Grinding machine
US4612731A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 20, 1984 |
| Grant date | Sep 23, 1986 |
| Priority date | — |
| Expiry date | Jun 20, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B3/54
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Apparatus for sharpening knives, scissors, and the like comprises a housing forming an enclosure having two oppositely disposed walls each provided with an opening, such openings being coaxially aligned. A motor is mounted on the outer side of one of these oppositely disposed walls, the motor having a shaft extending through the opening in the one wall into the enclosure. A second shaft extends through the opening in the other oppositely disposed wall. A grinding wheel is fastened to the end of the second shaft positioned outside the enclosure. Provision is made for connecting the motor shaft to the other end of the second shaft to rotatably drive the second shaft and to enable axial movement of the motor shaft and the second shaft with respect to each other. A pair of axially spaced radial flanges is mounted on the second shaft within the enclosure. A pair of axially spaced strip-shaped leaf springs cooperates with the radial flanges and is attached to the enclosure internally thereof, one of the leaf springs being in contact with one of the radial flanges when the grinding wheel is in its inoperative position. A cover is associated with the housing and is provided with a guide pa…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.