 798
Heidmann, Kurt R Grand Rapids, MI 170 5310
Klaasen, II Gardner J Ada, MI 11 846
Knoblock, Glenn A late of Fort Collins, CO 41 3312
Perkins, James A Alto, MI 10 809
Peterson, Gordon J Rockford, MI 114 3870
Punches, Edward H Wyoming, MI 9 805
Roossien, Charles P Wyoming, MI 25 1852
Teppo, David S East Grand Rapids, MI 34 2106
Yancharas, Michael J Comstock Park, MI 8 794

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation