Tool holder structure

Gear cutting – milling – or planing – Milling – With cutter holder

Reexamination Certificate

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Details

C408S23900A, C279S103000

Reexamination Certificate

active

07341411

ABSTRACT:
A tool holder structure includes a holder installed on a connecting portion of a machine for holding a tool, the holder has a connecting cone for connecting the connecting portion, and a latching portion with an external diameter larger than the connecting cone disposed at the bottom of the connecting cone. The invention installs a ring between the latching portion and a surface of the connecting portion for pressing and connecting the connecting portion to define a tight engagement, so that the holder can be connected to a machine by the connecting cone as well as the ring. The invention can greatly enhance the stability for operations and the precision of manufacturing dimensions, and the invention can be used extensively for various different machines and holders of existing specifications while providing stable operations of the machines and extending the life of the machines.

REFERENCES:
patent: 4865336 (1989-09-01), Keritsis
patent: 5167478 (1992-12-01), Ramunas
patent: 5234296 (1993-08-01), Presby et al.
patent: 5352073 (1994-10-01), Kitaguchi et al.
patent: 5593258 (1997-01-01), Matsumoto et al.
patent: 6071219 (2000-06-01), Cook
patent: 6471453 (2002-10-01), Winebrenner et al.
patent: 6739810 (2004-05-01), Komine et al.
patent: 6905278 (2005-06-01), Kress et al.
ICTM standard—HSK Standard for turning mills (18 total pgs. including pp. 7-200.
Robert B. Aronson, Toolholder Primer, Manufacturing Engineering, May 1999, 3 pages.
Robert B. Aronson, Toolholder Primer, Manufacturing Engineering from LookSmart website May 1999, 3 pages.

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