Chairback with side torsional movement
作者： Richard N. Roslund , Robert T. Ritt
DOI:
关键词:
摘要: An office-type chair which includes a seat assembly and back that are pivotally supported on base or pedestal to support user thereon. To increase the comfort of user, is tiltable forwardly rearwardly by way tilt control mechanism while thereof laterally from side side, i.e. in leftward rightward directions torsion mechanism.
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