IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0830774
(2001-07-11)
|
| 우선권정보 |
DE-0051825 (1998-11-10) |
| 국제출원번호 |
PCT/EP99/08609
(1999-11-10)
|
| 국제공개번호 |
WO00/27490
(2000-05-18)
|
|
발명자
/ 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 |
피인용 횟수 :
1 인용 특허 :
7 |
초록
▼
The present invention relates to a running wheel arrangement having a hub and a running wheel, which is rotatably supported on the hub. Furthermore, the hub includes an internal hub and an external hub which are provided substantially in a manner fixed for co-rotation and which are displaceable agai
The present invention relates to a running wheel arrangement having a hub and a running wheel, which is rotatably supported on the hub. Furthermore, the hub includes an internal hub and an external hub which are provided substantially in a manner fixed for co-rotation and which are displaceable against each other in the radial direction. The running wheel further includes a spring which is provided between the internal hub and the external hub.
대표청구항
▼
The present invention relates to a running wheel arrangement having a hub and a running wheel, which is rotatably supported on the hub. Furthermore, the hub includes an internal hub and an external hub which are provided substantially in a manner fixed for co-rotation and which are displaceable agai
The present invention relates to a running wheel arrangement having a hub and a running wheel, which is rotatably supported on the hub. Furthermore, the hub includes an internal hub and an external hub which are provided substantially in a manner fixed for co-rotation and which are displaceable against each other in the radial direction. The running wheel further includes a spring which is provided between the internal hub and the external hub. Pend Pat App, Joseph A. Zupanick et al., "Method and System for Accessing a Subterranean Zone From a Limited Surface Area," SN 09/774,996 (067083.0120), Filed Jan. 30, 2001. Weiguo Chi & Luwu Yang, "Feasibility of Coalbed Methane Exploitation in China," Horizontal Well Technology, p. 74, Sep. 2001. Gopal Ramaswamy, "Production History Provides CBM Insights," Oil & Gas Journal pp. 49, 50 & 52, Apr. 02, 2001. Nackerud Product Description, Rec'd Sep. 27, 2001. Gopal Ramaswamy, "Advances Key For Coalbed Methane," The American Oil & Gas Reporter, pp. 71 & 73, Oct. 2001. Susan Eaton, "Reversal of Fortune", New Technology Magazine, pp. 30-31 Sep. 2002. James Mahony, "A Shadow of Things to Come", New Technology Magazine, pp. 28-29 Sep. 2002. Documents Received from Third Party, Great Lakes Directional Drilling, Inc., (12 pages) Received Sep. 12, 2002.
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