Fixing tool for square frame
US4560153A · kind A · utility
6Cited by
3References
1Claims
0Family size
Inventor
Key dates
| Filing date | Apr 20, 1984 |
| Grant date | Dec 24, 1985 |
| Priority date | — |
| Expiry date | Apr 20, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B1/205
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a fixing tool for a square frame and, more particularly to one utilizing three molds and a base mold to support four corners of a square frame, with a rope or metal strip passing through the outer periphery of the molds and then clamping the rope or metal strip with a fixing piece, so that when the fixing piece is drawn by screwing a screw handle against the base mold, the corners of the square frame can be clamped by means of the molds and the base mold to thereby facilitate correctly positioned adhesion of the square frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.