Frame of motorcycle and engine bracket
US7637345B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2005 |
| Grant date | Dec 29, 2009 |
| Priority date | — |
| Expiry date | Jan 12, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62K11/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A frame of a motorcycle includes a head pipe configured to support a steering shaft, a first frame configured to extend from the head pipe, through above and rearward of an engine, and to rearward of a vehicle body, a second frame that is located under the first frame and configured to extend from the head pipe, through forward and downward of the engine, and to rearward of the vehicle body, a bracket by which a first component is mounted to the second frame, and a coupling member that is mounted to the second frame to couple a second component to the second frame, and the bracket is integral with the coupling member. An engine bracket of a motorcycle is manufactured by forging such that a region subjected to tensile stress is made thicker than a region in the vicinity of the region which is subjected to the tensile stress.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.