CHAIR TILT SYSTEM WITH LEAF SPRING

A chair comprises a leaf spring for biasing a seat towards the substantially horizontal position and an adjustment mechanism comprises a front and rear support configured to adjust a force curve of the leaf spring. The front support to enable (a) the front end portion of the leaf spring to deflect u...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MALETICH, Peter, MATLIN, Tai Hoon K, APPLEGATE, Shawn M
Format:	Patent
Sprache:	eng
Schlagworte:	BEDS CHAIRS COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES FURNITURE HUMAN NECESSITIES SOFAS SPICE MILLS SUCTION CLEANERS IN GENERAL
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A chair comprises a leaf spring for biasing a seat towards the substantially horizontal position and an adjustment mechanism comprises a front and rear support configured to adjust a force curve of the leaf spring. The front support to enable (a) the front end portion of the leaf spring to deflect upwardly for relieving at least a portion of an increase in a spring reaction force induced by downward movement of the rear support as the seat moves in the rearward tilting direction through a range of rearwardly tilted positions, and (b) the front support to deflect the front end portion of the leaf spring downwardly for restoring at least a portion of a decrease in the spring reaction force induced by upward movement of the rear support as the seat moves in the forward tilting direction through the range of rearward tilted positions.