IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0435641
(2003-05-09)
|
우선권정보 |
DE-0020715 (2002-05-10) |
발명자
/ 주소 |
- Weckerling, Thomas
- Maucher, Stephan
- Gremmelmaier, Anna
- Taureg, Herbert
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
2 |
초록
▼
A driveshaft having at least one counter-track joint, the joint having an outer joint part (11), an inner joint part (21), torque-transmitting balls (36) accommodated in pairs of tracks, and a ball cage with cage windows in which the balls are held in a common plane. First outer tracks and first inn
A driveshaft having at least one counter-track joint, the joint having an outer joint part (11), an inner joint part (21), torque-transmitting balls (36) accommodated in pairs of tracks, and a ball cage with cage windows in which the balls are held in a common plane. First outer tracks and first inner tracks form first pairs of tracks which diverge from one another when viewed in a first axial direction towards the connection end of the inner joint part (21) and hold first balls. Second outer tracks and second inner tracks form second pairs of tracks which diverge from one another when viewed in a second axial direction towards the connection end of the outer joint part 11 and hold second balls. The first pairs of tracks are positioned radially opposite each other and the second pairs of tracks are positioned radially opposite each other.
대표청구항
▼
1. A driveshaft having two constant velocity joints and an intermediate shaft, wherein at least one of the joints is a constant velocity fixed bail joint in the form of a counter-track joint, the joint comprising:an outer joint part with outer tracks; an inner joint part with inner tracks; torque-tr
1. A driveshaft having two constant velocity joints and an intermediate shaft, wherein at least one of the joints is a constant velocity fixed bail joint in the form of a counter-track joint, the joint comprising:an outer joint part with outer tracks; an inner joint part with inner tracks; torque-transmitting balls accommodated in pairs of tracks; and a ball cage with cage windows in which the balls are held in a common plane and are guided on to the angle-bisecting plane when the joint is articulated, wherein first outer tracks, together with first inner tracks, form first pairs of tracks which diverge from one another viewed in a first axial direction (R1) towards a connection end of the inner joint part and hold first balls, wherein second outer tracks, together with second inner tracks, form second pairs of tracks which diverge from one another in a second axial direction (R2) towards a connection end of the outer joint part and hold second balls, wherein said first axial direction (R1) is opposite to said second axial direction (R2), wherein first pairs of tracks are positioned radially opposite other first pairs of tracks and second pairs of tracks are positioned radially opposite other second pairs of tracks, wherein, in said counter-track joint, first pairs of tracks and second pairs of tracks are alternately arranged around the circumference of the counter-track joint, and wherein the counter-track joint comprises eight pairs of tracks. 2. A driveshaft according to claim 1, wherein, at its connection end, the outer joint part of said counter-track joint comprises an integrally formed-on joint base.3. A driveshaft according to claim 2, wherein, at its connection end, the inner joint part of said counter-track joint is connected to the intermediate shaft of the driveshaft.4. A driveshaft according to claim 2, wherein the intermediate shaft comprises an axial displacement unit.5. A driveshaft according to claim 1, wherein, at its connection end, the inner joint part of said counter-track joint is connected to the intermediate shaft of the driveshaft.6. A driveshaft according to claim 5, wherein the intermediate shaft comprises an axial displacement unit.7. A driveshaft according to claim 1, wherein the intermediate shaft comprises an axial displacement unit.8. A driveshaft assembly comprising:an intermediate shaft; a first constant velocity joint connected to one end of the intermediate shaft; and a second constant velocity fixed ball joint in the form of a counter-track joint connected to the other end of the intermediate shaft, the counter-track joint comprising an outer joint part having first and second outer tracks, an inner joint part having first and second inner tracks, and a ball cage with cage windows in which torque-transmitting balls are held in a common plane and are guided on to an angle-bisecting plane when the joint is articulated, said first outer tracks and first inner tracks forming first pairs of tracks which diverge from one another in a first axial direction (R1) towards the connection end of the inner joint part and hold first balls, said second outer tracks and second inner tracks forming second pairs of tracks which diverge from one another in a second axial direction (R2) towards the connection end of the outer joint part and hold second balls, wherein said first axial direction (R1) is opposite to said second axial direction (R2), wherein each first pair of tracks is radially opposite another first pair of tracks and each second pair of tracks is radially opposite another second pair of tracks, wherein the first pairs of tracks and second pairs of tracks are circumferentially alternately arranged around the counter-track joint, and wherein the counter-track joint comprises four each of said first and second pairs of tracks. 9. A driveshaft assembly according to claim 8 wherein the intermediate shaft comprises an axial displacement unit.10. A driveshaft assembly according to claim 8 wherein the outer joint part comprises an integrally formed-on joint base, and said inner joint part is connected to the intermediate shaft.
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