Stepless transmission scroll sawing machine with saw blade fastening and micro-inch adjusting means and the related positioning device
US4949616A · kind A · utility
Inventor
Key dates
| Filing date | May 22, 1989 |
| Grant date | Aug 21, 1990 |
| Priority date | — |
| Expiry date | May 22, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/705
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention is related to a stepless transmission scroll sawing machine with saw blade fastening and micro-inch adjusting device and the related positioning device and, more particularly to a scroll sawing machine which includes a carbon brush motor controlled by means of a control circuit to drive an eccentric plate to carry the saw blade control arms to make an up-and-down reciprocating motion so as to perform sawing process, wherein a saw blade fastening and micro-inch adjusting device is set to fasten up the saw blade and to adjust the tension of the saw blade according to the material to be processed, and wherein a positioning device is mounted on the upper arm to press on the material to be processed to facilitate the performing of sawing process and to prevent the saw blade from breaking.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.