Valve seat refitting apparatus

Details Valve seat refitting apparatus Valve seat refitting apparatus

1989-08-29

1990-06-05

Howell, Daniel

Cutting by use of rotating axially moving tool

Tool-support with means to permit positioning of the tool...

Tool having stepped cutting edges

408 82, 408181, 408191, 408192, 408196, 408201, 408225, B23B 5100

Patent

active

049309480

ABSTRACT:
A valve seat refitting apparatus. A cylindrical main body portion has a longitudinal bore which receives a centering guide. Longitudinal slots around the outer periphery of the main body portion receive cutting blades rigidly attached to cutting blade support. Radial and longitudinal positioning screws serve to position the supports and cutting blades to refit a variety of valve seats. Set screws lock the blade supports in the desired position. A bushing removably attached to the centering guide also allows the centering guide to be adapted to fit different size valve seats.

REFERENCES:
patent: 295466 (1884-03-01), Wallace
patent: 1713646 (1929-05-01), Deyo
patent: 2347403 (1944-04-01), Denzler
patent: 2358608 (1944-09-01), Farner
patent: 2362708 (1944-11-01), Markstrum
patent: 3088202 (1963-05-01), Murray
patent: 4090805 (1978-05-01), Grimsley
patent: 4735529 (1988-04-01), Short

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