Arbor for hole cutter and related method of use
US7073992B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2004 |
| Grant date | Jul 11, 2006 |
| Priority date | — |
| Expiry date | Jun 23, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/95
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An arbor is provided for a hole cutter having an outer surface defining a threaded hole, and a pair of pin holes spaced radially relative to the threaded hole. The arbor has an arbor body defining a threaded end portion threadedly engageable with the threaded hole of the hole cutter, a stop surface formed adjacent to the threaded end portion and spaced radially outwardly therefrom; a drive shank located on another end portion of the arbor body; and a pair of first bearing surfaces located on opposite sides of the arbor body relative to each other and extending axially along a portion of the arbor body between the stop surface and drive shank. A pin ring has an aperture formed therethrough for slidably receiving the arbor body; a pair of drive pins; a second bearing surface that is abuttingly engageable with the hole cutter with the pins received within the corresponding pin holes of the hole cutter; and a pair of third bearing surfaces that are engageable with the first bearing surfaces of the arbor body for preventing relative rotation of the pin support member and arbor body, and are movable axially over the stop surface of the arbor body and engageable with the major diameter of…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.