Sprung seat

Details Sprung seat Sprung seat

1992-11-16

1993-11-16

Ramairez, Ramon O.

Chairs and seats

Movable bottom

Bottom and back movable as a unit

248421, 248588, A47C 102

Patent

active

052617246

ABSTRACT:
A sprung seat having an L-shaped base arrangement includes a spring means for adjusting the springing characteristic of the seat as desired. For that purpose the seat has a two-armed pivot lever mounted pivotably about a central horizontal mounting axis on a back portion of the L-shape, in an at least approximately horizontal position. One arm of the pivot lever is connected to one end of at least one at least approximately horizontal tension spring of the spring means. The second end part of the tension spring is fixed to a fixing portion of a support lever. The fixing portion is at least approximately aligned with the mounting axis about which the armed pivot lever is pivotable. The support lever is pivotably mounted to the back portion of the L-shape and is connected by its fixing portion to a member of the scissor support assembly.

REFERENCES:
patent: 3861637 (1975-01-01), DeLongchamp
patent: 4125242 (1978-11-01), Meiller et al.

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