Positive retracting mechanical expansible shaft
US4492346A · kind A · utility
12Cited by
8References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 28, 1983 |
| Grant date | Jan 8, 1985 |
| Priority date | — |
| Expiry date | Feb 28, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H75/242
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An expansible shaft in which a screw that is rotationally and axially movable relative to the housing is rotatably connected to the operating rod so that clockwise screw rotation moves the rod axially in one direction and counterclockwise screw rotation moves the rod axially in the opposite direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.