Chair control

Details Chair control Chair control

A - Human Necessities

47

C

155/22.3

A47C 3/00 (2006.01) A47C 3/026 (2006.01)

Patent

CA 1121709

CHAIR CONTROL ABSTRACT The specification discloses a chair control em- ploying an open top, generally rectangular drawn cup for housing an energy storage package. An axle secured to and extending between stretchers which are secured to a tilting chair or member thereof, is journaled in the drawn cup and carries the energy storage package. Means for adjusting the preload of the energy package and reducing the likeli- hood of an energy package failure are provided. First and second interlocking spindle support members are provided which form a cup reinforcing and stress distributing struc- ture roughly box-shaped in cross section. The four outside corners of the cup are strengthened by indented sidewall portions. A strengthening flange is disposed about the periphery of the cup and the axle journaled in the cup, has a relatively large diameter for distributing stress. -1-

337588

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