Eccentric clamping bushing

An eccentric clamping bushing having an eccentric geometry in a tensioned state and which supports a bushing axle that defines a central axis, the clamping bushing comprising:

• upper and lower shells which are arcuate and have ends that abut each other to form a bushing body, and in a cross sectional view of the bushing body, the bushing body has an oval-shaped outer contour, and is aligned along a vertical axis and a horizontal axis;
• each of the upper and the lower shells comprising, with respect to the central axis, a radially outer metal sheet and a radially inner metal sheet, and ends of the inner and the outer metal sheets of the upper shell abut respective ends of the inner and the outer metal sheets of the lower shell;
• in the cross sectional view of the bushing body, the inner metal sheets of the upper and the lower shells each have a semi-circular contour and form a circular cavity when the ends of the inner metal sheet of the upper shell abuts the respective ends of the inner metal sheet of the lower shell, the bushing axle is received within the cavity and mates with the inner metal sheets of the upper and the lower shells;
• each of the upper and the lower shells comprises two arcuate lateral layer segments and an arcuate central layer segment, the two lateral layer segments and the central layer segment are arranged in the respective upper and the lower shells such that, in the cross sectional view of the bushing body, the central layer segment is aligned along the vertical axis and between the two lateral layer segments;
• the two lateral layer segments of each of the upper and the lower shells comprises a plurality of elastomer layers and at least one intermediate metal sheet which, in the cross sectional view of the bushing body, are radially, alternately layered such that the at least one intermediate metal sheet of the respective two lateral layer segments is radially layered between the plurality of elastomer layers of the respective two lateral layer segments;
• the central layer segment of each of the upper and the lower shells comprises a plurality of layers including arcuate elastomer layers, and at least one intermediate metal sheet which, in the cross sectional view of the bushing body, are radially, alternately layered with each other;
• in the cross sectional view of the bushing body, the bushing body has a vertical outer dimension, that is delineated along the vertical axis from a top of the upper shell to a bottom of the lower shell, and a transverse outer dimension, that is delineated along the horizontal axis from an exterior left side of the bushing body to an exterior right side of the bushing body, and the vertical outer dimension is greater than the transverse outer dimension;
• and
• in the cross sectional view of the bushing body, the bushing body has a vertical thickness that is delineated along the vertical axis between the outer and the inner metal sheets of the respective upper and the lower shells, and a lateral thickness that is delineated along the horizontal axis between the outer and the inner metal sheets of the respective upper and the lower shells, and the vertical thickness is greater than the lateral thickness, in the cross sectional view of the bushing body, the bushing body has the oval-shaped contour in both the tensioned state and an un-tensioned state.

An eccentric clamping bushing having an eccentric geometry in a tensioned state and which supports a bushing axle that defines a central axis, the clamping bushing comprising:

• upper and lower shells which are arcuate and have ends that abut each other to form a bushing body, and in a cross sectional view of the bushing body, the bushing body has an oval-shaped outer contour, and is aligned along a vertical axis and a horizontal axis;
• each of the upper and the lower shells comprising, with respect to the central axis, a radially outer metal sheet and a radially inner metal sheet, and ends of the inner and the outer metal sheets of the upper shell abut respective ends of the inner and the outer metal sheets of the lower shell;
• in the cross sectional view of the bushing body, the inner metal sheets of the upper and the lower shells each have a semi-circular contour and form a circular cavity when the ends of the inner metal sheet of the upper shell abuts the respective ends of the inner metal sheet of the lower shell, the bushing axle is received within the cavity and mates with the inner metal sheets of the upper and the lower shells;
• each of the upper and the lower shells comprises two arcuate lateral layer segments and an arcuate central layer segment, the two lateral layer segments and the central layer segment are arranged in the respective upper and the lower shells such that, in the cross sectional view of the bushing body, the central layer segment is aligned along the vertical axis and between the two lateral layer segments;
• the two lateral layer segments of each of the upper and the lower shells comprise at least two elastomer layers and at least one intermediate metal sheet which, in the cross sectional view of the bushing body, are radially, alternately layered such that the at least one intermediate metal sheet of the respective two lateral layer segments is radially layered between the at least two elastomer layers of the respective two lateral layer segments;
• the central layer segment of each of the upper and the lower shells comprises at least first, second and third arcuate elastomer layers, and a plurality of intermediate metal sheets which, in the cross sectional view of the bushing body, are radially, alternately layered with each other, the first elastomer layer has an arc length that is greater than a radial thickness of the first elastomer layer;
• in the cross sectional view of the bushing body, the bushing body has a vertical outer dimension, that is delineated along the vertical axis from a top of the upper shell to a bottom of the lower shell, and a transverse outer dimension, that is delineated along the horizontal axis from an exterior left side of the bushing body to an exterior right side of the bushing body, the vertical outer dimension is greater than the transverse outer dimension, and, in the cross sectional view of the bushing body, a distance along the horizontal axis from the central axis to the outer metal sheets of the upper and the lower shells is smaller than a distance along the vertical axis from the central axis to the outer metal sheets of the upper and the lower half-shell elements;
• and
• in the cross sectional view of the bushing body, the central layer segments of the upper and the lower shells, respectively, have a vertical thickness that is delineated along the vertical axis between the outer and the inner metal sheets thereof, and each of the two lateral layer segments of the upper and the lower shells has a lateral thickness that is delineated along the horizontal axis between the outer and the inner metal sheets thereof, and the vertical thickness of the central layer segments of the upper and the lower shells is greater than the lateral thickness of the two lateral layer segments of the upper and the lower shells, such that, in the cross sectional view of the bushing body, the bushing body has the oval-shaped contour in both the tensioned state and an un-tensioned state.

An eccentric clamping bushing having an eccentric geometry in a tensioned state and which supports a bushing axle that defines a central axis, the clamping bushing comprising:

• upper and lower shells which are arcuate and have ends that abut each other to form a bushing body, and in a cross sectional view of the bushing body, the bushing body has an oval-shaped outer contour, and is aligned along a vertical axis and a horizontal axis;
• each of the upper and the lower shells comprising, with respect to the central axis, a radially outer metal sheet and a radially inner metal sheet, and ends of the inner and the outer metal sheets of the upper shell abut respective ends of the inner and the outer metal sheets of the lower shell;
• in the cross sectional view of the bushing body, the inner metal sheets of the upper and the lower shells each have a semi-circular contour and form a circular cavity when the ends of the inner metal sheet of the upper shell abut the respective ends of the inner metal sheet of the lower shell, the bushing axle is received within the cavity and mates with the inner metal sheets of the upper and the lower shells;
• each of the upper and the lower shells comprises two arcuate lateral layer segments and an arcuate central layer segment, the two lateral layer segments and the central layer segment are arranged in the respective upper and the lower shells such that, in the cross sectional view of the bushing body, the central layer segment is aligned along the vertical axis and between the two lateral layer segments;
• each of the two lateral layer segments of the upper and the lower shells comprise two elastomer layers and one intermediate metal sheet which, in the cross sectional view of the bushing body, are radially, alternately layered such that the intermediate metal sheet of the respective two lateral layer segments is radially layered between the two elastomer layers of the respective two lateral layer segments;
• the central layer segment of each of the upper and the lower shells comprises at least first, second and third arcuate elastomer layers, and at least two intermediate metal sheets which, in the cross sectional view of the bushing body, are radially, alternately layered with each other, the first elastomer layer has an arc length that is greater than a radial thickness of the first elastomer layer;
• in the cross sectional view of the bushing body, the bushing body has a vertical outer dimension, that is delineated along the vertical axis from a top of the upper shell to a bottom of the lower shell, and a transverse outer dimension, that is delineated along the horizontal axis from an exterior left side of the bushing body to an exterior right side of the bushing body, a ratio of the vertical outer dimension to the transverse outer dimension is 1.2 to 1.5, and, in the cross sectional view of the bushing body, a distance along the horizontal axis from the central axis to the outer metal sheets of the upper and the lower shells is smaller than a distance along the vertical axis from the central axis to the outer metal sheets of the upper and the lower shells;
• and
• in the cross sectional view of the bushing body, the central layer segments of the upper and the lower shells, respectively, have a vertical thickness that is delineated along the vertical axis between the outer and the inner metal sheets thereof, and each of the two lateral layer segments of the upper and the lower shells has a lateral thickness that is delineated along the horizontal axis between the outer and the inner metal sheets thereof, and a ratio of the vertical thickness to the lateral thickness is 1.5 to 2.5, such that, in the cross sectional view of the bushing body, the bushing body has the oval-shaped contour in both the tensioned state and an un-tensioned state.