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
Patent
1993-02-19
1994-01-11
Howell, Daniel W.
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
408227, B23B 5100
Patent
active
052775259
ABSTRACT:
This invention concerns a pull boring cutter head assembly for machining long bores such as hydraulic cylinders and includes the use of support bearing blocks projecting from the cutter head to support the latter during cutting operations. The blocks are automatically radially adjustable under suitable biasing.
REFERENCES:
patent: 1954034 (1934-04-01), Arp
patent: 2189604 (1940-02-01), Healy
patent: 2661639 (1953-12-01), Clyde
patent: 3348434 (1967-10-01), Plummer
patent: 4571129 (1986-02-01), Straud
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