Crank
US4838116A · kind A · utility
12Cited by
3References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 1988 |
| Grant date | Jun 13, 1989 |
| Priority date | — |
| Expiry date | Aug 16, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2175
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a crank, a tri-iron tetroxide thin film is formed over at least one of the inner surface of a hole formed in a crank arm and one end of a crank pin, and the end of the crank pin is press fitted into the hole formed in the crank arm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.