Adjustable seating furniture

Details Adjustable seating furniture Adjustable seating furniture

2011-01-04

2011-01-04

Ridley, Richard W (Department: 3656)

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

C297S362140, C297S362110

Reexamination Certificate

active

07861610

ABSTRACT:
Furniture drive for displacing parts of a piece of furniture relative to one another, includes a linearly displaceable drive element for pivoting a pivot shaft that, when furniture drive is in a mounted position, is operatively connected to a part of the piece of furniture to be displaced, and drive element is connected in the manner of a crank mechanism via a rod-like power transmission element to pivot shaft, one end of which is connected to drive element in an articulated manner, however without displacing in the longitudinal direction of power transmission element, and other end of which is connected in an articulated manner to a crank pin of pivot shaft, the position and distance of coupling points of power transmission element on drive element and pivot shaft being selected such that power transmission element, during displacing movement, changes the angular position by more than 20°, preferably more than 40°.

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