Rotatable tool assembly

Details Rotatable tool assembly Rotatable tool assembly

2006-02-07

2006-02-07

Kreck, John (Department: 3673)

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Wear shield or replaceable wear sleeve

C299S107000

Reexamination Certificate

active

06994404

ABSTRACT:
A tool assembly includes an axially symmetric tool having a tapered forward end, a radial flange, and a cylindrical shank. A retainer is fitted around the cylindrical shank, a washer is fitted around the retainer, and an O-ring is fitted over the retainer behind the washer to retain the washer thereon. When the rotatable shank is fitted into a cylindrical mounting bore of a tool holder, the O-ring prevents the washer from rotating with the tool.

REFERENCES:
patent: 4561698 (1985-12-01), Beebe
patent: 4818027 (1989-04-01), Simon
patent: 5098167 (1992-03-01), Latham
patent: 5931542 (1999-08-01), Britzke

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