Quick change mechanism for diamond arbor circular saw blades and other spinning disc devices
US4706386A · kind A · utility
41Cited by
2References
6Claims
0Family size
Inventor
Key dates
| Filing date | Aug 28, 1986 |
| Grant date | Nov 17, 1987 |
| Priority date | — |
| Expiry date | Aug 28, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/9379
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An embodiment of a quick change mechanism permits, without using hand tools, the very quick changing, in second, of circular saw blades and other spinning disc devices, which have diamond shaped arbor holes, in respect to the drive shafts of portable powered circular blade saws, and radial saws. No modification of most existing saws is required. At the location of the existing saw drive shaft, with its central threaded hole, the drive shaft bearing, and the saw body; this quick change mechanism is secured, using an installation bolt passing through it and into the central threaded hole of the existing saw drive shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.