Combined hollow grinder, sharpener and honer
US4607459A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 10, 1984 |
| Grant date | Aug 26, 1986 |
| Priority date | — |
| Expiry date | Aug 10, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B3/36
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A portable grinder, honer and polishing machine is provided which has a horizontally rotating cylindrical grinding wheel continuously cleaned of swarf and wetted by a porous wiper extending into a liquid reservoir in the grinder housing. A tool rest with a phantom pivot point is pivotally and laterally movable relative to the grinding wheel and carries a tool guide protractor which permits accurate horizontal angular positioning of a tool being sharpened. A scissors blade guide is provided to precisely sharpen scissors and a retaining leg is pivotable into an operative position to hold the grinder stationary on a work surface. A tool stop is provided on the tool rest to ensure linearity of the sharpened edge on an elongated tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.