Valve seat ring installation tool

Details Valve seat ring installation tool Valve seat ring installation tool

1978-03-30

1979-12-11

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Frictionally engaging sides of opening in work

408196, 408201, B23C 120

Patent

active

041781155

ABSTRACT:
A tool for cutting or reaming a counterbore in a workpiece is guided by a pilot member secured in a bore. The tool includes a rotatable blade holder having a plurality of attached cutter blades. One of the cutter blades has a lateral cutting edge at a pre-selected radial distance from the rotational axis of the blade holder. The remaining cutter blades do not include lateral cutting edges. Consequently, the lateral or diametral dimension of the counterbore is defined by a single blade. This arrangement substantially prevents oversizing of the counterbore.

REFERENCES:
patent: 897041 (1908-08-01), Weller
patent: 2204855 (1940-06-01), Healy
patent: 3160066 (1964-12-01), Phillips
patent: 3816018 (1974-06-01), Hlocky

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