Patent ID: 8919723

Claim:
A device for adjusting the length of a connecting rod comprising: a bushing positioned inside an eye of the connecting rod, the bushing comprising first and second metallic cylinders facing each other and being symmetric to each other with respect to a first plane passing through an axis of the connecting rod, the first and second metallic cylinders each including a bore, each bore having an axis oriented perpendicular to the axis of the connecting rod, the axes of the bores being aligned with each other; and first and second elastomeric cylinders homothetic with and surrounding the first and second metallic cylinders, respectively, wherein generatrices of the metallic and elastomeric cylinders are oriented in a direction that is inclined with respect to the axis of the connecting rod, and wherein a space is provided between internal faces of the first and second metallic cylinders facing each other, the space presenting a disc shape with parallel faces.