A tolerance ring is disclosed and can include a strip of material having a length, a first end, a second end opposite the first end, and a plurality of radially extending projections between the first and second ends. The strip of material can be curved into a ring having a gap. The radially extendi
A tolerance ring is disclosed and can include a strip of material having a length, a first end, a second end opposite the first end, and a plurality of radially extending projections between the first and second ends. The strip of material can be curved into a ring having a gap. The radially extending projections are configured to be compressible between a bore and a shaft. A width and/or a height of a radially extending projection closest to the first end is different from a width and/or a height of a radially extending projection closest to a line extending perpendicular to the length and bisecting the strip of material within a circumferential row of the radially extending projections.
대표청구항▼
1. An apparatus comprising: an inner component;an outer component; anda tolerance ring located between the inner and outer components to provide an interference fit there between, the tolerance ring comprising a strip of material having a length, a first end, a second end opposite the first end, and
1. An apparatus comprising: an inner component;an outer component; anda tolerance ring located between the inner and outer components to provide an interference fit there between, the tolerance ring comprising a strip of material having a length, a first end, a second end opposite the first end, and a plurality of radially extending projections between the first and second ends, the strip of material being curved into a ring having a gap, the radially extending projections being compressible between the inner and outer components, wherein a size of a radially extending projection closest to the first end is different from a size of a radially extending projection closest to a line extending perpendicular to the length and bisecting the strip of material within a circumferential row of the radially extending projections. 2. The apparatus of claim 1, wherein the strip of material includes an unformed region from which the plurality of projections extend. 3. The apparatus of claim 2, wherein the unformed region abuts one of the inner and outer components, and the plurality of projections abut the other of the inner and outer components. 4. The apparatus of claim 1, wherein the tolerance ring includes one or more rows of radially extending projections, axially spaced from one another. 5. The apparatus of claim 1, wherein the plurality of radially extending projections includes one or more edge projections located adjacent to the gap and a plurality of body projections located around the circumference of the ring. 6. The apparatus of claim 5, wherein a width of each edge projection is narrower than a width of each body projection. 7. The apparatus of claim 6, wherein a width of the body projections decrease towards the edge projections. 8. The apparatus of claim 1, wherein the tolerance ring has a stiffness profile that provides an even force around the inner component. 9. The apparatus of claim 1, wherein the size of each radially extending projection includes a circumferential width or a radial height. 10. A preassembly apparatus for a hard disk drive pivot joint comprising: an arm having a bore therein or a shaft receivable in a bore; anda tolerance ring mounted either within the bore or around the shaft, the tolerance ring comprising a strip of material having a length, a first end, a second end opposite the first end, and a plurality of radially extending projections between the first and second ends, the strip of material being curved into a ring having a gap, the radially extending projections being compressible between the bore and the shaft, wherein a size of a radially extending projection closest to the first end is different from a size of a radially extending projection closest to a line extending perpendicular to the length and bisecting the strip of material within a circumferential row of the radially extending projections. 11. The apparatus of claim 10, wherein the strip of material includes an unformed region from which the plurality of projections extend wherein the unformed region abuts one of bore and the shaft, and the plurality of projections abut the other of the bore and the shaft. 12. The apparatus of claim 10, wherein the plurality of radially extending projections extend radially inward. 13. The apparatus of claim 10, wherein the plurality of radially extending projections extend radially outward. 14. The apparatus of claim 10, wherein the tolerance ring has a stiffness profile that provides an even force around the shaft. 15. The apparatus of claim 10, wherein the tolerance ring has a diameter of less than 16 mm in use. 16. A tolerance ring comprising: a strip of material having a length, a first end, a second end opposite the first end, and a plurality of radially extending projections between the first and second ends, the strip of material being curved into a ring having a gap, the radially extending projections being compressible between a bore and a shaft, wherein a width and/or a height of a radially extending projection closest to the first end is different from a width and/or a height of a radially extending projection closest to a line extending perpendicular to the length and bisecting the strip of material within a circumferential row of the radially extending projections. 17. The tolerance ring of claim 16, wherein the width of each projection comprises a circumferential width. 18. The tolerance ring of claim 17, wherein the circumferential width of the radially extending projection closest to the first end is less than the circumferential width of the radially extending projection closest to the line extending perpendicular to the length and bisecting the strip of material. 19. The tolerance ring of claim 18, wherein the height of each radially extending projection comprises a radial height. 20. The tolerance ring of claim 19, wherein the radial height of the radially extending projection closest to the first end is greater than the radial height of the radially extending projection closest to the line extending perpendicular to the length and bisecting the strip of material.
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이 특허에 인용된 특허 (17)
Blanks John B. (Edmond OK), Compliant pivot mechanism for a rotary actuator.
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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