Worm polishing method and device thereof
US11325218B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2018 |
| Grant date | May 10, 2022 |
| Priority date | — |
| Expiry date | Jul 19, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B21/18
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Loopback rolls which can transfer and guide a polishing tape (T) along a perimeter of a pressure contact roll (R) is provided, the pressure contact roll having a tapered peripheral edge having a top edge and a pair of slant edge faces formed on a periphery of the pressure contact roll, by which the polishing tape can be bent into a substantially V-shape in cross section, and a switchable pressure contact mechanism is switchably provided which pressure contacts each of bent portions of the polishing tape, which is bent into the substantially V-shape in cross section by the tapered peripheral edge, to one tooth face (B1) or the other tooth face of a worm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.