Hole saw
US8753048B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 9, 2012 |
| Grant date | Jun 17, 2014 |
| Priority date | — |
| Expiry date | Aug 25, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/895
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hole saw that includes a saw body including a circular cutting edge having a cutting edge diameter, and the saw body is coupled to a guide member for rotation with the guide member. A pilot is coupled to the guide member for movement relative to the guide member and the saw body, and the pilot includes an outer guide surface having a diameter that increases in a direction from a second end portion of the guide member toward a first end portion of the guide member. The pilot is coupled to the guide member such that at least a portion of the outer guide surface extends past the circular cutting edge of the saw body in a direction from the first end portion of the guide member toward the second end portion of the guide member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.