Workman's tool for accessing cavities

Details Workman's tool for accessing cavities Workman's tool for accessing cavities

2005-05-17

2005-05-17

Howell, Daniel W. (Department: 3722)

Cutting by use of rotating axially moving tool

Tool or tool with support

Having axial, core-receiving central portion

C408S0010BD, C408S206000

Reexamination Certificate

active

06893194

ABSTRACT:
A tool assembly comprising a cylindrical hole saw having an annular cutting surface and at least one rebate blade positioned adjacent to the exterior sidewall of the hole saw having a cutting surface in a plane approximately parallel with the cutting surface of the hole saw and the rebate blade located a predetermined distance below the cutting surface of the cylindrical hole saw.

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