Hole saw
US11364559B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jun 18, 2020 |
| Grant date | Jun 21, 2022 |
| Priority date | — |
| Expiry date | Sep 4, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27B19/008
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hole saw includes a base member configured to secure the hole saw to a drive device and a plurality of blade members where each blade member is connected to and disposed orthogonally to the base member via a respective extender. Each blade member has cutting teeth extending in a respective cutting direction and distances between the cutting teeth and the base member vary along the respective cutting direction of the respective blade members. Each respective extender is configured cantilever support opposite, freestanding distal ends of the respective blade member where each distal end of each respective blade member is disconnected from the distal end of an adjacent blade member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.