Tube expanding tool
US4425783A · kind A · utility
19Cited by
3References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 27, 1981 |
| Grant date | Jan 17, 1984 |
| Priority date | — |
| Expiry date | Mar 27, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D41/026
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A tube expanding tool of a type having a body (1) with a pair of handles (3,26) arranged to move a tapered drift (15) into radially expandable jaws, characterized by a push rod (17) hingedly connected to the drift (15) and engaging a cam face (25) on the handle (26) pivoted on the body (1) to have the point of contact between the face (27) on the push rod (17) and the cam face (25) of the lever (26) positioned on, or adjacent to, the axis of movement of the drift (15).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.