Chairs and seats – Movable back – Tiltable
Patent
1997-06-09
1999-03-23
Cuomo, Peter M.
Chairs and seats
Movable back
Tiltable
29736211, 297320, 297330, B60N 212
Patent
active
058849700
ABSTRACT:
Apparatus for adjusting the spatial relationship between the bottom and the back of a chair which may be subjected to severe mechanical stress, as in the case of a vehicle crash, the seat and the back being operatively connected respectively to two oppositely threaded portions of a rotatable shaft which is adapted to be rotated in one direction or the other to produce the desired change in spatial relationship, the arrangement providing the combination of exceptional strength in the event of a crash and reduced cost. The operative connection between the chair parts and the shaft includes two non-rotatable parts engaged respectively with the oppositely threaded shaft portions so as to move in and out with respect to the shaft as the latter is rotated, and a housing which permits those parts to thus move while preventing their rotation.
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CounterBalance Corporation
Cuomo Peter M.
Epstein Robert L.
James Harold
White Rodney B.
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