Suspension device in agricultural implement

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United States of America Patent

PATENT NO 9609798
SERIAL NO

14423104

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Abstract

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The present document shows a spring suspension device for an agricultural implement, including a casing, a beam extending through the casing, and four spring elements disposed in a space between the casing and the beam. The casing and the beam are resiliently rotatable relative to each other about a rotational axis extending along a longitudinal direction of the beam. The spring elements differ substantially from each other with respect to shape or material properties, and first and second side faces of the beam, which interact with the respective spring elements, differ substantially from each other with respect to the radius of curvature, viewed in a plane perpendicular to the longitudinal direction.

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Patent Owner(s)

  • VADERSTAD-VERKEN AKTIEBOLAG;VÄDERSTAD HOLDING AB

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sandberg, Bengt Vadstena, SE 7 32

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