Stock restraining effect adjusting mechanism of a stock guide for use with a rolling mill
US4211095A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 8, 1979 |
| Grant date | Jul 8, 1980 |
| Priority date | — |
| Expiry date | Jan 8, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21B39/165
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In a roller type stock guide of the type including, among others, a cylindrical nut member having threaded connections of opposite hands with a pair of threaded shafts and, being arranged between the two roller holder levers, operable to turn the latter in opposite directions thereby to vary the distance between the guide rollers, a ratchet type nut driving mechanism is provided which includes a ratchet wheel formed around the cylindrical nut integrally therewith, a pair of ratchet pawls movable into and out of meshing engagement with the ratchet wheel in alternate fashion under the action of a manually operable control cam, and a notching lever handle manually operable to turn the ratchet wheel and cylindrical nut in an intermittent fashion through the intermediary of either one of the ratchet pawls as placed in mesh with the ratchet wheel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.