Patent ID: 6715183
Filing Date: 2004-04-06
Classification: E05D,E05F,E05Y,Y10T

Abstract:
A spring-loaded hinge for furniture doors comprising inner and outer hinge links each having a first and second end, each pivotably hinged to a first and second hinge pin on a door-related mounting part at the first end and to an extended supporting arm at the second end, wherein the extended supporting arm, when swiveling from a closed position to an open position, is movable over a dead center position, wherein in the dead center position, the extended supporting arm is biased toward both the closed and open position by a torsion coil spring,the torsion coil spring, disposed in a door-side end region of the extended supporting arm, being formed as a double leg spring comprising an inner double leg of two parallel leg arms, which protrude between two groups of outer spring coils from a single inner spring coil, the leg arms being integrally connected with one another by a cross member, the double leg spring further comprising two outer legs, each protruding from a respective outermost spring coil of each group, the two outer legs engaging a supporting arm-side extension of the outer hinge link remote from the door-related mounting part, the supporting arm-side extension forming a lever arm with respect to a supporting arm-side swiveling axis of the outer hinge link, the inner double leg being supported at the first hinge pin supporting the inner hinge link in the supporting arm, wherein the ends of the two outer legs, protruding from the respective outermost spring coil of each group, being rotatable about an axis extending parallel to the axis of the second hinge pin supporting the outer hinge link in the supporting arm, are disposed in a recess of the supporting arm-side extension of the outer hinge link, wherein the inner double leg, at its free end connected by the cross member, is constructed arc-shaped and, through a central recess in a supporting arm-side pivot eye of the inner hinge link, embraces the first hinge pin of the supporting arm, which first hinge pin pivotably supports the inner hinge link, at least partially, and the first hinge pin holds the inner hinge link so that the inner hinge link can rotate on the first hinge pin, and the double leg spring being held exclusively by the inner double leg and the two outer legs in the supporting arm.