Piping structure of a working machine
US6408875B1 · kind B1 · utility
7Cited by
10References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2001 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Oct 10, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86268
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A piping structure of a working machine, which prevents the piping at a coupling portion where a pair of members are swingably coupled together via a shaft, from being damaged.The piping structure comprises a swivel joint which is a rotary joint for fluid and is disposed, on the outer side in the radial direction of a shaft of a coupling portion where a pair of members are swingably coupled together via said shaft, so as to swing on axis of swinging motion as a center of rotation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.