IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0219069
(2005-09-02)
|
등록번호 |
US-7478695
(2009-01-20)
|
발명자
/ 주소 |
- Leppanen,Robert L.
- Curtis,Brian M.
- Arndt,Michael T.
- Duvernell,Peter J.
- Duley,Michael
- Schanz,John W.
|
출원인 / 주소 |
- Harley Davidson Motor Company Group, Inc.
|
대리인 / 주소 |
Michael Best & Friedrich LLP
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
8 |
초록
▼
A motorcycle power transmission assembly including an engine, a transmission, a drive assembly, and a starter assembly. The engine includes a crankcase, and the transmission includes a transmission case coupled to the crankcase to define an engine-transmission assembly. The drive assembly includes
A motorcycle power transmission assembly including an engine, a transmission, a drive assembly, and a starter assembly. The engine includes a crankcase, and the transmission includes a transmission case coupled to the crankcase to define an engine-transmission assembly. The drive assembly includes a drive housing coupled to the engine-transmission assembly to define a drive chamber. The drive housing including an opening, and the drive assembly further includes a starter gear. The starter assembly is mounted to the drive housing and includes a nose portion that extends through the opening. The nose portion includes a pinion gear adapted to engage the starter gear.
대표청구항
▼
What is claimed is: 1. A motorcycle power transmission assembly comprising: an engine having a crankcase; a transmission having a transmission case coupled to the crankcase to define an engine-transmission assembly; a drive assembly including a drive housing coupled to the engine-transmission assem
What is claimed is: 1. A motorcycle power transmission assembly comprising: an engine having a crankcase; a transmission having a transmission case coupled to the crankcase to define an engine-transmission assembly; a drive assembly including a drive housing coupled to the engine-transmission assembly and defining a drive chamber, the drive housing including an opening, and the drive assembly further including a starter gear; and a starter assembly mounted to the drive housing and including a nose portion that extends through the opening, the nose portion including a pinion gear adapted to engage the starter gear; wherein the drive housing includes an inner housing and an outer housing, wherein the inner housing is mounted to the engine-transmission assembly, wherein the outer housing is mounted to the inner housing, and wherein the starter assembly is mounted to the inner housing. 2. The motorcycle power transmission assembly of claim 1, wherein the starter assembly is secured to the drive housing by two fasteners. 3. The motorcycle power transmission assembly of claim 1, wherein the starter assembly is mounted only to the drive housing and is not directly supported by the engine-transmission assembly. 4. The motorcycle power transmission assembly of claim 1, wherein the engine-transmission assembly includes a crank chamber defined by the crankcase, a transmission chamber defined by the transmission case, and a crankcase-transmission interface extending between and separating the crank chamber and the transmission chamber. 5. The motorcycle power transmission assembly of claim 4, wherein the drive housing is coupled to the crankcase to define a substantially planar crankcase-drive housing interface, wherein the crankcase-transmission interface is substantially planar, and wherein the crankcase-drive housing interface is substantially normal to the crankcase-transmission interface. 6. The motorcycle power transmission assembly of claim 1, wherein the nose portion includes a cylindrical portion and the drive housing includes a cylindrical surface that defines the opening, the motorcycle engine further comprising an O-ring seal between the cylindrical portion and the cylindrical surface. 7. The motorcycle power transmission assembly of claim 1, wherein the drive assembly includes a clutch assembly supported for rotation within the drive housing, and wherein the starter gear is coupled to the clutch assembly. 8. A motorcycle comprising: a frame; a steering assembly pivotally coupled to the frame; a front wheel coupled to the steering assembly and supporting a forward portion of the motorcycle; a rear wheel coupled to the frame and supporting a rearward portion of the motorcycle; a power transmission assembly coupled to the frame, the power transmission assembly including: an engine having a crankcase; a transmission having a transmission case coupled to the crankcase to define an engine-transmission assembly; a drive assembly including a drive housing coupled to the engine-transmission assembly and defining a drive chamber, the drive housing including an opening, and the drive assembly further including a starter gear; and a starter assembly mounted to the drive housing and including a nose portion that extends through the opening, the nose portion including a pinion gear adapted to engage the starter gear; wherein the drive housing includes an inner housing and an outer housing, wherein the inner housing is mounted to the engine-transmission assembly, wherein the outer housing is mounted to the inner housing, and wherein the starter assembly is mounted to the inner housing. 9. The motorcycle of claim 8, wherein the starter assembly is secured to the drive housing by two fasteners. 10. The motorcycle of claim 8, wherein the starter assembly is mounted only to the drive housing and is not directly supported by the engine-transmission assembly. 11. The motorcycle of claim 8, wherein the engine-transmission assembly includes a crank chamber defined by the crankcase, a transmission chamber defined by the transmission case, and a crankcase-transmission interface extending between and separating the crank chamber and the transmission chamber. 12. The motorcycle of claim 11, wherein the drive housing is coupled to the crankcase to define a substantially planar crankcase-drive housing interface, wherein the crankcase-transmission interface is substantially planar, and wherein the crankcase-drive housing interface is substantially normal to the crankcase-transmission interface. 13. The motorcycle of claim 8, wherein the nose portion includes a cylindrical portion and the drive housing includes a cylindrical surface that defines the opening, the motorcycle engine further comprising an O-ring seal between the cylindrical portion and the cylindrical surface. 14. The motorcycle of claim 8, wherein the drive assembly includes a clutch assembly supported for rotation within the drive housing, and wherein the starter gear is coupled to the clutch assembly.
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