Boring reamer with end mill cutters

Details Boring reamer with end mill cutters Boring reamer with end mill cutters

1979-06-28

1981-06-23

Hinson, Harrison L.

Cutting by use of rotating axially moving tool

Tool or tool with support

Having peripherally spaced cutting edges

407 53, 407 61, 408221, 408224, B23B 5100, B26D 112

Patent

active

042747716

ABSTRACT:
A boring reamer with end mill cutters comprising a cutting edge portion, a straight shank and a taper shank. The cutting edge portion is formed at the forward edge of the straight shank, and has, at its forward end, end mill cutters each of which is formed with a chamfer angle portion and a relieving angle portion, and has a reamer, which is slightly larger in the diameter than the end mill cutters and provided with an ultra-left-hand twist right-hand helix angle, and which is formed into a saw-tooth like configuration having a land portion.

REFERENCES:
patent: 112115 (1871-02-01), Boyden
patent: 262885 (1882-08-01), Babcock
patent: 362934 (1887-05-01), Champion
patent: 1490069 (1924-04-01), Gammons
patent: 1490069 (1924-04-01), Gammons
patent: 1603739 (1926-10-01), Borgeson
patent: 2297611 (1942-09-01), Drummond
patent: 2377329 (1945-06-01), Dettmer
patent: 2479136 (1949-08-01), Schade
patent: 3863316 (1975-02-01), Yeo
patent: 3977807 (1976-08-01), Siddall

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