A shaft assembly includes a shaft, a nut, a nut lock ring and a tubular nut support ring. The shaft includes a nut base mounted on the shaft, and a plurality of protrusions that extend radially out from the nut base. Adjacent protrusions are circumferentially separated by a gap. The nut lock ring in
A shaft assembly includes a shaft, a nut, a nut lock ring and a tubular nut support ring. The shaft includes a nut base mounted on the shaft, and a plurality of protrusions that extend radially out from the nut base. Adjacent protrusions are circumferentially separated by a gap. The nut lock ring includes a tubular ring base connected axially between a plurality of first lock tabs and a plurality of second lock tabs. The ring base is disposed on the nut base. Each first lock tab extends radially inward through a respective one of the notches. Each second lock tab extends axially through a respective one of the gaps. The nut support ring is disposed on the ring base.
대표청구항▼
1. A shaft assembly, comprising: a shaft comprising a plurality of notches that extend axially into an end thereof;a spanner nut comprising a nut base and a plurality of protrusions, wherein the nut base is mounted on the shaft, the protrusions extend radially out from the nut base, and adjacent pro
1. A shaft assembly, comprising: a shaft comprising a plurality of notches that extend axially into an end thereof;a spanner nut comprising a nut base and a plurality of protrusions, wherein the nut base is mounted on the shaft, the protrusions extend radially out from the nut base, and adjacent protrusions are circumferentially separated by a gap;a nut lock ring comprising a tubular ring base connected axially between a plurality of first lock tabs and a plurality of second lock tabs, wherein the ring base is disposed on the nut base, each first lock tab extends radially inward through a respective one of the notches, and each second lock tab extends axially through a respective one of the gaps; anda tubular nut support ring disposed on the ring base. 2. The shaft assembly of claim 1, wherein the nut support ring comprises an outer radial support ring surface that extends, substantially parallel to a centerline of the shaft, between a first support ring end and a second support ring end. 3. The shaft assembly of claim 1, wherein the nut support ring extends axially between a first support ring end and a second support ring end, and an inner radial edge of at least one of the support ring ends comprises an eased geometry. 4. The shaft assembly of claim 1, wherein each first lock tab comprises an axially extending first base tab segment and a radially extending first end tab segment, wherein the first base tab segment is connected between the ring base and the first end tab segment, and wherein the first end tab segment extends through the respective notch. 5. The shaft assembly of claim 4, wherein the ring base comprises a nut contact segment that contacts the nut base, and the nut contact segment comprises a nut contact segment thickness that is less than a base tab segment thickness of the first base tab segment. 6. The shaft assembly of claim 1, wherein each second lock tab comprises a second base tab segment and a second end tab segment, the second base tab segment extends axially between the ring base and the second end tab segment, the second end tab segment extends through the respective gap, and the second end tab segment is canted radially outwards relative to the second base tab segment. 7. The shaft assembly of claim 1, wherein the nut lock ring is manufactured from a length of tube stock. 8. The shaft assembly of claim 1, wherein the nut lock ring is manufactured from sheet metal. 9. The shaft assembly of claim 1, wherein the nut support ring is manufactured from a length of tube stock. 10. The shaft assembly of claim 1, wherein the nut support ring is manufactured from sheet metal. 11. The shaft assembly of claim 1, wherein the shaft comprises an engine shaft for a gas turbine engine. 12. The shaft assembly of claim 11, further comprising a rotor disc mounted on the shaft, wherein the nut axially secures the rotor disc onto the shaft. 13. A shaft assembly, comprising: a shaft comprising a plurality of notches that extend axially into an end thereof;a nut comprising a nut base and a plurality of protrusions, wherein the nut base is mounted on the shaft, the protrusions extend radially out from the nut base, and adjacent protrusions are circumferentially separated by a gap;a nut lock ring comprising a tubular ring base connected axially between a plurality of first lock tabs and a plurality of second lock tabs, wherein the ring base is disposed on the nut base, each first lock tab extends radially inward through a respective one of the notches, and each second lock tab extends axially through a respective one of the gaps; anda tubular nut support ring disposed on the ring base;wherein the nut lock ring further comprises a third lock tab connected to the ring base, wherein the third lock tab extends radially outward, and the nut support ring is disposed axially between the third lock tab and the second lock tabs. 14. The shaft assembly of claim 13, wherein the third lock tab is disposed circumferentially between two respective first lock tabs. 15. A shaft assembly, comprising: a shaft comprising a plurality of notches that extend axially into an end thereof;a nut comprising a nut base and a plurality of protrusions, wherein the nut base is mounted on the shaft, the protrusions extend radially out from the nut base, and adjacent protrusions are circumferentially separated by a gap;a nut lock ring comprising a tubular ring base connected axially between a plurality of first lock tabs and a plurality of second lock tabs, wherein the ring base is disposed on the nut base, each first lock tab extends radially inward through a respective one of the notches, and each second lock tab extends axially through a respective one of the gaps; anda tubular nut support ring disposed on the ring base;wherein the shaft further comprises a threaded shaft segment, and the nut base comprises a threaded nut bore that is mated with the threaded shaft segment. 16. A shaft assembly, comprising: a shaft comprising a plurality of notches that extend axially into an end thereof;a nut comprising a nut base and a plurality of protrusions, wherein the nut base is mounted on the shaft, the protrusions extend radially out from the nut base, and adjacent protrusions are circumferentially separated by a gap;a nut lock ring comprising a tubular ring base connected axially between a plurality of first lock tabs and a plurality of second lock tabs, wherein the ring base is disposed on the nut base, each first lock tab extends radially inward through a respective one of the notches, and each second lock tab extends axially through a respective one of the gaps; anda tubular nut support ring disposed on the ring base;wherein the shaft further comprises a retainer flange that extends radially inward at the end of the shaft, and a retaining ring is disposed axially between the retainer flange and at least one of the first lock tabs to axially secure the nut lock ring onto the nut.
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이 특허에 인용된 특허 (8)
Blais, Daniel; Huppé, Roger, Arrangement for releasably holding a component in a fixed position on a shaft.
Cronin ; II Philip J. (Gladstone OR) Williams ; Jr. Lonnie G. (Portland OR) Dunlap Thomas F. (West Linn OR) Wood David C. (Vancouver WA), Spindle nut and locking device.
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