Flat wood bit adapter

Details Flat wood bit adapter Flat wood bit adapter

1979-08-13

1981-09-15

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

Tool or tool with support

With work-engaging structure detachable from cutting edge

145116R, 145129, 408 82, 408241R, B23B 5100

Patent

active

042894328

ABSTRACT:
An adapter for use with a commercially available flat wood bit which enables a previously bored hole formed in a work piece to be accurately and easily enlarged. The adapter includes spaced keepers which snugly receive the opposed flats of the bit therebetween, with the pilot bit being centered within a cavity formed within the adapter, so that the adapter is properly aligned respective to the wood bit and to the previously formed hole. The adapter includes a number of cylinders of various outside diameters which enables a single adapter body to be used in conjunction with a number of different size bits which are used to form a number of different diameter holes.

REFERENCES:
patent: 413316 (1889-10-01), Dobson
patent: 676669 (1901-06-01), Wack
patent: 4043698 (1977-08-01), Chelberg

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