A tolerance ring has a band with outwardly extending corrugated protrusions forming waves that engage an outer surface of a shaft. At one end of the tolerance ring is an inwardly flared guide surface extending axially and radially from the band. The guide surface acts as a tapered entrance to a bore
A tolerance ring has a band with outwardly extending corrugated protrusions forming waves that engage an outer surface of a shaft. At one end of the tolerance ring is an inwardly flared guide surface extending axially and radially from the band. The guide surface acts as a tapered entrance to a bore of a housing to assist during assembly.
대표청구항▼
1. A tolerance ring having a first axial end and a second axial end, comprising: a body having an axis, a hollow cylindrical shape, a body diameter, and an interior of the body defines a body load bearing area;a plurality of protrusions, all of which extend radially outward from the body relative to
1. A tolerance ring having a first axial end and a second axial end, comprising: a body having an axis, a hollow cylindrical shape, a body diameter, and an interior of the body defines a body load bearing area;a plurality of protrusions, all of which extend radially outward from the body relative to the axis, having a maximum protrusion diameter that exceeds the body diameter, and the protrusions define a protrusions load bearing area; anda guide surface having a tapered shape extending from a maximum guide diameter that does not exceed the maximum protrusion diameter toward a minimum guide diameter coincident with the body, wherein the guide surface is contiguous with the body load bearing area, the maximum guide diameter is coincident with the first axial end, and the first axial end is closer to the maximum guide diameter as compared to the minimum guide diameter,wherein: the body is spaced apart from the first axial end of the tolerance ring;the guide surface is disposed between the body and the first axial end;a portion of the body is disposed between the guide surface and the plurality of protrusions; andat least two protrusions of the plurality of protrusions lie along a same circumferential row. 2. The tolerance ring of claim 1, wherein all protrusions of the plurality of protrusions lie along the same circumferential row. 3. The tolerance ring of claim 1, wherein the guide surface has a funnel shape. 4. The tolerance ring of claim 1, wherein the guide surface defines an entire lateral surface of a frustoconical shape. 5. The tolerance ring of claim 1, wherein an angle of inclination of the guide surface relative to the axis is constant along a length of the guide surface. 6. The tolerance ring of claim 1, wherein an angle of inclination of the guide surface relative to the axis changes along a length of the guide surface. 7. The tolerance ring of claim 1, wherein the guide surface is curved with respect to the axis. 8. The tolerance ring of claim 1, wherein the plurality of protrusions is all of the protrusions of the tolerance ring, and wherein all of the protrusions of the tolerance ring are axially flanked by annular regions of the body that have no protrusions. 9. The tolerance ring of claim 1, wherein all of the guide surface extends from a maximum diameter to a minimum diameter and is visible when viewing the tolerance ring along the axis from the first axial end. 10. The tolerance ring of claim 1, wherein the guide surface is provided at only one end of the tolerance ring. 11. The tolerance ring of claim 1, wherein the guide surface extends from an entire circumference of the body. 12. The tolerance ring of claim 1, wherein an entrance of the guide surface lies along a plane that is slanted relative to the axis. 13. The tolerance ring of claim 1, wherein the portion of the body disposed between the guide surface and the plurality of protrusions is parallel to the axis. 14. The tolerance ring of claim 1, wherein a portion of the body is disposed between the second axial end of the tolerance ring and the plurality of protrusions. 15. The tolerance ring of claim 1, wherein the guide surface is sufficiently smooth to reduce the production of particles when an inner component slides against the guide surface. 16. A tolerance ring having a first axial end and a second axial end, comprising: a body having an axis, a hollow cylindrical shape, a body diameter, and an interior of the body defines a body load bearing area;a plurality of protrusions, all of which extend radially outward from the body relative to the axis, having a maximum protrusion diameter that exceeds the body diameter, and the protrusions define a protrusions load bearing area; anda guide surface extending from a maximum guide diameter that does not exceed the maximum protrusion diameter toward a minimum guide diameter coincident with the body, wherein the guide surface is contiguous with the body load bearing area, the maximum guide diameter is coincident with the first axial end, the first axial end is closer to the maximum guide diameter as compared to the minimum guide diameter, and the guide surface is curved with respect to the axis,wherein: the body is spaced apart from the first axial end of the tolerance ring;the guide surface is disposed between the body and the first axial end;a portion of the body is disposed between the guide surface and the plurality of protrusions; andat least two protrusions of the plurality of protrusions lie along a same circumferential row. 17. The tolerance ring of claim 16, wherein the plurality of protrusions is all of the protrusions of the tolerance ring, and wherein all of the protrusions of the tolerance ring are axially flanked by annular regions of the body that have no protrusions. 18. The tolerance ring of claim 16, wherein a portion of the body is disposed between the second axial end of the tolerance ring and the plurality of protrusions. 19. The tolerance ring of claim 16, wherein all protrusions of the plurality of protrusions lie along the same circumferential row. 20. The tolerance ring of claim 16, wherein the portion of the body disposed between the guide surface and the plurality of protrusions is parallel to the axis.
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Hellmann John V. (Anderson IN), Annular molded article secured to a shaft.
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Cramer ; Jr. Arthur A. (11 N. Grant St. Hinsdale IL 60521) Cramer Brian S. (R.R. 2 ; Box 174 Manhattan IL 60442), Tolerance ring and shim and method of use.
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