A bearing for providing rotation of at least one intermediate part relative to a first part and a second part includes a first bearing race formed in the first part, the first bearing race having a raceway corresponding to a first diameter, and a second bearing race and a third bearing race formed i
A bearing for providing rotation of at least one intermediate part relative to a first part and a second part includes a first bearing race formed in the first part, the first bearing race having a raceway corresponding to a first diameter, and a second bearing race and a third bearing race formed in the at least one intermediate part, the second bearing race and third bearing race having a raceway corresponding to a second diameter, wherein the first diameter is different from the second diameter. Further, a fourth bearing race is formed in the second part, the fourth bearing race having a raceway corresponding to the first diameter. A first plurality of roller elements are arranged between the first raceway and the second raceway, and a second plurality of roller elements are arranged between the third raceway and the fourth raceway.
대표청구항▼
1. A bearing for providing rotation of at least one intermediate part relative to a first part and a second part, the bearing comprising: a first bearing race formed in the first part, the first bearing race having a raceway corresponding to a first diameter;a second bearing race and a third bearing
1. A bearing for providing rotation of at least one intermediate part relative to a first part and a second part, the bearing comprising: a first bearing race formed in the first part, the first bearing race having a raceway corresponding to a first diameter;a second bearing race and a third bearing race formed in the at least one intermediate part, the second bearing race and third bearing race having a raceway corresponding to a second diameter, wherein the first diameter is different from the second diameter;a fourth bearing race formed in the second part, the fourth bearing race having a raceway corresponding to the first diameter;a first plurality of roller elements arranged between the first raceway and the second raceway; anda second plurality of roller elements arranged between the third raceway and the fourth raceway. 2. The bearing according to claim 1, wherein a diameter of the first plurality of roller elements is an average of the first diameter and the second diameter. 3. The bearing according to claim 1, wherein a diameter of the second plurality of roller elements is an average of the first diameter and the second diameter. 4. The bearing according to claim 1, wherein at least one of i) the first race and the first part are formed from the same material,ii) the second race, the third raceway and the at least one intermediate part are formed from the same material, oriii) the fourth race and the second part are formed from the same material. 5. The bearing according to claim 1, wherein at least one race is formed from at least one of aluminum, steel, titanium, ceramic or plastic. 6. The bearing according to claim 1, wherein the first plurality of roller elements and the second plurality of roller elements are formed from steel, aluminum, titanium, ceramic or plastic. 7. The bearing according to claim 1, further comprising: a support structure arranged relative to the first part; anda biasing member arranged between the support structure and the first part, the biasing member urging the first part toward the second part to preload the first part, the at least one intermediate part and the second part. 8. The bearing according to claim 7, further comprising an outer housing, wherein the first part, the at least one intermediate part and the second part are arranged between the base structure and the outer housing. 9. The bearing according to claim 7, wherein the biasing member comprises a spring. 10. The bearing according to claim 9, wherein the spring comprises a wave spring. 11. The bearing according to claim 1, wherein a difference between the first diameter and the second diameter is between four-thousandths of an inch and eight-thousandths of an inch. 12. The bearing according to claim 1, wherein the at least one intermediate part comprises a plurality of intermediate parts arranged in a stacked configuration between the first part and the second part, each of the plurality of intermediate parts including two raceways corresponding to either the first diameter or the second diameter, wherein raceways of adjacent parts correspond to different diameters. 13. An antenna, comprising: at least one platter; andthe bearing according to claim 1, wherein the at least one platter is mechanically coupled to the at least one intermediate part. 14. The antenna according to claim 13, wherein the at least one platter comprises a plurality of platters, and the at least one intermediate part comprises a plurality of intermediate parts, each of the plurality of platters mechanically connected to a respective one of the plurality of intermediate parts. 15. A method of manufacturing a thrust bearing integral with an object to be rotated, the object including a first part, at least one intermediate part, and a second part, the method comprising: forming a first bearing race in the first part, the first bearing race having a raceway corresponding to a first diameter;forming a second bearing race and a third bearing race in the at least one intermediate part, the second bearing race and third bearing race having a raceway corresponding to a second diameter, wherein the first diameter is different from the second diameter;forming a fourth bearing race in the second part, the fourth bearing race having a raceway corresponding to the first diameter;arranging a first plurality of roller elements between the first raceway and the second raceway; andarranging a second plurality of roller elements between the third raceway and the fourth raceway.
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이 특허에 인용된 특허 (11)
Dambaugh, Gabriel; Ingerslew, Jim, Bearing arrangement for absorbing axial loads.
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