Apparatus for attaching power tool housing extensions
US5052496A · kind A · utility
38Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 1989 |
| Grant date | Oct 1, 1991 |
| Priority date | — |
| Expiry date | Oct 11, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7056
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An apparatus for rapid interchange of drive head units on a power tool motor unit is provided by forming a flared lip on the first of the two housings to be connected; capturing a coupling nut behind the flare with a split clamp ring; forming a bore on the second housing into which the flared lip and clamp ring of the first housing will fit; forming a positioning stop, within the bore, against which the flared lip of the first housing will be clamped; and providing a coupling device on the second housing to which the coupling nut of the first housing will be coupled to join the two housings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.