Revolving pilot tool

Details Revolving pilot tool Revolving pilot tool

1998-08-27

2000-03-07

Bishop, Steven C.

Cutting by use of rotating axially moving tool

Tool or tool with support

With work-engaging structure detachable from cutting edge

408 16, 408 81, 408 82, 408 83, 408225, B23B 5100

Patent

active

060331615

ABSTRACT:
The invention is a revolving pilot tool. The inventor's revolving pilot has a cylindrical shank which is attached to the tool usually in the center of the bottom of the tool. This shank has a threaded opening in its center. Over the shank is placed a cylindrical bearing. Over this bearing is placed another cylindrical piece that forms the outer surface of the pilot. To hold the bearing and the cylindrical piece upon the shank a screw and o-ring is usually used. This pilot is usually attached to the bottom of the tool to align the tool to an already drilled opening. However, it could be attached above a drill to align the tool to an opening being drilled. The pilot can also align the tool during line boring.

REFERENCES:
patent: 897041 (1908-08-01), Weller
patent: 2009168 (1935-07-01), Dettmer
patent: 3020786 (1962-02-01), De Graffenried et al.
patent: 3088202 (1963-05-01), Murray
patent: 5052864 (1991-10-01), Shaw et al.

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